Eligibility criteria for study enrollment:
• Signed Informed Consent Form (ICF) by parent(s)/guardian(s) of subjects and informed assent form (IAF) for subjects ≥7 years, or as per local or country specific guidelines or regulations.
• Male or female subjects 2 to 17 years old at Visit 1.
• Documented medical history or physician-confirmed diagnosis of IgE-mediated CMA with systemic symptoms related to ingestion of milk or dairy products.
• Subjects currently following a strict cow's milk-free diet, with no consumption of dairy or baked milk products.
• Cow's milk-specific IgE level at screening ≥10 kU/L
• Positive Skin Prick Test (SPT) to cow's milk with a largest wheal diameter ≥6 mm.
• Positive DBPCFC at screening with an eliciting dose ≤300 mg cow's milk proteins (approximately ≤9.4 mL of cow's milk).
• Negative urine pregnancy test for female subjects of childbearing potential. Female subjects of childbearing potential must agree and commit to use effective medical methods of contraception for the entire duration of their participation in the study. Sexual abstinence will be accepted as an effective method of contraception for girls below 15 years of age.
• Ability to perform spirometry procedures in accordance with the American Thoracic Society guidelines (2005) for subjects ≥6 years old. Ability to perform peak expiratory flow (PEF) measurements for subjects ≥5 years old. Subjects <8 years of age who have documented inability to adequately perform spirometry can perform only the PEF evaluation. Subjects <5 years of age may be enrolled if they had no clinical features of moderate or severe persistent asthma severity (as defined by the 2007 National Heart, Lung, and Blood Institute [NHLBI] Guidelines) within 1 year before Visit 1.
• Subjects and/or parents/guardians willing to comply with all study requirements during participation in the study.
• History of severe anaphylaxis to cow's milk resulting in hypotension, hypoxia or neurological compromise (collapse, loss of consciousness or incontinence) or requiring mechanical ventilation.
• Pregnancy or lactation.
• Spirometry forced expiratory volume in 1 second (FEV1) <80% of the predicted value at Visit 1 for subjects ≥6 years and able to perform the spirometry, or PEF <80% of predicted value at Visit 1 for subjects performing only the PEF measurements.
• Any clinical features of moderate or severe persistent asthma severity (as defined by the 2007 NHLBI guidelines) and high daily doses of inhaled corticosteroids.
• Known allergy to the Viaskin patch materials or excipients, or to any of the components of the food challenge formulas other than the cow's milk proteins.
• Allergy or known history of reaction to Tegaderm® medical dressing with no possibility to use an alternative adhesive dressing authorized by the sponsor in replacement.
• Subjects having objective symptoms to the placebo formula leading to stopping the challenge during the screening DBPCFC.
• Severe reaction during the screening DBPCFC defined as need for intubation, and/or hypotension persisting after epinephrine administration, and/or the need for >2 doses of epinephrine.
• Symptomatic allergy to pollens with symptoms during the pollen season that might interfere with the symptoms observed during the DBPCFC, if the DBPCFC is performed during the pollen season. Screening of such subjects should be made out of the pollen season.
• Inability to discontinue short-acting antihistamines for 3 days or long-acting antihistamines for 5 to 7 days (depending on the half-life) before the DBPCFC.
• Use of systemic long-acting corticosteroids within 12 weeks before Visit 1 and/or use of systemic short-acting corticosteroids within 4 weeks before Visit 1 or use of systemic long-acting or short-acting corticosteroids during screening (unless used to treat symptoms triggered by the DBPCFC or triggered by accidental allergen consumption; in the latter case DBPCFC must then be scheduled after a minimum of 7 wash-out days).
• Subjects with asthma conditions meeting 1 or several criteria below:
• Uncontrolled persistent asthma (as defined by the 2007 NHLBI guidelines) or subject being treated with a combination therapy of medium or high daily dose of inhaled corticosteroid with a long acting inhaled β2-agonist. Intermittent asthmatic subjects who require intermittent use of inhaled corticosteroids for rescue are permitted.
• At least 2 systemic corticosteroid courses for asthma within 1 year before Visit 1 or 1 oral corticosteroid course for asthma within 3 months before Visit 1, or during screening (unless used to treat symptoms triggered by the DBPCFC).
• Prior intubation/mechanical ventilation due to asthma within 2 years before Visit 1, or during screening.
• Upper respiratory infection or gastroenteritis within 7 days of DBPCFC (DBPCFC must then be rescheduled at least 7 days after resolution of these conditions).
• Any history of milk immunotherapy (eg, oral immunotherapy, sublingual immunotherapy or specific oral tolerance induction).
• Prior history of any other food allergen immunotherapy (eg, oral immunotherapy, sublingual immunotherapy or specific oral tolerance induction) within 5 years before Visit 1.
• Subjects currently under aeroallergen immunotherapy and unwilling or unable to discontinue at the time of Visit 1. Aeroallergen Immunotherapy must be discontinued at the time of Visit 1.
• Use of any anti-IgE drug (eg, omalizumab), any immunomodulatory therapy, or any biological agent therapy (eg, anti-tumor necrosis factor drugs) within 1 year before Visit 1, or during screening.
• Generalized dermatologic diseases (eg, severe atopic dermatitis, uncontrolled generalized eczema, icthyosis vulgaris) with no intact zones to apply the Viaskin patch, or urticarial and mast cells disorders such as chronic idiopathic urticaria.
• Subject and/or subject's parents/guardians with obvious excessive anxiety and unlikely to cope with the conditions of a food challenge.
• Past or current disease, including but not limited to active eosinophilic gastrointestinal disorders, autoimmune disorders, immunodeficiency, malignancy, uncontrolled disease (hypertension, diabetes, psychiatric disorder, cardiac disease), or other disorders (eg, liver, gastrointestinal, kidney, cardiovascular, pulmonary disease or blood disorder) which in the opinion of the Investigator or the sponsor may affect the subject's participation in the study or place the subject at increased risk.
• Subjects and/or parents/guardians unable to use the epinephrine auto-injector properly in spite of being adequately trained.
• Contraindicated condition for the use of epinephrine.
• Use of any investigational drug or device, or participation in another interventional clinical study within 3 months before Visit 1.
• Subjects receiving beta-blockers or Angiotensin converting-enzyme (ACE) inhibitors.
• Subjects unable to follow the protocol requirements.

• Registered male or female primary Liver transplant candidate
• Age ≥18 years old
• Signed: 1) written informed consent document and 2) authorization to use and disclose protected health information
• Acute, fulminant liver failure
• Prior solid organ or bone marrow transplant
• Chronic use of hemodialysis or diagnosis of chronic renal failure, defined as chronic serum creatinine of >3 mg/dl for >2 weeks and/or requiring hemodialysis
• Multi-organ transplant
• Ventilator dependent
• Dependent on > 1 IV inotrope to maintain hemodynamics

• Histopathologically or cytologically confirmed diagnosis of gastric or gastroesophageal junction (GEJ) adenocarcinoma that is metastatic or locally advanced and unresectable.
• Measurable disease defined as lesions that can be accurately measured in at least one dimension (longest diameter to be recorded) as ≥ 10 mm with CT scan (or MRI at the discretion of the principal investigator (PI)), as ≥ 20 mm by chest x-ray, or ≥ 10 mm with calipers by clinical exam.
• Either primary or non-osseous metastatic site amenable for research biopsy for patients enrolled at Washington University, as confirmed by scheduling of biopsy procedure. Biopsy should be obtained at least 7 days prior to C1D1.
• Experienced documented objective radiographic or clinical disease progression during first-line therapy or within 4 months after the last dose of first-line therapy with any platinum/fluoropyrimidine doublet with or without anthracycline (epirubicin or doxorubicin) or taxane (docetaxel) for unresectable or metastatic disease. NOTE: This is not intended to be an exclusive list of allowed agents. The targeted therapies such as Herceptin and ADC, or immunotherapies without cytotoxic chemotherapy, are permitted.
• At least 18 years of age.
• Eastern Cooperative Oncology Group (ECOG) performance status ≤ 1
• Normal bone marrow and organ function as defined below:
• Absolute neutrophil count (ANC) ≥ 1,500/µL
• Hemoglobin ≥ 9.0 g/dL (5.58 mmol/L)
• Platelets ≥ 100,000/µL
• Total bilirubin ≤ 1.5 mg/dL (25.65 µmol/L)
• AST(SGOT)/ALT(SGPT) ≤ 3.0 x institutional upper limit of normal (IULN) (or ≤ 5.0 x IULN in the setting of liver metastases)
• Creatinine ≤ 1.5 x IULN OR creatinine clearance ≥ 40 mL/min/1.73 m2 for patients with creatinine levels > 1.5 x IULN (that is, if serum creatinine is > 1.5 x IULN, a 24-hour urine collection to calculate creatinine clearance must be performed)
• Urinary protein ≤ 1+ on dipstick or routine urinalysis (UA); if dipstick or routine UA is ≥ 2+, a 24-hour urine collection for protein must demonstrate < 1000 mg of protein in 24 hours
• Adequate coagulation function as defined by INR ≤ 1.5 and PTT ≤ 5 seconds above the ULN (unless receiving anticoagulation therapy). Patients receiving warfarin must be switched to low molecular weight heparin and have achieved stable coagulation profile prior to first dose of protocol therapy.
• All clinically significant toxic effects (except peripheral neuropathy) of prior locoregional therapy, surgery, or other anticancer therapy have resolved to ≤ Common Terminology Criteria for Adverse Events (CTCAE) grade 1.
• Women of childbearing potential and men must agree to use adequate contraception (hormonal or barrier method of birth control, abstinence) prior to study entry and for the duration of study participation. Should a woman become pregnant or suspect she is pregnant while participating in this study, she must inform her treating physician immediately. Women of childbearing potential must have a negative serum pregnancy test within 7 days of study entry.
• Ability to understand and willingness to sign an IRB approved written informed consent document (or that of legally authorized representative, if applicable).
• Squamous cell or undifferentiated gastric cancer.
• Received any chemotherapy (including irinotecan) other than platinum and fluoropyrimidine with or without anthracycline or taxane for advanced gastric or GEJ adenocarcinoma.
• Received previous systemic chemotherapy with a cumulative dose of > 900 mg/m^2 of epirubicin or > 400 mg/m^2 of doxorubicin.
• Received any previously systemic therapy (including investigational agents) targeting VEGF or the VEGFR signaling pathways. Other previous targeted therapies are permitted if stopped at least 28 days prior to start of treatment.
• A history of other malignancy ≤ 3 years previous with the exception of basal cell or squamous cell carcinoma of the skin which were treated with local resection only or carcinoma in situ of the cervix or other solid tumors treated curatively and without evidence of recurrence.
• Currently receiving any other investigational agents.
• History or evidence of known brain metastases or carcinomatous meningitis. Patients with known brain metastases must be excluded from this clinical trial because of their poor prognosis and because they often develop progressive neurologic dysfunction that would confound the evaluation of neurologic and other adverse events.
• A history of allergic reactions attributed to compounds of similar chemical or biologic composition to monoclonal antibody treatment, any components used in the ramucirumab DP preparation, irinotecan, or other agents used in the study.
• Any grade 3-4 GI bleeding within 3 months prior to enrollment.
• History of gastrointestinal perforation and/or fistulae within 6 months prior to enrollment.
• History of deep vein thrombosis, pulmonary embolism, or any other significant thromboembolism (venous port of catheter thrombosis or superficial venous thrombosis are not considered "significant") during the 3 months prior to enrollment.
• History of any arterial thromboembolic event, including but not limited to myocardial infarction, transient ischemic attack, cerebrovascular accident, or unstable angina within 6 months prior to enrollment.
• Diagnosis of symptomatic congestive heart failure (NYHA II-IV) or symptomatic or poorly controlled cardiac arrhythmia.
• Uncontrolled or poorly controlled hypertension (> 160 mmHg systolic or > 100 mmHg diastolic for > 4 weeks) despite standard medical management.
• Presence of serious or nonhealing wound, ulcer, or bone fracture within 28 days prior to enrollment.
• Major surgery within 28 days prior to first dose of protocol therapy.
• Minor surgery/subcutaneous venous access device placement within 7 days prior to first dose of protocol therapy.
• Receiving chronic antiplatelet therapy, including aspirin, nonsteroidal anti-inflammatory drugs (NSAIDs, including ibuprofen, naproxen, and others), dipyridamole or clopidogrel, or similar agents. Once-daily aspirin use (maximum dose 325 mg/day) is permitted.
• The patient has elective or planned major surgery to be performed during the course of the clinical trial.
• Bowel obstruction, history or presence of inflammatory enteropathy or extensive intestinal resection (hemicolectomy or extensive small intestine resection with chronic diarrhea), Crohn's disease, ulcerative colitis, or chronic diarrhea.
• Cirrhosis at a level of Child-Pugh B (or worse) or cirrhosis (any degree) and a history of hepatic encephalopathy or clinically meaningful ascites resulting from cirrhosis (i.e. ascites from cirrhosis requiring diuretics or paracentesis). Patients with ascites not related to cirrhosis, such as malignant ascites, are allowed.
• Uncontrolled intercurrent illness including, but not limited to, ongoing or active infection, metabolic disorders or other nonmalignant organ or systemic disease or secondary effects of cancer that induce a high medical risk and make assessment of survival uncertain, or psychiatric illness/social situations that would limit compliance with study requirements.
• Pregnant and/or breastfeeding.
• Known HIV-positivity on combination antiretroviral therapy because of the potential for pharmacokinetic interactions with ramucirumab and irinotecan. In addition, these patients are at increased risk of lethal infections when treated with marrow-suppressive therapy. Appropriate studies will be undertaken in patients receiving combination antiretroviral therapy when indicated.

• Patient must have a histologically confirmed diagnosis hepatocellular carcinoma; known fibrolamellar HCC, sarcomatoid HCC or mixed cholangiocarcinoma and HCC will be excluded
• Locally advanced or metastatic disease
• Patients with locally advanced or metastatic disease must have disease deemed not amenable to surgical and/or locoregional therapies or patients who have progressed following surgical and/or locoregional therapies.
• Measurable disease, as defined as lesions that can accurately be measured in at least one dimension according to RECIST version 1.1 at least 1 cm with contrast enhanced dynamic imaging (magnetic resonance imaging or computed tomography).
• Child-Pugh Score A
• Age ≥ 18 years
• ECOG Performance score of 0-1
• Life expectancy greater than 6 months
• Following baseline laboratory values: 1. Total bilirubin ≤ 2.0 mg/ml 2. INR ≤ 1.7 3. Hgb ≥ 8.5 g/dl 4. AST, ALT ≤5 times ULN 5. Platelet count ≥ 50,000/mm3 6. Serum creatinine ≤ 1.5 mg/dL or creatinine clearance ≥ 50 mL/min 7. Albumin ≥ 2.5 g/dl 8. Absolute neutrophil ≥ 1,500 cells/mm3
• Male and female subjects of child bearing potential must agree to use an adequate method of contraception for the course of the study through 120 days after the last dose of study medication
• Women of childbearing potential must have a negative pregnancy test within 72 hours prior to receiving the first dose of study medication
• Subjects are eligible to enroll if they have non-viral-HCC, or if they have HBV-HCC, or HCV-HCC defined as follows: HBV-HCC: Controlled (treated) hepatitis B subjects will be allowed if they meet the following criteria: Antiviral therapy for HBV must be given for at least 12 weeks and HBV viral load must be less than 100 IU/mL prior to first dose of study drug. Subjects on active HBV therapy with viral loads under 100 IU/ml should stay on the same therapy throughout study treatment. Subjects who are anti-HBc (+), negative for HBsAg, negative for anti-HBs, and have an HBV viral load under 100 IU/mL do not require HBV anti-viral prophylaxis. HCV-HCC: active or resolved HCV infection as evidenced by detectable HCV RNA or antibody. Patients who have failed HCV therapy as evidenced by detectable HCV RNA will be eligible. Subjects with chronic infection by HCV who are treated (successfully or treatment failure) or untreated are allowed on study. In addition, subjects with successful HCV treatment are allowed as long as there are ≥4 weeks between completion of HCV therapy and start of study drug. Successful HCV treatment definition: SVR12.
•Prior therapy is allowed provided the following are met: at least 4 weeks since prior locoregional therapy including surgical resection, chemoembolization, radiotherapy, or ablation. Provided target lesion has increased in size by 25% or more or the target lesion was not treated with locoregional therapy. Patients treated with palliative radiotherapy for symptoms will be eligible 1 week after treatment as long as the target lesion is not the treated lesion.
• Prior liver transplant;
• Patient who has received previous systemic therapy for HCC;
• Clinically significant, uncontrolled heart disease and/or recent events including any of the following:
• History of acute coronary syndromes (including myocardial infarction, unstable angina, coronary artery bypass grafting, coronary angioplasty, or stenting) or symptomatic pericarditis within 12 months prior to screening;
• History of documented congestive heart failure (New York Heart Association functional classification III-IV);
• Documented cardiomyopathy;
• Patient has a left ventricular ejection fraction <40% as determined by MUGA scan or ECHO (MUGA and ECHO are not required prior to enrollment);
• Known human immunodeficiency virus (HIV) positive (testing not required);
• History of thromboembolic events (including both pulmonary embolism and deep venous thrombus but not including tumor thrombus) within the last 6 months;
• Hypersensitivity to IV contrast; not suitable for pre-medication;
• Active or fungal infections requiring systemic treatment within 7 days prior to screening;
• Known history of, or any evidence of, interstitial lung disease or active non-infectious pneumonitis;
• Evidence of poorly controlled hypertension which is defined as systolic blood pressure >150 mmHg or diastolic pressure >90 mmHg despite optimal medical management;
• Pre-existing thyroid abnormality with thyroid function that cannot be maintained in the normal range with medication;
• Active, known, or suspected autoimmune disease with the following exceptions i) Subjects with vitiligo, type I diabetes mellitus, resolved childhood asthma or atopy are permitted to enroll; ii) Subjects with suspected autoimmune thyroid disorders may be enrolled if they are currently euthyroid or with residual hypothyroidism requiring only hormone replacement. iii) Subjects with psoriasis requiring systemic therapy must be excluded from enrollment
• Patient has any other concurrent severe and/or uncontrolled medical condition that would, in the investigator's judgment, cause unacceptable safety risks, contraindicate patient participation in the study or compromise compliance with the protocol (e.g. chronic pancreatitis, active untreated or uncontrolled fungal, bacterial, or viral infections, etc.);
• Patient has any other concurrent severe and/or uncontrolled medical condition that would, in the investigator's judgment, cause unacceptable safety risks, contraindicate patient participation in the study or compromise compliance with the protocol (e.g. chronic pancreatitis, active untreated or uncontrolled fungal, bacterial, or viral infections, etc.);
• Known history of active bacillus tuberculosis;
• Subjects with a condition requiring systemic treatment with either corticosteroids (> 10 mg/day prednisone equivalent) or other immunosuppressive medications within 14 days of study administration. Inhaled or topical steroids and adrenal replacement doses >10 mg/day prednisone equivalents are permitted in the absence of autoimmune disease;
• Patient who has received radiotherapy ≤ 4 weeks prior to study entry. Palliative radiotherapy for symptomatic control is acceptable (if completed at least 2 weeks prior to study drug administration and no additional radiotherapy for the same lesion is planned);
• Patient has had major surgery within 14 days prior to starting study drug or has not recovered from major side effects (tumor biopsy is not considered as major surgery);
• Clinically apparent ascites on physical examination, ascites present on imaging studies is allowed;
• Patient has a known hypersensitivity to any of the excipients of bavituximab or pembrolizumab or monoclonal antibody;
• Active gastrointestinal bleeding within previous 2 months;
• History of any condition requiring anti-platelet therapy (aspirin >300 mg/day, clopidogrel >75 mg/day);
• Prisoners or subjects who are involuntarily incarcerated;
• Symptomatic or clinically active brain metastases;
• Pregnant or nursing (lactating) women, where pregnancy is defined as the state of a female after contraception and until the termination of gestation, confirmed by a positive hCG laboratory test;
• Prior immunotherapy including anti-PD-1, anti-PD-L1, or anti-PD-L2 agents;
• Has dual active HBV infection (HBsAg (+) and /or detectable HBV DNA) and HCV infection (anti-HCV Ab(+) and detectable HCV RNA) at study entry.

• Histologically confirmed diagnosis of a locally advanced (not amenable to curative therapy such as surgical resection) metastatic cancer of the following histologies: melanoma (MEL), Merkel cell carcinoma (MCC), triple-negative breast cancer (TNBC), renal cell carcinoma (RCC), colorectal cancer, head and neck squamous cell carcinoma (HNSCC), or sarcoma.
• Life expectancy > 12 weeks as determined by the Investigator.
• Eastern Cooperative Oncology Group (ECOG) performance status 0 or 1.
• Measurable disease per RECIST 1.1.
• Patients enrolled in Cohorts 1-8, Cohort A, Cohort B and Phase 2 Doublet must be refractory to all therapies known to confer clinical benefit to their disease.
• Fresh tumor tissue available for cellular characterization and programmed cell death protein 1 (PD-L1) status.
• Injected lesions (up to two) must be between 20 mm and 90 mm in diameter for IT injection; lesions must be accessible for baseline and on-treatment biopsies. Any liver lesion targeted for injection must not exceed 50 mm at the time of injection.
• Demonstrated adequate organ function within 14 days of Cycle 1 Day 1 (C1D1).
• Use of an investigational agent or an investigational device within 21 days before administration of first dose of study drug(s).
• Patients treated with prior interleukin-2 (IL-2).
• Patients who have been previously treated with a toll-like receptor (TLR) agonist (excluding topical agents) and patients who have received experimental cancer vaccines.
• Patients who have received systemic interferon (IFN)α within the previous 6 months prior to enrollment to the study.
• Other active malignancy, except non-melanomic skin cancer
• Evidence of clinically significant interstitial lung disease or active, noninfectious pneumonitis.
• Prior surgery or radiotherapy within 14 days of initiating study drug(s). Patients must have recovered from all radiation-related toxicities, not required corticosteroids and have not had radiation pneumonitis.
• Prolonged Fridericia's corrected QT interval (QTcF) > 450 ms for men and > 470 ms for women at Screening. History of unstable or deteriorating cardiac disease within the previous 6 months prior to screening including but not limited to the following:
• Unstable angina or myocardial infarction.
• Congestive heart failure (NYHA Class III or IV).
• Uncontrolled clinically significant arrhythmias.
• Patients with a history of any retinal disorders (e.g., retinal detachment, diabetic retinopathy, retinal hemorrhage, macular degeneration).
• Uveal melanoma will be excluded
• Patients with tumor that invade the superior vena cava or other major blood vessels. Additional inclusion and exclusion criteria for specific tumor types will apply.

For more information regarding Bristol Myers Squibb Clinical Trial participation, please visit www.BMSStudyConnect.com
• Participants with a first diagnosis of HCC who have undergone a curative resection or ablation
• Participants are eligible to enroll if they have non-viral related-HCC, or if they have HBV-HCC, or HCV-HCC
• Child-Pugh Score 5 or 6
• Eastern Cooperative Oncology Group (ECOG) performance status (PS) 0 or 1
• Known fibrolamellar HCC, sarcomatoid HCC, or mixed cholangiocarcinoma and HCC
• Any evidence of tumor metastasis or co-existing malignant disease
• Participants previously receiving any prior therapy for HCC, including loco-regional therapies
• Participants who have undergone a liver transplant or those who are in the waiting list for liver transplantation Other protocol defined inclusion/exclusion criteria could apply

Key For Phase 1
• Patients with a locally advanced or metastatic solid tumor who:
• have progressed on or are intolerant to standard therapy, or
• no standard therapy exists, or in the opinion of the Investigator, are not candidates for or would be unlikely to tolerate or derive significant clinical benefit from standard therapy, or
• decline standard therapy
• Prior MKIs with anti-RET activity are allowed.
• A RET gene alteration is not required initially. Once adequate PK exposure is achieved, evidence of RET gene alteration in tumor and/or blood is required as identified through molecular assays, as performed for clinical evaluation.
• Measurable or non-measurable disease as determined by RECIST 1.1 or RANO as appropriate to tumor type.
• Eastern Cooperative Oncology Group (ECOG) score of 0, 1, or 2 or Lansky Performance Score (LPS) ≥ 40% (age < 16 years) with no sudden deterioration 2 weeks prior to the first dose of study treatment.
• Adequate hematologic, hepatic and renal function.
• Life expectancy of at least 3 months. For Phase 2 As for phase 1 with the following modifications:
• For Cohorts 1 and 3 Subjects must have received prior standard therapy appropriate for their tumor type and stage of disease, or in the opinion of the Investigator, would be unlikely to tolerate or derive clinical benefit from appropriate standard of care therapy.
• Cohorts 1-4: enrollment will be restricted to patients with evidence of a RET gene alteration in tumor. However, a positive germline DNA test for a RET gene mutation is acceptable in the absence of tumor tissue testing for patients with MTC.
• Cohorts 1-4: at least one measurable lesion as defined by RECIST 1.1 or RANO, as appropriate to tumor type and not previously irradiated.
• Cohort 4: radiographic PD within the previous 14 months. Note: Patients otherwise eligible for cohort 4 who do not demonstrate radiographic PD within the previous 14 months may be enrolled to cohort 5 if a compelling rationale is provided by the investigator and approved by the Sponsor.
• Cohort 5: (up to 150 patients):
• Cohorts 1-4 without measurable disease;
• MTC not meeting the requirements for Cohorts 3 or 4; (a known RET mutation is not required)
• MTC syndrome spectrum cancers (e.g., MTC, pheochromocytoma), cancers with neuroendocrine features/differentiation, or poorly differentiated thyroid cancers with other RET alteration/activation may be allowed with prior Sponsor approval;
• cfDNA positive for a RET gene alteration not known to be present in a tumor sample.
• Cohort 6: Patients who otherwise are eligible for Cohorts 1-5 who discontinued another RET inhibitor due to intolerance may be eligible with prior Sponsor approval. Key Exclusion Criteria (Phase 1 and Phase 2):
• Phase 2 Cohorts 1-4: an additional known oncogenic driver.
• Cohorts 1-5: prior treatment with a selective RET inhibitor Notes: Patients otherwise eligible for Cohorts 1-5 who discontinued another selective RET inhibitor may be eligible for Phase 2 Cohort 6 with prior Sponsor approval. Notes: Patients otherwise eligible for Cohorts 1-5 who discontinued another selective RET inhibitor may be eligible for Phase 2 Cohort 6 with prior Sponsor approval. Notes: Patients otherwise eligible for Cohorts 1-5 who discontinued another selective RET inhibitor may be eligible for Phase 2 Cohort 6 with prior Sponsor approval.
•Investigational agent or anticancer therapy (including chemotherapy, biologic therapy, immunotherapy, anticancer Chinese medicine or other anticancer herbal remedy) within 5 half-lives or 2 weeks (whichever is shorter) prior to planned start of LOXO-292. In addition, no concurrent investigational anti-cancer therapy is permitted. Note: Potential exception for this exclusion criterion will require a valid scientific justification and approval from the Sponsor.
• Major surgery (excluding placement of vascular access) within 4 weeks prior to planned start of LOXO-292.
• Radiotherapy with a limited field of radiation for palliation within 1 week of planned start of LOXO-292, with the exception of patients receiving radiation to more than 30% of the bone marrow or with a wide field of radiation, which must be completed at least 4 weeks prior to the first dose of study treatment.
• Any unresolved toxicities from prior therapy greater than CTCAE Grade 1 at the time of starting study treatment with the exception of alopecia and Grade 2, prior platinum-therapy related neuropathy.
• Symptomatic primary CNS tumor, metastases, leptomeningeal carcinomatosis, or untreated spinal cord compression. Patients are eligible if neurological symptoms and CNS imaging are stable and steroid dose is stable for 14 days prior to the first dose of LOXO-292 and no CNS surgery or radiation has been performed for 28 days, 14 days if stereotactic radiosurgery [SRS].
• Clinically significant active cardiovascular disease or history of myocardial infarction within 6 months prior to planned start of LOXO-292 or prolongation of the QT interval corrected (QTcF) > 470 msec.
• Required treatment with certain strong CYP3A4 inhibitors or inducers and certain prohibited concomitant medications.

• Patients must have a histopathologically confirmed diagnosis of an aggressive B-cell non-Hodgkin lymphoma that is recurrent or refractory to standard therapy
• For the purpose of this study, aggressive B-cell NHL will be deemed any lymphoma belonging to one of the following groups according to the 2016 revision of the World Health Organization (WHO) classification of lymphoid neoplasms
• For the purposes of stratification, diagnoses are grouped into 2 categories:
• Category A
• Burkitt lymphoma
• Burkitt-like lymphoma with 11q aberration
• High-grade B-cell lymphoma, with MYC and BCL2 and/or BCL6 rearrangements
• High-grade B-cell lymphoma, not otherwise specified (NOS)
• Category B
• Diffuse large B-cell lymphoma (DLBCL), NOS
• Diffuse large B-cell lymphoma (DLBCL), NOS; germinal center B-cell type
• Diffuse large B-cell lymphoma (DLBCL), NOS; activated B-cell type
• Large B-cell lymphoma with IRF4 rearrangement
• T-cell/histiocyte-rich large B-cell lymphoma
• Primary DLBCL of the central nervous system (CNS)
• Primary cutaneous DLBCL, leg type
• Epstein-Barr virus (EBV)+ DLBCL, NOS
• EBV+ mucocutaneous ulcer
• DLBCL associated with chronic inflammation
• Lymphomatoid granulomatosis
• Primary mediastinal (thymic) large B-cell lymphoma
• Intravascular large B-cell lymphoma
• ALK+ large B-cell lymphoma
• Plasmablastic lymphoma
• Primary effusion lymphoma
• Human herpesvirus (HHV)-8+ DLBCL, NOS
• B-cell lymphoma, unclassifiable, with features intermediate between DLBCL and classical Hodgkin lymphoma
• Patients must have measurable disease, defined as at least one lesion that is > 15 mm (1.5 cm) in the longest axis on cross-sectional imaging and measurable in two perpendicular dimensions per computed tomography (spiral computed tomography [CT]), positron emission tomography (PET)-CT or magnetic resonance imaging (MRI)
• Patients must have disease that has relapsed after or is refractory to at least 2 lines of standard therapy; the remaining standard treatment options are unlikely to be effective in the opinion of the treating physician, or patient is felt to be ineligible for such therapies or the patient refuses such therapies; patients who have undergone autologous stem cell transplant are eligible as long as they meet all other criteria
• Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1
• Life expectancy of greater than 12 weeks
• White blood cell (WBC) >= 2000/mm^3 (within 14 days of registration)
• Absolute neutrophil count (ANC) >= 1500/mm^3 (within 14 days of registration)
• Platelet count >= 100,000/mm^3 (within 14 days of registration)
• Hemoglobin > 9.0 g/dL (within 14 days of registration)
• Total bilirubin =< 1.5 x upper limit of normal (ULN) (except patients with Gilbert Syndrome, who can have total bilirubin < 3.0 mg/dL) (within 14 days of registration)
• Aspartate transaminase (aspartate aminotransferase [AST]) =< 2.5 x ULN (within 14 days of registration)
• Calculated creatinine clearance (CrCl) >= 50 mL/min (if using the Cockcroft-Gault formula) (within 14 days of registration)
• Females of child bearing potential must have a negative serum or urine pregnancy test (minimum sensitivity 25 IU/L or equivalent units of human chorionic gonadotropin [HCG])
• Ability to understand and the willingness to sign a written informed consent document
• Patient has received chemotherapy, targeted agent, or radiotherapy within 4 weeks or at least 5 half-lives, whichever is longer, prior to registration
• Palliative (limited-field) radiation therapy is permitted, if all of the following criteria are met:
• Repeat imaging demonstrates no new sites of bone metastases
• The lesion being considered for palliative radiation is not a target lesion
• Patient has received immunotherapy (including monoclonal antibodies) within 4 weeks prior to registration
• Patients who have not recovered to grade 1 or less from any adverse events due to agents administered more than 4 weeks earlier (excluding alopecia)
• Patients who are receiving any other investigational agents
• Patients should be excluded if they have had prior treatment with an anti-PD-1, anti-PD-L1, anti-PD-L2, anti-CTLA-4 antibody, or any other antibody or drug specifically targeting T-cell co-stimulation or immune checkpoint pathways
• Patients who have received autologous stem cell transplant (ASCT) =< 12 weeks prior to the first dose of study drug
• Patients with a prior history of allogeneic stem cell or solid organ transplantation
• Patients with evidence of active disease in the central nervous system (CNS) defined as either the presence of active lesions on MRI obtained within 4 weeks of registration or progressive neurological decline
• Patients with primary CNS lymphoma who develop systemic recurrence following standard therapy may be included as long as no active CNS disease is present at the time or enrollment; similarly, patients with secondary involvement of the CNS from a systemic lymphoma may be included as long as the CNS disease has been optimally treated and they demonstrate no evidence of active CNS disease
• History of allergic reactions attributed to compounds of similar chemical or biologic composition to CDX-1127 (varlilumab) and/or nivolumab
• History of severe hypersensitivity reaction to any monoclonal antibody
• Uncontrolled intercurrent illness including, but not limited to, ongoing or active infection, symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia, or psychiatric illness/social situations that would limit compliance with study requirements
• Pregnant women are excluded from this study because CDX-1127 (varlilumab) and nivolumab are agents with the potential for teratogenic or abortifacient effects; because there is an unknown but potential risk for adverse events in nursing infants secondary to treatment of the mother with CDX-1127 (varlilumab) or nivolumab, breastfeeding should be discontinued if the mother is treated with CDX-1127 (varlilumab) or nivolumab
• Patients with human immunodeficiency virus (HIV) are eligible for the study provided they meet the other protocol criteria in addition to the following:
• Undetectable HIV load by standard polymerase chain reaction (PCR) clinical assay within 60 days prior to registration
• Absolute CD4 count of >= 200 mm^3 within 60 days prior to registration
• Willing to maintain adherence to combination antiretroviral therapy
• No history of acquired immunodeficiency syndrome (AIDS) defining condition (other than lymphoma or CD4 cell count < 200 mm^3)
• Likely to have near normal lifespan if not for the presence of relapsed/refractory lymphoma
• Patients with evidence of hepatitis B virus (HBV) are eligible provided there is minimal hepatic injury and the patient has undetectable HBV on suppressive HBV therapy; patient must be willing to maintain adherence to HBV therapy
• Patients with previously treated and eradicated hepatitis C virus (HCV) who have minimal hepatic injury are eligible
• Patients with active autoimmune disease or history of autoimmune disease that might recur, which may affect vital organ function or require immune suppressive treatment including systemic corticosteroids, should be excluded; these include but are not limited to patients with a history of immune related neurologic disease, multiple sclerosis, autoimmune (demyelinating) neuropathy, Guillain-Barre syndrome, myasthenia gravis; systemic autoimmune disease such as systemic lupus erythematosus (SLE), connective tissue diseases, scleroderma, inflammatory bowel disease (IBD), Crohn's, ulcerative colitis, hepatitis; and patients with a history of toxic epidermal necrolysis (TEN), Stevens-Johnson syndrome, or phospholipid syndrome should be excluded because of the risk of recurrence or exacerbation of disease; patients with vitiligo, endocrine deficiencies including thyroiditis managed with replacement hormones including physiologic corticosteroids are eligible; patients with rheumatoid arthritis and other arthropathies, Sjogren's syndrome and psoriasis controlled with topical medication and patients with positive serology, such as antinuclear antibodies (ANA), anti-thyroid antibodies should be evaluated for the presence of target organ involvement and potential need for systemic treatment but should otherwise be eligible
• Patients are permitted to enroll if they have vitiligo, type I diabetes mellitus, residual hypothyroidism due to autoimmune condition only requiring hormone replacement, psoriasis not requiring systemic treatment, or conditions not expected to recur in the absence of an external trigger (precipitating event)
• Patients should be excluded if they have a condition requiring systemic treatment with either corticosteroids (> 10 mg daily prednisone equivalents) or other immunosuppressive medications within 14 days of study drug administration; inhaled or topical steroids and adrenal replacement doses =< 10 mg daily prednisone equivalents are permitted in the absence of active autoimmune disease; patients are permitted to use topical, ocular, intra-articular, intranasal, and inhalational corticosteroids (with minimal systemic absorption); physiologic replacement doses of systemic corticosteroids are permitted, even if =< 10 mg/day prednisone equivalents; a brief course of corticosteroids for prophylaxis (e.g., contrast dye allergy) or for treatment of non-autoimmune conditions (e.g., delayed-type hypersensitivity reaction caused by contact allergen) is permitted
• Patients who have had evidence of active or acute diverticulitis, intra-abdominal abscess, gastrointestinal (GI) obstruction and abdominal carcinomatosis which are known risk factors for bowel perforation should be evaluated for the potential need for additional treatment before coming on study
• Patients with other active malignancy =< 3 years prior to registration for which active treatment is required must be excluded; patients with composite lymphomas that have a non-B-cell component must be excluded EXCEPTIONS: Non-melanotic skin cancer or carcinoma-in-situ of the cervix

• STEP 1: Patients must have histologically confirmed T1N1-3M0 or T2-3N0-2M0 esophageal or gastroesophageal junctional adenocarcinoma (Siewert I and II)
• STEP 1: Patients must have an Eastern Cooperative Oncology Group (ECOG) performance status 0-1
• STEP 1: Patents must be deemed a surgical candidate by a thoracic surgeon, surgical oncologist, or surgeon who is qualified to perform an esophagectomy
• STEP 1: Absolute neutrophil count >= 1,500/mcL (within less than or equal to 14 days prior to randomization)
• STEP 1: Platelets >= 100,000/mcL (within less than or equal to 14 days prior to randomization)
• STEP 1: Total bilirubin =< institutional upper limit of normal (ULN) (within less than or equal to 14 days prior to randomization)
• STEP 1: Aspartate aminotransferase (AST) (serum glutamic-oxaloacetic transaminase [SGOT])/alanine aminotransferase (ALT) (serum glutamate pyruvate transaminase [SGPT]) =< 2.5 x institutional ULN (within less than or equal to 14 days prior to randomization)
• STEP 1: Serum creatinine =< 1.5 x institutional ULN (within less than or equal to 14 days prior to randomization)
• STEP 1: Hemoglobin (Hgb) >= 9 g/dL (within less than or equal to 14 days prior to randomization)
• STEP 1: Leukocytes >= 3,000/mm^3 (within less than or equal to 14 days prior to randomization)
• STEP 1: Patients may not have received prior chemotherapy or radiation therapy for management for this malignancy
• STEP 1: Patients may not have received prior immunotherapy for management of this malignancy or for any other past malignancy
• STEP 1: Patients must have no contraindication to receiving either carboplatin or paclitaxel chemotherapy
• STEP 1: Patients must have no contraindication to receiving radiation therapy
• STEP 1: Patients with active autoimmune disease or history of autoimmune disease that might recur, which may affect vital organ function or require immune suppressive treatment including systemic corticosteroids, should be excluded. These include but are not limited to patients with a history of immune related neurologic disease, multiple sclerosis, autoimmune (demyelinating) neuropathy, Guillain-Barre syndrome, myasthenia gravis; systemic autoimmune disease such as systemic lupus erythematosus (SLE), connective tissue disease, scleroderma, inflammatory bowel disease (IBD), Crohn's, ulcerative colitis, hepatitis; and patients with a history of toxic epidermal necrolysis (TEN), Stevens-Johnson syndrome, or phospholipid syndrome should be excluded because of the risk of recurrence or exacerbation of disease. Patients with vitiligo, endocrine deficiencies including thyroiditis managed with replacement hormones including physiologic corticosteroids are eligible. Patients with rheumatoid arthritis and other arthropathies, Sjogren's syndrome and psoriasis controlled with topical medication and patients with positive serology, such as antinuclear antibodies (ANA), anti-thyroid antibodies should be evaluated for the presence of target organ involvement and potential need for systemic treatment but should otherwise be eligible
• STEP 1: Patients are permitted to enroll if they have vitiligo, type I diabetes mellitus, residual hypothyroidism due to autoimmune condition only requiring hormone replacement, psoriasis not requiring systemic treatment, or conditions not expected to recur in the absence of an external trigger (precipitating event)
• STEP 1: Patients must not have a condition requiring systemic treatment with either corticosteroids (> 10 mg/day prednisone equivalents) or other immunosuppressive medications with 14 days of study drug administration. Inhaled or topical steroids and adrenal replacement doses >10 mg/day prednisone equivalents are permitted in the absence of active autoimmune disease
• STEP 1: Adequate cardiac function including electrocardiogram (EKG) and echocardiogram for any patient with a history of congestive heart failure (CHF) or at risk because of underlying cardiovascular disease or exposure to cardiotoxic drugs
• STEP 1: For patients with evidence of CHF, myocardial infarction (MI), cardiomyopathy, or myositis, cardiac evaluation including lab tests and cardiology consultations including EKG, creatine phosphokinase (CPK), troponin, and echocardiogram
• STEP 1: Patients must not have a positive test result for hepatitis B virus surface antigen (HBV sAg) or hepatitis C virus ribonucleic acid (HCV RNA) indicating acute or chronic infection. Testing should be conducted to determine eligibility
• STEP 1: Patients with a known history of testing positive for human immunodeficiency virus (HIV) or known acquired immunodeficiency syndrome (AIDS) must have no detectable viral load on a stable anti-viral regimen
• STEP 1: Patients must not be receiving any other investigational agents
• STEP 1: Patients with an uncontrolled intercurrent illness such as ongoing or active infection, symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia or psychiatric illness/social situations that would limit compliance with study requirements will be excluded
• STEP 1: Women must not be pregnant or breast-feeding due to potential harm to the fetus from carboplatin, paclitaxel, or nivolumab. All females of childbearing potential must have a blood test or urine study done within 2 weeks prior to registration to rule out pregnancy. Those enrolled on Arm B with nivolumab must agree to have a pregnancy test (minimum sensitivity 25 IU/L or equivalent units of human chorionic gonadotropin [HCG]) within 24 hours of starting nivolumab to rule out pregnancy. A female of childbearing potential is any woman, regardless of sexual orientation or whether they have undergone tubal ligation, who meets the following criteria: 1) has not undergone a hysterectomy or bilateral oophorectomy; or 2) has not been naturally postmenopausal for at least 24 consecutive months (i.e., has had menses at any time in the preceding 24 consecutive months)
• STEP 1: Women of childbearing potential (WOCBP) and sexually active males must either abstain from sexual intercourse for the duration of their participation in the study or agree to use both double barrier contraception and birth control pills or implants for at least one month (female patients) or one week (male patients) prior to the start of the study drug and continuing for 5 months after the last dose of study drug (for female patients) and for 7 months after the last dose of study drug (for male patients who are sexually active with WOCBP). Investigators shall counsel WOCBP and male subjects who are sexually active with WOCBP on the importance of pregnancy prevention and the implications of an unexpected pregnancy
• STEP 1: If patient says 'Yes' to "I choose to take part in the imaging study and will have the diffusion weighted magnetic resonance imaging (MRI) scans": patients must be able to tolerate MRI scans:
• No history of untreatable claustrophobia
• No magnetic resonance (MR) incompatible implants/devices or metallic foreign bodies
• Weight compatible with limits imposed by the MRI scanner table
• STEP 2: Patient registration must not exceed 12 weeks from time of esophagectomy
• STEP 2: Patients must have a post-operative ECOG performance status of 0-2
• STEP 2: Absolute neutrophil count >= 1,500/mcL (within less than or equal to 14 days prior to randomization)
• STEP 2: Platelets >= 100,000/mcL (within less than or equal to 14 days prior to randomization)
• STEP 2: Total bilirubin =< institutional upper limit of normal (ULN) (within less than or equal to 14 days prior to randomization)
• STEP 2: AST (SGOT)/ ALT (SGPT) =< 2.5 x institutional ULN (within less than or equal to 14 days prior to randomization)
• STEP 2: Serum creatinine =< 1.5 x institutional ULN (within less than or equal to 14 days prior to randomization)
• STEP 2: Patients must be disease free following esophagectomy as is demonstrated by having no evidence of disease on a post-surgical computed tomography (CT) scan
• STEP 2: Patients must not have an active, known or suspected autoimmune disease or a condition requiring treatment with steroids or immunosuppressive agents. Patients are permitted to enroll if they have vitiligo, type I diabetes mellitus, residual hypothyroidism due to autoimmune condition only requiring hormone replacement, psoriasis not requiring systemic treatment, or conditions not expected to recur in the absence of an external trigger
• STEP 2: Patients must not have a condition requiring systemic treatment with either corticosteroids (> 10 mg/day prednisone equivalents) or other immunosuppressive medications with 14 days of study drug administration. Inhaled or topical steroids and adrenal replacement doses > 10 mg/day prednisone equivalents are permitted in the absence of active autoimmune disease
• STEP 2: Patients must not be receiving any other investigational agents
• STEP 2: Patients with an uncontrolled intercurrent illness such as ongoing or active infection, symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia or psychiatric illness/social situations that would limit compliance with study requirements will be excluded
• STEP 2: Women must not be pregnant or breast-feeding due to potential harm to the fetus from nivolumab or ipilimumab. All females of childbearing potential must have a blood test or urine study done (minimum sensitivity 25 IU/L or equivalent units of HCG) within 2 weeks prior to registration to rule out pregnancy. All patients must also agree to have a pregnancy test (minimum sensitivity 25 IU/L or equivalent units of HCG) within 24 hours of starting nivolumab to rule out pregnancy. Those enrolled on Arm D with ipilimumab must agree to have pregnancy tests within 72 hours of each ipilimumab administration to rule out pregnancy
• STEP 2: Women of childbearing potential (WOCBP) and sexually active males must either abstain from sexual intercourse for the duration of their participation in the study or agree to use both double barrier contraception and birth control pills or implants for at least one month (female patients) or one week (male patients) prior to the start of the study drug and continuing for 5 months after the last dose of study drug (for female patients) and for 7 months after the last dose of study drug (for male patients who are sexually active with WOCBP). Investigators shall counsel WOCBP and male subjects who are sexually active with WOCBP on the importance of pregnancy prevention and the implications of an unexpected pregnancy

1. Signed informed consent. 2. Participants of either gender greater than or equal to (>=) 18 years and less than or equal to (<=) 75 years of age. 3. Participants with CD diagnosed at least 6 months prior to Screening visit in accordance with accepted clinical, endoscopic, histological and/or radiological criteria. 4. Presence of complex perianal fistula(s) with a maximum of 2 internal openings and a maximum of 3 external openings based on clinical assessment; a central reading of a locally performed contrast enhanced (gadolinium) pelvic MRI will be performed to confirm location of the fistula and potential associated perianal abscess(es). Fistula(s) must have been draining for at least 6 weeks prior to Screening visit. Actively draining simple subcutaneous fistula(s), at the time of Screening visit, are not allowed in this study. A complex perianal fistula is defined as a fistula that meets one or more of the following criteria :
• High inter-sphincteric, high trans-sphincteric, extra-sphincteric or suprasphincteric.
• Presence of >=2 external openings.
• Associated perianal abscess(es). Note: Abscesses that are larger than 2 cm at least 2 dimensions on MRI must be confirmed to have been drained adequately by the surgeon during the preparation curettage in order to be eligible. 5. Clinically controlled, nonactive or mildly active CD, during the last six months prior to Screening visit with:
• A patient reported outcomes (PRO-2) score <14 at Screening, AND
• A colonoscopy documenting the absence of ulcers larger than 0.5 cm in the colonic mucosa:
•If colonoscopy data are not available within 6 months prior to Screening:
• A simple endoscopic score for Crohn's Disease (SES-CD) <=6 with absence of rectal ulcers larger than 0.5 cm must be documented in a colonoscopy performed at Screening before randomization.
•If colonoscopy data are available within 6 months prior to Screening, the following must be documented, otherwise a new colonoscopy (as above) will be mandatory:
• The absence of ulcers larger than 0.5 cm in the colonic mucosa AND
• the improvement or no worsening in abdominal pain and/or in the diarrhea, sustained for one week or more, since the last colonoscopy was performed in the clinical records until Screening visit. AND o No hemoglobin decrease >=2.0 gram per deciliter (g/dL) or an unexplained rising C-reactive protein (CRP), > 5.0 milligram per liter (mg/L) to a concentration above the referenced upper limit of normal (ULN) (unless the rise is due to a known process other than luminal Crohn's Disease), since the last colonoscopy was performed as compared to results during the Screening visit. AND o no initiation or intensification of treatment with corticosteroids, immunosuppressants or monoclonal antibodies (mAbs) dose regimen since the last endoscopy up to Screening visit. 6. Participants whose perianal fistulas were previously treated and have shown an inadequate response or a loss of response while they were receiving either an immunosuppressive agent or tumour necrosis factor (TNF)-alpha antagonist or vedolizumab or ustekinumab, or having documented intolerance to any of these treatments administered at least at approved or recommended doses during the minimum period mentioned:
• Immunosuppressive agents: at least 3 months treatment with azathioprine (2-3 milligram per kilogram per day [mg/kg/day]), 6-mercaptopurine (1-1.5 mg/kg/day), or subcutaneous/intramuscular methotrexate (25 mg/week) prior to Screening for the study.
• TNFalpha antagonists:
• Infliximab: at least 14 weeks treatment at the approved doses for induction and/or maintenance in Crohn´s disease prior to screening for the study. For induction: 1 intravenous dose of 5 milligram per kilogram (mg/kg) followed by the same dose 2 and 6 weeks after. For maintenance: 5-10 mg/kg intravenously every 8 weeks, or more frequently.
• Adalimumab: at least 14 weeks treatment at the approved doses for induction and/or maintenance in Crohn's disease prior to screening for the study. For induction: 1 subcutaneous dose of 160 milligram (mg), followed by 80 mg 2 weeks after. For maintenance: 40 mg subcutaneously every other week, or weekly.
• Certolizumab l: at least 14 weeks treatment at the approved doses for induction and/or maintenance in Crohn´s disease prior to screening for the study. For induction: 1 subcutaneous dose of 400 mg, followed by the same dose 2 and 4 weeks after. For maintenance: 400 mg subcutaneously every 2 to 4 weeks.
• Anti-integrin: at least 14 weeks treatment of the approved dose for induction and/or maintenance in Crohn´s disease prior to screening for the study. For induction: Vedolizumab 300 mg. For maintenance: Vedolizumab 300 mg every 4 to 8 weeks.
• Anti-interleukin (IL)-12/23: at least 16 weeks treatment of the approved dose in Crohn´s disease prior to screening for the study. For induction: Ustekinumab, approximately 6mg/kg intravenously initially then followed by 90 mg subcutaneously every 8 weeks. 7. Women of childbearing potential (WCBP) must have negative serum pregnancy test at screening (sensitive to 25 international units [IU] human chorionic gonadotropin [hCG]). Both WCBP or male participants participating in this study, with a WCBP as partner, must agree to use an adequate method of contraception during the entire duration of the study. An adequate method of contraception is defined as complete, non-periodic sexual abstinence (refraining from heterosexual intercourse), single-barrier method, vasectomy, adequate hormonal contraception (to have started at least 7 days prior to Screening visit), or an intra-uterine device (to have been in place for at least 2 months prior to Screening visit). 1. Concomitant rectovaginal or rectovesical fistula(s). 2. Participant naïve to prior specific medical treatment for complex perianal fistula(s) including immunosuppressant (IS) or anti-TNFs. 3. Presence of a perianal collection >2 cm in at least two dimensions on the central reading MRI at Screening visit that was not adequately drained as confirmed by the surgeon during the preparation procedure (week -3 to day 0). 4. Severe rectal and/or anal stenosis and/or severe proctitis (defined as the presence of large >0.5 cm ulcers in the rectum) that make impossible to follow the surgery procedure manual. 5. Participant with diverting stomas. 6. Active, uncontrolled infection requiring parenteral antibiotics. 7. Participant with ongoing systemic or rectal steroids for CD in the last 2 weeks prior to the Preparation visit. 8. Participants with major alteration on any of the following laboratory tests or increased risk for the surgical procedure:
• Serum creatinine levels >1.5 times the ULN
• Total bilirubin >1.5 ULN
• Aspartate Transaminase (AST)/ Alanine Transaminase (ALT) >3 times ULN
• Hemoglobin <10.0 g/dL
• Platelets <75.0*10^9/L
• Albuminemia <3.0 g/dL 9. Suspected or documented infectious enterocolitis within two weeks prior to Screening visit. 10. Any prior invasive malignancy diagnosed within the last 5 years prior to Screening visit. Participants with basal-cell carcinoma of the skin completely resected outside the perineal region can be included. 11. Current or recent (within 6 months prior to the Screening visit) history of severe, progressive, and/or uncontrolled hepatic, haematological, gastrointestinal (GI) (other than CD), renal, endocrine, pulmonary, cardiac, neurological or psychiatric disease that may result in participants increased risk from study participation and/or lack of compliance with study procedures. 12. Participants with primary sclerosing cholangitis. 13. Participants with known chronically active hepatopathy of any origin, including cirrhosis and participants with persistent positive Hepatitis B Virus (HBV) surface antigen (HBsAg) and quantitative HBV polymerase chain reaction (PCR), or positive serology for Hepatitis C Virus (HCV) and quantitative HCV PCR within 6 months prior to Screening. 14. Congenital or acquired immunodeficiencies, including participants known to be HIV carriers 15. Known allergies or hypersensitivity to penicillin or aminoglycosides; Dulbecco Modified Eagle's Medium (DMEM); bovine serum; local anaesthetics or gadolinium (MRI contrast). 16. Contraindication to MRI scan (example, due to the presence of pacemakers, hip replacements or severe claustrophobia). 17. Severe trauma within 6 months prior to Screening visit. 18. Pregnant or breastfeeding women. 19. Participants who do not wish to or cannot comply with study procedures. 20. Participants currently receiving, or having received any investigational drug within 3 months prior to Screening visit. 21. Participants previously treated with Cx601 or other allogeneic stem-cell therapy cannot be enrolled into this clinical study. 22. Any major surgery of the GI tract (including one or more segments of the colon or terminal ileum) within 6 months prior the screening or any minor surgery of the GI tract within 3 months prior to screening. 23. Participants who had local perianal surgery other than drainage for the fistula within 6 months prior to the Screening visit, or those who may need surgery in the perianal region for reasons other than fistulas at the time of inclusion in the study. 24. Contraindication to the anaesthetic procedure.

• Pathologically-confirmed, localized or metastatic adenocarcinoma of the pancreas. Diagnostic biopsy must be obtained at the study institution prior to enrollment. Pathology material must be available for review.
• Patient must have measurable disease per RECIST criteria
• Started most recent systemic therapy regimen within 15 days of enrollment (any line of therapy is allowed).
• Ability to tolerate, swallow and absorb oral medications.
• Ability to understand and the willingness to sign a written informed consent.
• Age > 18 years
• Negative blood pregnancy test within seven days of study entry for WOCBP
• A female of child-bearing potential is any woman (regardless of sexual orientation, having undergone a tubal ligation, or remaining celibate by choice) who meets the following criteria:
• Has not undergone a hysterectomy or bilateral oophorectomy; or
• Has not been naturally postmenopausal for at least 12 consecutive months (i.e., has had menses at any time in the preceding 12 consecutive months).
• Active radiation therapy, or planned radiation therapy during study period
• Subjects may not be receiving any other investigational agents.
• Pregnant, nursing or women of childbearing potential and men who are sexually active and not willing/able to use medically acceptable forms of contraception; this exclusion is necessary because the treatment involved in this study may be potentially teratogenic.
• Underlying condition which may increase the risk of complications from warfarin therapy. These can include: Known major bleeding diathesis:
• Coagulopathy
• Significant GI bleed within 6 months,
• Clinically significant hematuria or hemoptysis,
• Thrombolytic therapy within one month of study entry,
• Active peptic ulcer disease with bleeding.
•Significant infection or other coexistent medical condition that would preclude protocol therapy including, but not limited to, ongoing or active infection, symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia, or psychiatric illness/social situations that would limit compliance with study requirements

• A female subject is eligible to participate if she is not pregnant (negative serum pregnancy test at screening; female subjects with elevated serum beta human chorionic gonadotropin (βhCG) and a demonstrated non-pregnant status through additional testing are eligible) and at least 1 of the following conditions applies:
• Not a woman of childbearing potential (WOCBP)
• WOCBP who agrees to follow the contraceptive guidance throughout the treatment period and for 6 months after the final study treatment administration
• Female subject must agree not to breastfeed starting at screening and throughout the study period, and for 6 months after the final study treatment administration.
• Female subject must not donate ova starting at screening and throughout the study period, and for 6 months after the final study treatment administration.
• A male subject with female partner(s) of childbearing potential:
• must agree to use contraception during the treatment period and for 6 months after the final study treatment administration.
• A male subject must not donate sperm during the treatment period and for 6 months after the final study treatment administration.
• Male subject with a pregnant or breastfeeding partner(s) must agree to remain abstinent or use a condom for the duration of the pregnancy or time partner is breastfeeding throughout the study period and for 6 months after the final study treatment administration.
• Subject has histologically confirmed diagnosis of Gastric or GEJ adenocarcinoma.
• Subject has radiologically confirmed locally advanced unresectable or metastatic disease within 28 days prior to randomization.
• Subject has radiologically evaluable disease (measurable and/or non-measurable disease according to RECIST 1.1), per local assessment, ≤ 28 days prior to randomization. For subjects with only 1 evaluable lesion and prior radiotherapy ≤ 3 months before randomization, the lesion must either be outside the field of prior radiotherapy or have documented progression following radiation therapy.
• Subject's tumor expresses CLDN18.2 in ≥ 75% of tumor cells demonstrating moderate to strong membranous staining as determined by central IHC testing.
• Subject has a HER2-negative tumor as determined by local or central testing on a gastric or GEJ tumor specimen.
• Subject has ECOG performance status 0 or 1.
• Subject has predicted life expectancy ≥ 12 weeks.
• Subject must meet all of the following criteria based on the centrally or locally analyzed laboratory tests collected within 14 days prior to randomization. In case of multiple central laboratory data within this period, the most recent data should be used to determine eligibility.
• Hemoglobin (Hb) ≥ 9 g/dl. Subjects requiring transfusions are eligible if they have a post-transfusion Hgb ≥ 9 g/dL.
• Absolute Neutrophil Count (ANC) ≥ 1.5x10^9/L
• Platelets ≥ 100x10^9/L
• Albumin ≥ 2.5 g/dL
• Total Bilirubin ≤ 1.5 x upper limit of normal (ULN) without liver metastases (or < 3.0 x ULN if liver metastases are present)
• Aspartate aminotransferase (AST) and alanine aminotransferase (ALT) ≤ 2.5 x ULN without liver metastases (or ≤ 5 x ULN if liver metastases are present)
• Estimated creatinine clearance ≥ 30 mL/min
• Prothrombin time/international normalized ratio (PT/INR) and partial thromboplastin time (PTT) ≤ 1.5 x ULN (except for subjects receiving anticoagulation therapy)
• Subject has received prior systemic chemotherapy for locally advanced unresectable or metastatic gastric or GEJ adenocarcinoma. However, subject may have received either neo-adjuvant or adjuvant chemotherapy as long as it was completed at least 6 months prior to randomization.
• Subject has received radiotherapy for locally advanced unresectable or metastatic gastric or GEJ adenocarcinoma ≤ 14 days prior to randomization and has not recovered from any related toxicity.
• Subject has received treatment with herbal medications or other treatments that have known antitumor activity within 28 days prior to randomization.
• Subject has received systemic immunosuppressive therapy, including systemic corticosteroids within 14 days prior to randomization. Subjects using a physiologic replacement dose of hydrocortisone or its equivalent (defined as up to 30 mg per day of hydrocortisone or up to 10 mg per day of prednisone), receiving a single dose of systemic corticosteroids or receiving systemic corticosteroids as premedication for radiologic imaging contrast use are allowed.
• Subject has received other investigational agents or devices within 28 days prior to randomization.
• Subject has prior severe allergic reaction or intolerance to known ingredients of zolbetuximab or other monoclonal antibodies, including humanized or chimeric antibodies.
• Subject has known immediate or delayed hypersensitivity, intolerance or contraindication to any component of study treatment.
• Subject has prior severe allergic reaction or intolerance to any component of CAPOX.
• Subject has known dihydropyrimidine dehydrogenase (DPD) deficiency.
• Subject has a complete gastric outlet syndrome or a partial gastric outlet syndrome with persistent/recurrent vomiting.
• Subject has significant gastric bleeding and/or untreated gastric ulcers that exclude the subject from participation.
• Subject has a known history of a positive test for human immunodeficiency virus (HIV) infection or known active hepatitis B (positive hepatitis B surface antigen (HBs Ag)) or C infection. NOTE: Screening for these infections should be conducted per local requirements.
• For subjects who are negative for HBs Ag, but hepatitis B core antibody (HBc Ab) positive, an HB deoxyribonucleic acid (DNA) test will be performed and if positive, the subject will be excluded.
• Subjects with positive hepatitis C virus (HCV) serology, but negative HCV ribonucleic acid (RNA) test are eligible.
• Subjects treated for HCV with undetectable viral load results are eligible.
• Subject has an active autoimmune disease that has required systemic treatment within the past 3 months prior to randomization.
• Subject has active infection requiring systemic therapy that has not completely resolved within 7 days prior to randomization.
• Subject has significant cardiovascular disease, including any of the following:
• Congestive heart failure (defined as New York Heart Association Class III or IV), myocardial infarction, unstable angina, coronary angioplasty, stenting, coronary artery bypass graft, cerebrovascular accident (CVA) or hypertensive crisis within 6 months prior to randomization.
• History of clinically significant ventricular arrhythmias (i.e., sustained ventricular tachycardia, ventricular fibrillation or Torsades de Pointes
• QTc interval > 450 msec for male subjects; QTc interval > 470 msec for female subjects
• History or family history of congenital long QT syndrome
• Cardiac arrhythmias requiring anti-arrhythmic medications (Subject with rate controlled atrial fibrillation for > 1 month prior to randomization are eligible).
• Subject has a history of central nervous system (CNS) metastases and/or carcinomatous meningitis from gastric/GEJ cancer..
• Subject has known peripheral sensory neuropathy > grade 1 unless the absence of deep tendon reflexes is the sole neurological abnormality.
• Subject has had a major surgical procedure ≤ 28 days prior to randomization.
• Subject is without complete recovery from a major surgical procedure ≤ 14 days prior to randomization.
• Subject has psychiatric illness or social situations that would preclude study compliance.
• Subject has another malignancy for which treatment is required.
• Subject has any concurrent disease, infection, or co-morbid condition that interferes with the ability of the subject to participate in the study, which places the subject at undue risk or complicates the interpretation of data.

• Diagnosis of Crohn's Disease (CD) or ulcerative colitis (UC) or Indeterminate colitis (IC)
• Age 7-18 years
• Enrolled in the ImproveCareNow (ICN2) registry
• Evidence of acute inflammation and/or elevated acute phase reactant as measured by Fecal calprotectin 1.5 times the upper limit of normal, Lactoferrin 1.5 times the upper limit of normal, CRP 1.15 times the upper limit of normal, or ESR 1.15 times the upper limit of normal (based on local reference ranges) obtained within 8 weeks of enrollment.
• Potential participants who are close to meeting one of the acute inflammation and/or elevated acute phase reactant markers and who meet all other study criteria will be considered for study participation on a case by case basis by the investigative study team in consultation with the patient's primary gastroenterologist. Complex and Unstable IBD:
• Currently or within the past 9 months has had an intra-abdominal abscess, fistula, stricturing CD, or ostomy
• Severe disease activity as measured by a short Pediatric Crohn's Disease Activity Index (SPCDAI) score of >45 or Pediatric Ulcerative Colitis Activity Index (PUCAI) score of >60 assessed within three weeks of enrollment
• Ever had history of full colectomy
• Hospitalization or surgery planned within 3 months
• Ongoing active gastrointestinal infection
• Severe Malnutrition (BMI less than 5th percentile)
• Recent medication changes including:
• Thiopurines, natalizumab, or methotrexate started within 8 weeks prior to enrollment
• Anti TNF (infliximab, adalimumab) started within 8 weeks prior to enrollment
• Vedolizumab started within 16 weeks prior to enrollment
• Increase in corticosteroids within 4 weeks of screening or have dose >20 mg prednisone or equivalent Evidence of Other Complicating Medical Issues:
• Other serious medical conditions, such as neurological, liver, kidney, or systemic disease
• Serious psychological or psychiatric conditions such as eating disorders or self-harm
• Pregnancy
• Tobacco, alcohol, or illicit drug abuse Inability to Complete the Protocol
• Non-English speaking participants
• On SCD or modified SCD anytime within 8 weeks of enrollment
• If an otherwise eligible patient is on SCD or modified SCD within 8 weeks of enrollment but they are noncompliant per the determination of the patient's dietitian/primary gastroenterologist, then this patient is eligible to participant in the study.
• Participants on a vegan diet
• Lack of smart phone and data plan for participating caregiver
• Participating in another concurrent intervention study

1. Signed and dated written informed consent prior to admission to the study; 2. Histologically or cytologically confirmed metastatic or locally advanced adenocarcinoma of the pancreas; 3. At least one measurable disease lesion according to Response Evaluation Criteria In Solid Tumors (RECIST, version 1.1); 4. Age ≥ 18 years; 5. No more than one prior line of non-gemcitabine/nab-paclitaxel containing systemic therapy for metastatic/locally advanced pancreatic cancer; 6. Eastern Cooperative Oncology Group (ECOG) Performance Score of 0-1; 7. Women of childbearing potential must have a negative pregnancy test (urine or serum) within 14 days prior to registration; (Note: contraception in patients with reproductive capacity will be considered to be of childbearing potential unless surgically sterilized by hysterectomy or bilateral tubal ligation/salpingectomy, or post-menopausal for at least two years.) 8. Adequate biological parameters at baseline (obtained within 14 days prior to registration). 9. If elevated liver function tests develop at the time of initial presentation or develop during workup and are the result of mechanical obstruction of the biliary drainage by tumor compression or invasion, a biliary drain may be placed. If drainage allows the liver function tests to come within inclusion criteria, the patient may be enrolled. 1. More than one systemic therapy regimen of any type for metastatic or locally advanced disease. Adjuvant gemcitabine that ended more than 6 months from diagnosis of recurrent disease is not considered as a regimen; 2. Prior treatment with nintedanib or any other VEGFR inhibitor; 3. Known hypersensitivity to nintedanib, gemcitabine and nab-Paclitaxal peanut or soya or any other trial drug, their excipients or to contrast media; 4. Chemo-, hormon-, radio-(except for brain and extremities) or immunotherapy or therapy with monoclonal antibodies or small tyrosine kinase inhibitors within the past 4 weeks prior to treatment with the trial drug; 5. Radiotherapy to the target lesion within the past 3 months prior to baseline imaging 6. Persistence of clinically relevant therapy related toxicity from previous chemo and/or radiotherapy; 7. Active brain metastases (e.g. stable for <4 weeks, no adequate previous treatment with radiotherapy, symptomatic, requiring treatment with anti-convulsants; dexamethasone therapy will be allowed if administered as stable dose for at least one month before randomization); 8. Leptomeningeal disease; 9. Radiographic evidence of cavitary or necrotic tumors; 10. Treatment with other investigational drugs or treatment in another clinical trial within the past 4 weeks before start of therapy or concomitantly with the trial; 11. Therapeutic anticoagulation with drugs requiring INR monitoring (except low-dose heparin and/or heparin flush as needed for maintenance of an in-dwelling intravenous devise) or anti-platelet therapy (except for low-dose therapy with acetylsalicylic acid < 325mg per day); 12. Major injuries and/or surgery within the past 4 weeks prior to start of study treatment with incomplete wound healing and/or planned surgery during the on-treatment study period; 13. History of clinically significant hemorrhagic or thromboembolic event in the past 6 months; 14. Known inherited predisposition to bleeding or thrombosis; 15. Significant cardiovascular diseases ( i.e. uncontrolled hypertension, unstable angina, history of infarction within the past 12 months prior to start of study treatment, congestive heart failure > NYHA II, serious cardiac arrhythmia, pericardial effusion); 16. Proteinuria CTCAE grade 2 or greater; 17. Creatinine > 1.5 x ULN or GFR < 45 mL/min; 18. Hepatic function: total bilirubin outside of normal limits; ALT or AST > 1.5 ULN in pts without liver metastasis. For Pts with liver metastasis: total bilirubin outside of normal limits, ALT or AST > 2.5 ULN; 19. Coagulation parameters: International Normalized Ratio (INR) > 2, prothrombin time (PT) and partial thromboplastin time (PTT) > 50% of deviation of institutional ULN; 20. Absolute neutrophil count (ANC) < 1500/mL, platelets < 100,000/mL, Hemoglobin < 9.0 g/dl; 21. Any known active cancer other than pancreatic primary; 22. Active serious infections in particular if requiring systemic antibiotic or antimicrobial therapy; 23. Active or chronic hepatitis C and/or B infection; 24. Gastrointestinal disorders or abnormalities that would interfere with absorption of the study drug; 25. Serious illness or concomitant non-oncological disease such as neurologic, psychiatric, infectious disease or active ulcers (gastro-intestinal tract, skin) or laboratory abnormality that may increase the risk associated with study participation or study drug administration and in the judgment of the investigator would make the patient inappropriate for entry into the study; 26. Pregnancy or breast feeding female; 27. Psychological, familial, sociological or geographical factors potentially hampering compliance with the study protocol and follow-up schedule; 28. Active alcohol or drug abuse; 29. Significant weight loss (> 20% of BW) within past 6 months prior to inclusion into the trial or actual body weight of less than 50 kg; 30. Patients who are sexually active and unwilling to use a medically acceptable method of contraception (e.g. such as implants, injectable, combined oral contraceptives, some intrauterine devices, sexual abstinence or vasectomized partner for participating females, condoms for participating males) during the trial and for at least three months after end of active therapy.

1. Has a diagnosis of UC established at least 1 month prior to Screening by clinical and endoscopic evidence and corroborated by a histopathology report. 2. Has moderately to severely active UC as determined by a complete Mayo score of 6 to 12 with an endoscopic subscore ≥2 within 28 days prior to enrollment. 3. Has evidence of UC proximal to the rectum (≥15 cm of involved colon) prior to start of vedolizumab IV dosing. 4. Has been determined to be suitable for vedolizumab IV for routine management of UC by their physician. 5. Has a family history of colorectal cancer, personal history of increased colorectal cancer risk, age >50 years, or other known risk factor must be up-to-date on colorectal cancer surveillance (may be performed during screening). 6. Has demonstrated an inadequate response with, lost response to, or intolerance of at least 1 of the following agents: immunomodulators, corticosteroids, or tumor necrosis factor-alpha (TNF-α) antagonists. Subject who are naive to TNF-α antagonist therapy or who have previously failed TNF-α antagonist therapy (including primary and secondary non-responders or intolerant) may be included. Week 6 Randomized Treatment Period Inclusion Criteria 7. Following Lead-in Period, the subject is assessed as having high vedolizumab drug clearance based on a predefined Week 5 serum vedolizumab concentration threshold (<50 microg/mL). 8. Following Lead-in Period, the subject is a non-responder based on partial Mayo score at Week 6. 1. Has clinical evidence of abdominal abscess or toxic megacolon at the Screening Visit. 2. Has had an extensive colonic resection, subtotal or total colectomy. 3. Has had ileostomy, colostomy, or known fixed symptomatic stenosis of the intestine. 4. Has a diagnosis of Crohn's colitis or indeterminate colitis, ischemic colitis, radiation colitis, diverticular disease associated with colitis, or microscopic colitis. 5. Has received any of the following for the treatment of underlying disease within 30 days of screening: 1. Non-biologic therapies (eg. cyclosporine, tacrolimus, thalidomide) 2. An approved non-biologic therapy in an investigational protocol. 6. Has received any investigational or approved biologic or biosimilar agent within 60 days or 5 half-lives prior to screening (whichever is longer). 7. Has previously had prior exposure to approved or investigational anti-integrin antibodies (e.g. natalizumab, efalizumab, etrolizumab, AMG-181, anti-MAdCAM-1 antibodies or rituximab). 8. Has previously received approved or investigational vedolizumab. 9. The subject currently requires or is anticipated to require surgical intervention for UC during the study. 10. Has history or evidence of adenomatous colonic polyps that have not been removed, or colonic mucosal dysplasia. 11. Has any evidence of an active infection during Screening (eg, sepsis, cytomegalovirus, or listeriosis). 12. Has a clinically significant infection (eg, pneumonia, pyelonephritis) within 30 days prior to screening, or ongoing chronic infection. 13. Has evidence of active C. difficile as evidenced by positive C. difficile toxin or is having treatment for C. difficile infection or other intestinal pathogens during Screening. 14. Has a known history of infection with human immunodeficiency virus (HIV), hepatitis B (HBV), or chronic HBV (HBV immune subjects (ie, being hepatitis B surface antigen [HBsAg] negative and hepatitis B antibody positive) may, however, be included), or hepatitis C virus (HCV) infection. Subjects with documented successful treatment of HCV with sustained virological response (SVR) at 26 weeks can be enrolled. 15. Has active or latent tuberculosis (TB), as evidenced by the following: a. A diagnostic TB test performed within 30 days of screening or during the Screening Period that is positive, defined as: i. Positive QuantiFERON test or 2 successive indeterminate QuantiFERON tests, OR ii. A TB skin test reaction ≥ 5 mm OR, b. Chest X-ray within 3 months of screening that is suspicious for pulmonary TB, and a positive or 2 successive indeterminate QuantiFERON tests within 30 days prior to Screening or during the Screening Period. 16. Has any identified congenital or acquired immunodeficiency (eg, common variable immunodeficiency, HIV infection, organ transplantation). 17. Has any live vaccination within 30 days prior to Screening or is planning to receive any live vaccination during participation in the study. 18. Has used a topical (rectal) treatment with (5-ASA) or corticosteroid enemas/suppositories within 2 weeks prior to Screening. 19. Has a history of hypersensitivity or allergies to vedolizumab IV or its components. 20. Has received total parenteral nutrition (TPN) or albumin in the last 30 days prior to screening. 21. Has any unstable or uncontrolled cardiovascular disorder, heart failure moderate to severe (New York Class Association III or IV), any pulmonary, hepatic, renal, GI, genitourinary, hematological, coagulation, immunological, endocrine/metabolic, or other medical disorder that, in the opinion of the investigator, would confound the study results or compromise subject safety. 22. Has had a surgical procedure requiring general anesthesia within 30 days prior to screening or is planning to undergo major surgery during the study period. 23. Has a history of malignancy, except for the following: adequately-treated non-metastatic basal cell skin cancer; squamous cell skin cancer that has been adequately treated and that has not recurred for at least 1 year prior to Screening; and history of cervical carcinoma in situ that has been adequately treated and that has not recurred for at least 3 years prior to screening. Subjects with remote history of malignancy (eg, >10 years since completion of curative therapy without recurrence) will be considered based on the nature of the malignancy and the therapy received and must be discussed with the sponsor on a case by-case basis prior to Screening. 24. Has a history of any major neurological disorders, including stroke, multiple sclerosis, brain tumor, demyelinating, or neurodegenerative disease. 25. Has a positive progressive multifocal leukoencephalopathy (PML) subjective symptom checklist during Screening or prior to the administration of the first dose of study drug on Day 1. 26. Has a history of drug abuse (defined as any illicit drug use) or a history of alcohol abuse within 1 year prior to the Screening Visit.

• STEP 1 INITIAL REGISTRATION: HER2 TESTING
• Patients must have histologically or cytologically documented adenocarcinoma of the colon or rectum that is metastatic or locally advanced and unresectable
• Mutation results:
• All patients must have molecular testing performed in a Clinical Laboratory Improvement Act (CLIA) certified lab which includes which includes KRAS and NRAS gene and exon 15 of BRAF gene (BRAF V600E mutation); patients with any known activating mutation in exon 2 [codons 12 and 13], exon 3 [codons 59 and 61] and exon 4 [codons 117 and 146]) of KRAS/NRAS genes and in exon 15 (BRAFV600E mutation) of BRAF gene are not eligible
• Patients must not have been treated with any of the following prior to step 1 initial registration:
• Cetuximab, panitumumab, or any other monoclonal antibody against EGFR or inhibitor of EGFR
• HER-2 targeting for treatment of colorectal cancer; patients who have received prior trastuzumab or pertuzumab for other indications such as prior history of adjuvant or neoadjuvant breast cancer treatment prior to the development of advanced colorectal cancer are eligible
• Patients must not have had history of severe toxicity and intolerance to or hypersensitivity to irinotecan or any other study drug; patients must not have had a severe infusion-related reaction during any prior therapy with pertuzumab or trastuzumab
• Patients must have tumor slides available for submission for HER-2 testing; HER-2 testing must be completed by the central lab prior to step 2 randomization
• Patients must be informed of the investigational nature of this study and must sign and give informed consent in accordance with institutional and federal guidelines; for step 1 initial registration, the appropriate consent form is the step 1 consent form
• As a part of the OPEN registration process the treating institution's identity is provided in order to ensure that the current (within 365 days) date of institutional review board approval for this study has been entered in the system
• STEP 2 RANDOMIZATION
• Patients must have HER-2 amplification as determined by central testing (3+ or 2+ by immunohistochemistry and HER-2 gene amplification by in situ hybridization with a ratio of HER-2 gene signals to centromere 17 signals >= 2.0)
• Patients must have measurable disease that is metastatic or locally advanced and unresectable; imaging used to assess all disease per RECIST 1.1 must have been completed within 28 days prior to step 2 randomization; all disease must be assessed and documented on the Baseline Tumor Assessment Form
• Patients must have had at least one prior regimen of systemic chemotherapy for metastatic or locally advanced, unresectable disease; patients must have progressed following the most recent therapy; prior treatment with irinotecan is allowed; for patients that received adjuvant chemotherapy: prior treatment for metastatic disease is not required for patient who experienced disease recurrence during or within 6 months of completion of adjuvant chemotherapy; if the patient received one line of adjuvant treatment and had disease recurrence after 6 months of completing chemotherapy, patients will only be eligible after failing one additional line of chemotherapy used to treat the metastatic or locally advanced, unresectable disease; patients who have received >= 3 lines of systemic chemotherapy for metastatic or locally advanced, unresectable disease are not eligible
• Patients must have completed prior chemotherapy, immunotherapy, or radiation therapy at least 14 days prior to step 2 randomization and all toxicity must be resolved to Common Terminology Criteria for Adverse Events (CTCAE) version (v)4.0 grade 1 (with the exception of CTCAE v4.0 grade 2 neuropathy) prior to step 2 randomization
• Brain metastases are allowed if they have been adequately treated with radiotherapy or surgery and stable for at least 30 days prior to step 2 randomization; eligible patients must be neurologically asymptomatic and without corticosteroid treatment for at least 7 days prior to step 2 randomization
• Patients must have a Zubrod performance status of 0 or 1
• Patients must have a complete physical examination and medical history within 28 days prior to step 2 randomization
• Absolute neutrophil count (ANC) >= 1,500/mcL
• Platelets >= 75,000/mcL
• Hemoglobin >= 9 g/dL
• Aspartate aminotransferase (AST) and alanine aminotransferase (ALT) both =< 5 x institutional upper limit of normal (IULN)
• Bilirubin =< 1.5 mg/dL
• Calculated creatinine clearance > 30 ml/min within 14 days prior to step 2 randomization
• Patients who have had an echocardiogram performed within 6 months prior to step 2 randomization must have ventricular ejection fraction (left ventricular ejection fraction [LVEF]) >= 50% or >= within normal limits for the institution
• Patients must not have an uncontrolled intercurrent illness including, but not limited to diabetes, hypertension, severe infection, severe malnutrition, unstable angina, class III-IV New York Heart Association (NYHA) congestive heart failure, ventricular arrhythmias, active ischemic heart disease, or myocardial infarction within 6 months prior to step 2 randomization
• Patients must not have any known previous or concurrent condition suggesting susceptibility to hypersensitivity or allergic reactions, including, but not limited to: known hypersensitivity to any of the study treatments or to excipients of recombinant human or humanized antibodies; patients with mild or seasonal allergies may be included after discussion with the study chairs
• Patients must not be planning treatment with other systemic anti-cancer agents (e.g., chemotherapy, hormonal therapy, immunotherapy) or other treatments not part of protocol-specified anti-cancer therapy including concurrent investigational agents of any type
• No prior malignancy is allowed except for adequately treated basal cell or squamous cell skin cancer, in situ cervical cancer, ductal carcinoma in situ, other low grade lesions such as incidental appendix carcinoid, or any other cancer from which the patient has been disease and treatment free for two years; prostate cancer patients on active surveillance are eligible
• Patients must not be pregnant or nursing; females of child-bearing potential must have a negative serum pregnancy test within 7 days prior to registration; women/men of reproductive potential must have agreed to use an effective contraceptive method while on study and for at least 7 months after the last dose of study treatment; a woman is considered to be of "reproductive potential" if she has had menses at any time in the preceding 12 consecutive months; in addition to routine contraceptive methods, "effective contraception" also includes heterosexual celibacy and surgery intended to prevent pregnancy (or with a side-effect of pregnancy prevention) defined as a hysterectomy, bilateral oophorectomy or bilateral tubal ligation; however, if at any point a previously celibate patient chooses to become heterosexually active during the time period for use of contraceptive measures outlined in the protocol, he/she is responsible for beginning contraceptive measures
• Patients must be given the opportunity to consent to the optional submission of tissue for future research
• Patients must be informed of the investigational nature of this study and must sign and give written informed consent in accordance with institutional and federal guidelines; the appropriate consent form for this registration is the step 2 consent form
• STEP 2 RANDOMIZATION: As a part of the Oncology Patient Enrollment Network (OPEN) registration process the treating institution's identity is provided in order to ensure that the current (within 365 days) date of institutional review board approval for this study has been entered in the system
• STEP 3 CROSSOVER REGISTRATION (OPTIONAL): Patients must have documented disease progression while on CETIRI (Arm 2) on this protocol; the Follow-up Tumor Assessment Form documenting disease progression must be submitted to Southwest Oncology Group (SWOG) prior to step 3 crossover registration; registration to step 3 crossover must be within 28 days of discontinuation of CETIRI protocol treatment; patients going off treatment for any other reason are not eligible
• STEP 3 CROSSOVER REGISTRATION (OPTIONAL): Patients must have a Zubrod performance status of 0 or 1
• STEP 3 CROSSOVER REGISTRATION (OPTIONAL): ANC >= 1,500/mcL
• STEP 3 CROSSOVER REGISTRATION (OPTIONAL): Platelets >= 75,000/mcL
• STEP 3 CROSSOVER REGISTRATION (OPTIONAL): Hemoglobin >= 9 g/dL
• STEP 3 CROSSOVER REGISTRATION (OPTIONAL): AST and ALT both =< 5 x institutional upper limit of normal (IULN)
• STEP 3 CROSSOVER REGISTRATION (OPTIONAL): Bilirubin =< 1.5 mg/dL
• STEP 3 CROSSOVER REGISTRATION (OPTIONAL): Calculated creatinine clearance > 30 ml/min within 14 days prior to step 3 crossover registration
• STEP 3 CROSSOVER REGISTRATION (OPTIONAL): Patients must have left ventricular ejection fraction (LVEF) >= 50% or >= lower limit of normal for the institution by echocardiogram within 14 days prior to step 3 crossover registration
• STEP 3 CROSSOVER REGISTRATION (OPTIONAL): Patients must have a magnesium, potassium, calcium, sodium, bicarbonate, and chloride performed within 14 days prior to step 3 crossover registration
• STEP 3 CROSSOVER REGISTRATION (OPTIONAL): Patients must be informed of the investigational nature of this study and must sign and give written informed consent in accordance with institutional and federal guidelines; the appropriate consent form for this registration is the step 2 consent form
• STEP 3 CROSSOVER REGISTRATION (OPTIONAL): As a part of the OPEN registration process the treating institution's identity is provided in order to ensure that the current (within 365 days) date of institutional review board approval for this study has been entered in the system

• Patients in Group F must have a body surface area (BSA) >= 0.6 m^2
• Patients must have a performance status corresponding to Eastern Cooperative Oncology Group (ECOG) scores of 0, 1, or 2; use Karnofsky for patients > 16 years of age and Lansky for patients =< 16 years of age; patients who are unable to walk because of paralysis, but who are up in a wheelchair, will be considered ambulatory for the purpose of assessing the performance score
• Patients must be newly diagnosed with histologically-proven primary pediatric hepatic malignancies including hepatoblastoma or hepatocellular carcinoma, except as noted below; patients with a diagnosis of hepatocellular neoplasm, not otherwise specified, should be classified and treated per hepatoblastoma treatment arms; note that rapid central pathology review is required in some cases; please note: all patients with histology as assessed by the institutional pathologist consistent with pure small cell undifferentiated (SCU) HB will be required to have testing for INI1/SMARCB1 by immunohistochemistry (IHC) according to the practices at the institution
• Patients with histology consistent with pure SCU must have positive INI1/SMARCB1 staining
• For all Group A patients, WDF status as determined by rapid review will be used to further stratify patients to Group A1 or A2
• For Groups B, C and D, rapid review is required if patients are either >= 8 years of age or have an alphafetoprotein (AFP) =< 100 at diagnosis
• For all Groups E and F patients, rapid central pathology review is required
• In emergency situations when a patient meets all other eligibility criteria and has had baseline required observations, but is too ill to undergo a biopsy safely, the patient may be enrolled without a biopsy
• Clinical situations in which emergent treatment may be indicated include, but are not limited to, the following circumstances:
• Anatomic or mechanical compromise of critical organ function by tumor (e.g., respiratory distress/failure, abdominal compartment syndrome, urinary obstruction, etc.)
• Uncorrectable coagulopathy
• For a patient to maintain eligibility for AHEP1531 when emergent treatment is given, the following must occur:
• The patient must have a clinical diagnosis of hepatoblastoma, including an elevated alphafetoprotein (AFP), and must meet all AHEP1531 eligibility criteria at the time of emergent treatment
• Patient must be enrolled on AHEP1531 prior to initiating protocol therapy; a patient will be ineligible if any chemotherapy is administered prior to AHEP1531 enrollment
• Note: If the patient receives AHEP1531 chemotherapy emergently PRIOR to undergoing a diagnostic biopsy, pathologic review of material obtained in the future during either biopsy or surgical resection must either confirm the diagnosis of hepatoblastoma or not reveal another pathological diagnosis to be included in the analysis of the study aims
• Patients may have had surgical resection of the hepatic malignancy prior to enrollment; all other anti-cancer therapy for the current liver lesion is prohibited
• Creatinine clearance or radioisotope glomerular filtration rate (GFR) >= 60 mL/min/1.73 m^2 or
• A serum creatinine based on age/gender as follows:
• Age: maximum serum creatinine (mg/dL)
• 1 month to < 6 months: 0.4 (male and female)
• 6 months to < 1 year: 0.5 (male and female)
• 1 to < 2 years: 06 (male and female)
• 2 to < 6 years: 0.8 (male and female)
• 6 to < 10 years: 1 (male and female)
• 10 to < 13 years: 1.2 (male and female)
• 13 to < 16 years: 1.5 (male), 1.4 (female)
• >= 16 years: 1.7 (male), 1.4 (female)
• Total bilirubin =< 5 x upper limit of normal (ULN) for age
• Aspartate aminotransferase (AST) (serum glutamic-oxaloacetic transaminase [SGOT])/alanine aminotransferase (ALT) (serum glutamate pyruvate transaminase [SGPT]) < 10x upper limit of normal (ULN) for age
• Shortening fraction of >= 28% by echocardiogram (for patients on doxorubicin-containing regimens [Groups C, D, E2, and F] assessed within 8 weeks prior to study enrollment) or
• Ejection fraction of >= 47% by echocardiogram or radionuclide angiogram (for patients on doxorubicin-containing regimens [Groups C, D, E2, and F] assessed within 8 weeks prior to study enrollment)
• Group F patients only: QT/corrected QT (QTc) interval =< 450 milliseconds for males and =< 470 milliseconds for females (assessed within 8 weeks prior to study enrollment)
• Normal pulmonary function tests (including diffusion capacity of the lung for carbon monoxide [DLCO]) if there is clinical indication for determination (e.g. dyspnea at rest, known requirement for supplemental oxygen) (for patients receiving chemotherapy [Groups A2, B, C, D, E2, F]); for patients who do not have respiratory symptoms or requirement for supplemental oxygen, pulmonary function tests (PFTs) are NOT required
• All patients and/or their parents or legal guardians must sign a written informed consent
• All institutional, Food and Drug Administration (FDA), and National Cancer Institute (NCI) requirements for human studies must be met
• Prior chemotherapy or tumor directed therapy (i.e. radiation therapy, biologic agents, local therapy (embolization, radiofrequency ablation, and laser); therefore, patients with a pre-disposition syndrome who have a prior malignancy are not eligible
• Patients who are currently receiving another investigational drug
• Patients who are currently receiving other anticancer agents
• Patients with uncontrolled infection
• Patients who previously received a solid organ transplant, other than those who previously received an orthotopic liver transplantation (OLT) as primary treatment of their hepatocellular carcinoma
• Patients with hypersensitivity to any drugs on their expected treatment arm
• Group C: Patients who have known deficiency of dihydropyrimidine dehydrogenase (DPD)
• Group D:
• Patients with chronic inflammatory bowel disease and/or bowel obstruction
• Patients with concomitant use of St. John's wort, which cannot be stopped prior to the start of trial treatment
• Group F:
• Patients with peripheral sensitive neuropathy with functional impairment
• Patients with a personal or family history of congenital long QT syndrome
• This criteria apply ONLY to patients who will receive chemotherapy (all groups other than Groups A1 and E1):
• Female patients who are pregnant since fetal toxicities and teratogenic effects have been noted for several of the study drugs; a pregnancy test is required for female patients of childbearing potential
• Lactating females who plan to breastfeed their infants
• Sexually active patients of reproductive potential who have not agreed to use an effective contraceptive method for the duration of their study participation
• Note for Group F: patients of childbearing potential should use effective birth control during treatment with sorafenib and for at least 2 weeks after stopping treatment

• REGISTRATION TO STEP 1 ELIGIBILITY CRITERIA
• Patients must have histologically proven stage IIB (T3N0M0 only), IIIA (T2N1M0), IIIB (T4N0M0), or IIIC (T3N1M0, T4N1M0) invasive squamous cell carcinoma of the anus or anorectum, according to the American Joint Committee on Cancer (AJCC) 8th edition; this may include tumors of non-keratinizing histology such as basaloid, transitional cell, or cloacogenic histology; individuals with squamous cell carcinoma of the anal margin are eligible if there is evidence of extension of the primary tumor into the anal canal
• For patients registering to Arm T, patients must not have received prior chemoradiotherapy for anal cancer
• Patients must have Eastern Cooperative Oncology Group (ECOG) performance status of 0-2
• Patients must have hemoglobin levels of > 9 g/dL (within 2 weeks prior to registration)
• Patient must have a platelet count of > 100,000/mm^3 (within 2 weeks prior to registration)
• Patient's absolute neutrophil count (ANC) level must be > 1500/mm^3 (within 2 weeks prior to registration)
• Serum creatinine must be =< 1.5 X upper limit of normal (ULN) (within 2 weeks prior to registration)
• Total bilirubin must be < 2 X ULN (within 2 weeks prior to registration)
• Aspartate aminotransferase (AST) (serum glutamic oxaloacetic transaminase [SGOT])/alanine aminotransferase (ALT) (serum glutamic pyruvic transaminase [SGPT]) =< 2.5 X institutional upper limit of normal (within 2 weeks prior to registration)
• Albumin >= 3.0 g/dL (within 2 weeks prior to registration)
• Patients known to be human immunodeficiency virus (HIV)+ are permitted; patients with CD4 > 200 and serum HIV viral load of < 200 copies/mm^3 are eligible, and in addition:
• Participants must be purified protein derivative (PPD) negative; alternatively, the QuantiFERON-tuberculosis (TB) Gold In-Tube (QFT-GIT) assay (Cellestis Limited, Carnegie, Australia) can be used; an individual is considered positive for M. tuberculosis infection if the IFN-gamma response to TB antigens is above the test cut-off (after subtracting the background IFN-gamma response in the negative control); the result must be obtained within 20 weeks prior to enrollment; PPD positive (or Quantiferon assay positive) participants are permitted if prophylaxis has been completed prior to enrollment
• No history of acquired immune deficiency syndrome (AIDS)-related complications within past year other than a history of low CD4+ T-cell count > 200/mm^3 prior to initiation of combination antiretroviral therapy; on study CD4+ T-cell count may not be informative due to chemoradiotherapy and should not be used as an exclusion criterion if low
• Patient must be healthy on the basis of HIV disease with high likelihood of near normal life span were it not for the anal cancer
• Participants MUST receive appropriate care and treatment for HIV infection, including antiretroviral medications when clinically indicated, and should be under the care of a physician experienced in HIV management; participants will be eligible regardless of antiretroviral medication (including no antiretroviral medication) provided there is no intention to initiate therapy or the regimen has been stable for at least 4 weeks with no intention to change the regimen within 12 weeks following enrollment
• Patient must have =< grade 2 diarrhea (participants with grade 1 diarrhea are eligible provided stool for ova/parasites and stool cryptosporidium studies are negative;
• NOTE: HIV testing is not required for eligibility
• For patients registering prior to start of chemoradiotherapy, baseline scans must have been completed within 4 weeks prior to registration
• Patients with an allogenic bone marrow/stem, cell or solid organ transplant are excluded
• Women of child-bearing potential must use an accepted and effective method of contraception and/or abstain from sexual intercourse while on protocol treatment and for at least 5 months after the last dose of nivolumab; sexually active males must use an accepted and effective method of contraception and/or abstain from sexual intercourse while on protocol treatment and for at least 7 months after the last dose of nivolumab
• Women MUST NOT be pregnant or breast-feeding due to the potential teratogenic harm or abortifacient effects to an unborn fetus and possible risk for adverse events in nursing infants with the treatment regimens being used; all patients must also not expect to conceive or father children from study registration and throughout their time on study treatment; for female patients this must continue until at least 5 months after the last dose of nivolumab and for male patients until at least 7 months after the last dose of nivolumab; all females of child bearing potential must have a serum or urine pregnancy test to rule out pregnancy within 2 weeks prior to registration; a female of childbearing potential is any woman, regardless of sexual orientation or whether they have undergone tubal ligation, who meets the following criteria: 1) has achieved menarche at some point, 2) has not undergone a hysterectomy or bilateral oophorectomy, or 3) has not been naturally postmenopausal (amenorrhea following cancer therapy does not rule out childbearing potential) for at least 24 consecutive months (i.e., has had menses at any time in the preceding 24 consecutive months)
• Patients will be excluded if they have a T1 or M1, and T2N0 cancer
• Patients must not have had prior potentially curative surgery (abdominal, peritoneal resection) for carcinoma of the anus
• Participants may not be receiving any other standard anti-cancer therapy or experimental agent concurrently with the study drugs
• Any surgery must have been completed >= 4 weeks prior to starting study treatment
• No uncontrolled intercurrent illness including, but not limited to ongoing or active infection, symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia, or psychiatric illness/social situations that would limit compliance with study requirements
• Individuals with a history of a different malignancy are ineligible except if they have been disease-free for at least 2 years and are deemed by the investigator to be at low risk for recurrence; individuals with the following cancers are eligible if diagnosed and treated within the past 5 years: cervical cancer in situ, and basal cell or squamous cell carcinoma of the skin
• Patient must not have active autoimmune disease in the past 2 years
• NOTE: This does not include patients with autoimmune disease controlled by medication, such as hypothyroidism
• No prior treatment with an immune checkpoint inhibitor (anti-PD-1, anti-PD-L1, anti-PD-L2, anti-CTLA4 monoclonal antibody)
• No patients with immunodeficiency or receiving nivolumab equivalent to > 10 mg prednisone per day or any other form of immunosuppressive therapy within 7 days prior to the first dose of study medication; topical corticosteroid or occasional inhaled corticosteroids are allowed
• No live vaccines within 30 days prior to registration; examples of live vaccines include, but are not limited to, the following: measles, mumps, rubella, chicken pox, yellow fever, rabies, BCG, and typhoid (oral) vaccine; seasonal influenza vaccines for injection are generally killed virus vaccines and are allowed; however, intranasal influenza vaccines (e.g., Flu-Mist) are live attenuated vaccines and are not allowed; NOTE: no live vaccines may be administered while participating in the trial
• Patients must not have known interstitial lung disease that is symptomatic or may interfere with the detection or management of suspected drug-related pulmonary toxicity
• Previously irradiated patients (Arm S) must have received radiation per National Comprehensive Cancer Network guidelines; radiation therapy delivered on protocol (Arm T) will be reviewed
• REGISTRATION TO STEP 2 ELIGIBILITY CRITERIA: Patients will be registered within 63 days following completion of standard chemoradiation for anal cancer; standard chemoradiation therapy is as defined
• REGISTRATION TO STEP 2 ELIGIBILITY CRITERIA: Patients must have histologically proven stage IIB (T3N0M0 only), IIIA (T2N1M0), IIIB (T4N0M0), or IIIC (T3N1M0, T4N1M0) invasive squamous cell carcinoma of the anus or anorectum, according to the AJCC 8th edition; this may include tumors of non-keratinizing histology such as basaloid, transitional cell, or cloacogenic histology; individuals with squamous cell carcinoma of the anal margin are eligible if there is evidence of extension of the primary tumor into the anal canal
• REGISTRATION TO STEP 2 ELIGIBILITY CRITERIA: Patients must have received at least 54 gray (Gy) of radiation to the PTVp (primary) and 45 Gy to PTVn (elective nodal region) for the treatment of the anal cancer
• REGISTRATION TO STEP 2 ELIGIBILITY CRITERIA: Patients must have ECOG performance status of 0-2
• REGISTRATION TO STEP 2 ELIGIBILITY CRITERIA: Patients must have hemoglobin levels of > 10 g/dL (within 2 weeks prior to registration)
• REGISTRATION TO STEP 2 ELIGIBILITY CRITERIA: Patient must have a platelet count of > 100,000/mm^3 (within 2 weeks prior to registration)
• REGISTRATION TO STEP 2 ELIGIBILITY CRITERIA: Patient's ANC level must be > 1500/mm^3 (within 2 weeks prior to registration)
• REGISTRATION TO STEP 2 ELIGIBILITY CRITERIA: Serum creatinine must be =< 1.5 X ULN (within 2 weeks prior to registration)
• REGISTRATION TO STEP 2 ELIGIBILITY CRITERIA: Total bilirubin must be < 2 X ULN (within 2 weeks prior to registration)
• REGISTRATION TO STEP 2 ELIGIBILITY CRITERIA: AST (SGOT)/ALT (SGPT) =< 2.5 X institutional upper limit of normal (within 2 weeks prior to registration)
• REGISTRATION TO STEP 2 ELIGIBILITY CRITERIA: Albumin >= 3.0 g/dL (within 2 weeks prior to registration)
• REGISTRATION TO STEP 2 ELIGIBILITY CRITERIA: Patients known to be human immunodeficiency virus (HIV)+ patients with CD4 > 200 and serum HIV viral load of < 200 copies/mm^3 are eligible; in addition:
• Participants must be PPD negative; alternatively, the QuantiFERON-TB Gold In-Tube (QFT-GIT) assay (Cellestis Limited, Carnegie, Australia) can be used; an individual is considered positive for M. tuberculosis infection if the IFN-gamma response to TB antigens is above the test cut-off (after subtracting the background IFN-gamma response in the negative control); the result must be obtained within 20 weeks prior to enrollment; PPD positive (or Quantiferon assay positive) participants are permitted if prophylaxis has been completed prior to enrollment; NOTE: If patient completed chemoradiation on Step 1, PPD testing does not need to be performed again
• No history of AIDS-related complications within past year other than a history of low CD4+ T-cell count > 200/mm^3 prior to initiation of combination antiretroviral therapy; on study CD4+ T-cell count may not be informative due to chemoradiotherapy should not be used as an exclusion criterion if low
• Patient must be healthy on the basis of HIV disease with high likelihood of near normal life span were it not for the anal cancer
• Participants MUST receive appropriate care and treatment for HIV infection, including antiretroviral medications when clinically indicated, and should be under the care of a physician experienced in HIV management; participants will be eligible regardless of antiretroviral medication (including no antiretroviral medication) provided there is no intention to initiate therapy or the regimen has been stable for at least 4 weeks with no intention to change the regimen within 12 weeks following enrollment
• Patient must have =< grade 2 diarrhea (participants with grade 1 diarrhea are eligible provided stool for ova/parasites and stool cryptosporidium studies are negative)
• NOTE: HIV testing is not required for eligibility
• REGISTRATION TO STEP 2 ELIGIBILITY CRITERIA: Scans done within 4 weeks of randomization to Step 2
• REGISTRATION TO STEP 2 ELIGIBILITY CRITERIA: Patient must have recovered from all toxicities associated with chemoradiotherapy for anal cancer, to grade =< 1 with the exception of alopecia
• REGISTRATION TO STEP 2 ELIGIBILITY CRITERIA: Patients with an allogenic bone marrow/stem, cell or solid organ transplant are excluded
• REGISTRATION TO STEP 2 ELIGIBILITY CRITERIA: Women of child-bearing potential must use an accepted and effective method of contraception and/or abstain from sexual intercourse while on protocol treatment and for at least 5 months after the last dose of nivolumab; sexually active males must use an accepted and effective method of contraception and/or abstain from sexual intercourse while on protocol treatment and for at least 7 months after the last dose of nivolumab
• REGISTRATION TO STEP 2 ELIGIBILITY CRITERIA: Women MUST NOT be pregnant or breast-feeding due to the potential teratogenic harm or abortifacient effects to an unborn fetus and possible risk for adverse events in nursing infants with the treatment regimens being used; all patients must also not expect to conceive or father children from study registration and throughout their time on study treatment; for female patients this must continue until at least 5 months after the last dose of nivolumab and for male patients until at least 7 months after the last dose of nivolumab; all females of child bearing potential must have a serum or urine pregnancy test to rule out pregnancy within 2 weeks prior to registration; a female of childbearing potential is any woman, regardless of sexual orientation or whether they have undergone tubal ligation, who meets the following criteria: 1) has achieved menarche at some point, 2) has not undergone a hysterectomy or bilateral oophorectomy, or 3) has not been naturally postmenopausal (amenorrhea following cancer therapy does not rule out childbearing potential) for at least 24 consecutive months (i.e., has had menses at any time in the preceding 24 consecutive months)
• REGISTRATION TO STEP 2 ELIGIBILITY CRITERIA: Patients must not have had prior potentially curative surgery (abdominal, peritoneal resection) for carcinoma of the anus
• REGISTRATION TO STEP 2 ELIGIBILITY CRITERIA: Participants may not be receiving any other standard anti-cancer therapy or experimental agent concurrently with the study drugs
• REGISTRATION TO STEP 2 ELIGIBILITY CRITERIA: No uncontrolled intercurrent illness including, but not limited to ongoing or active infection, symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia, or psychiatric illness/social situations that would limit compliance with study requirements
• REGISTRATION TO STEP 2 ELIGIBILITY CRITERIA: Individuals with a history of a different malignancy are ineligible except if they have been disease-free for at least 2 years and are deemed by the investigator to be at l

Inclusion criteria: 1. Participants with hepatocellular carcinoma. 2. Must have had at least one prior standard-of-care therapy, unless contraindicated. 3. Eastern Cooperative Oncology Group (ECOG) Performance Status of 0 or 1. 4. Must be willing to undergo a biopsy up to 8 weeks before administration of H3B-6527 on Cycle 1 Day 1 for part 2 (dose expansion). 5. Adequate bone marrow and organ function. Exclusion criteria: 1. Uncontrolled significant active infections, except hepatitis B virus (HBV) or hepatitis C virus (HCV). 2. Known human immunodeficiency virus infection. 3. Presence of gastric or esophageal varices requiring active treatment. 4. Previous treatment with a selective FGF19-FGFR4 targeted therapy. 5. Females of childbearing potential, or males who have not had a successful vasectomy, who are unable or unwilling to follow adequate contraceptive measures. 6. Hereditary problems of galactose intolerance, the Lapp lactase deficiency, or glucose-galactose malabsorption.

1. Cytologic or biopsy confirmed adenocarcinoma of the pancreatic head, body or tail 2. Disease that is appropriate for SBRT by virtue of being: a. Locally advanced and technicallyunresectable, as determined by a pancreaticobiliary surgeon as part of a multidisciplinary review at the investigative site, including multi-phasic CT demonstrating: i.Greater than 180 degree tumor involvement of the superior mesenteric artery ii. Greater than 180 degree tumor involvement of the celiac axis, including major branches of the celiac axis that render it unresectable (e.g. common hepatic artery). iii. Tumor involvement of the first branch of the SMA that is not surgically reconstructible iv. Long segment involvement of the superior mesenteric vein/portal vein or hepatic artery that is not surgically reconstructible b. Potentially resectable, but patient is judged not a candidate for surgery, after multidisciplinary review at the investigative site; c. Potentially resectable, but the patients refuses surgery and is considered an acceptable candidate for SBRT after multidisciplinary review at the investigative site; d. "Borderline" resectable, as determined by multidisciplinary review, including absence of distant lymphadenopathy and the primary tumor characterized by one of more of the following: i. A tumor-vessel interface (TVI) with the mesenteric vein (SMV) or portal vein (PV) measuring ≥180° of the circumference of either vein's wall or short-segment occlusion of either vein with a normal vein above or below the obstruction amenable to reconstruction; ii. Any TVI with the common hepatic artery (CHA) with normal artery proximal and distal to the TVI amenable to reconstruction; iii. A TVI with the superior mesenteric artery (SMA) measuring <180° of the circumference of the vessel wall 3. Pancreatic tumor size and limited bowel involvement by tumor must be judged acceptable for SBRT at the discretion of the treating investigator 4. No evidence of distant metastasis either prior to or after induction chemotherapy. 5. Completion of at least 3 months of standard induction chemotherapy for LAPC, which should consist of either FOLFIRINOX, gemcitabine or nab-paclitaxel or another standard combination of induction chemotherapy agents 6. Patient must have metal stent in place if duodenal stent is required. If patient has plastic stent, this must be replaced prior to radiation. 7. Ability to understand and follow the breathing instructions involved in the respiratory gating procedure or to tolerate compression sufficient to reduce fiducial motion to <= 5mm. 8. Age 18 years or older 9. Eastern Cooperative Oncology Group (ECOG) performance status ≤ 2 (0, 1 or 2) 10. Adequate hematologic function as indicated by i. Absolute neutrophil counts (ANC) ≥ 1,500/mm3 ii. Hemoglobin (Hgb) ≥ 8.0 g/dL iii. Platelet count ≥ 75,000/mm3 11. Adequate renal and liver function as indicated by: i. Creatinine ≤ 1.5 x upper-normal limit (ULN) ii. Total bilirubin ≤ 1.5 x upper-normal limit (ULN) iii. Aspartate aminotransferase (AST) and alanine aminotransferase (ALT) ≤ 2.5 x ULN iv. Alkaline phosphatase ≤ 2.5 x ULN 12. Properly obtained written informed consent 1. Prior radiation therapy to the abdomen that would overlap with treatment field 2. Prior surgical resection of pancreatic tumor 3. Receiving any approved or investigational anti-cancer agent other than those provided for in this study 4. Uncontrolled or active gastric or duodenal ulcer disease within 30 days of enrollment 5. Visible invasion of tumor into the lumen of the bowel or stomach on endoscopy (Note: Radiological infiltration into bowel is allowed, unless deemed clinically unsafe.) 6. Residual or ongoing ≥ Grade 3 non-hematologic toxicity from chemotherapy 7. Contraindication to IV contrast 8. Concurrent participation in another interventional clinical trial or use of another investigational agent within 30 days of study entry Note: Patients who are participating in non-interventional clinical trials (e.g., QOL, imaging, observational, follow-up studies, etc.) are eligible, regardless of the timing of participation. 9. Uncontrolled intercurrent illness including, but not limited to, ongoing or active infection, symptomatic congestive heart failure, unstable angina pectoris, renal failure, cardiac arrhythmia, or psychiatric illness that would limit compliance with treatment 10. Second primary malignancy within the last 5 years, unless treated definitively and with low risk of recurrence in the judgment of the treating investigator 11. Known history of HIV or active hepatitis B/C (patients who have been vaccinated for hepatitis B and do not have a history of infection are eligible) 12. Female patients who are pregnant or breastfeeding 13. Women of child-bearing potential who are unwilling or unable to use an acceptable method of birth control to avoid pregnancy for the entire study period and for 30 days after the last dose of GC4419. This includes any woman who has experienced menarche but has not undergone successful surgical sterilization or is not postmenopausal (defined as amenorrhea for at least 12 consecutive months, or women on hormone replacement therapy with serum FSH levels greater than 35 mIU/mL. A negative urine or serum pregnancy test must be obtained within 14 days prior to the start of study therapy in all women of child-bearing potential. 14. Male subjects who are unwilling or unable to use an acceptable method of birth control to avoid pregnancy for the entire study period and for up to 90 days after the last dose of GC4419 are excluded. 15. Requirement for concurrent treatment with nitrates or other drugs that may, in the judgment of the treating investigator, create a risk for a precipitous decrease in blood pressure. 16. Medical history that includes any condition, or requires the use of concomitant medications which, in the investigator's judgment, are associated with or create a risk of increased carotid sinus sensitivity, symptomatic bradycardia, or syncopal episodes.

1. Women age 21 or older 2. Prior total hysterectomy (no cervix present) 3. Prolapse beyond the hymen (defined as Ba, C, or Bp > 0 cm) 4. Vaginal cuff descent into at least the lower two thirds of the vagina (defined as point C> -2/3 TVL) 5. Bothersome bulge symptoms as indicated on question 3 of the PFDI-20 form relating to 'sensation of bulging' or 'something falling out' 6. Desires surgical treatment for post-hysterectomy vaginal prolapse 7. Available for up to 60 month follow-up 1. Previous synthetic material or biologic grafts (placed vaginally or abdominally) to augment POP repair including anterior, posterior and/or apical compartments 2. Known previous formal SSLS performed for either uterovaginal or post-hysterectomy vaginal vault prolapse * 3. Known adverse reaction to synthetic mesh or biological grafts; these complications include but are not limited to erosion, fistula, or abscess 4. Unresolved chronic pelvic pain-active 5. Prior abdominal or pelvic radiation 6. Contraindication to any of the index surgical procedures
• Known Horseshoe Kidney or Pelvic Mass overlying the sacrum
• Active diverticular abscess or active diverticulitis
• Shortened vaginal length (<6 cm TVL)
• NOTE:
• Only documented SSLS will be an exclusion.
• Mesh used for only mid-urethral sling will NOT be an exclusion
• If prior POP repair is unknown and unable to be documented, subjects will be eligible based on clinician judgment. The investigator will examine and assess for evidence of mesh or graft if no evidence of mesh or graft is present on examination subject remains eligible.

• Patients are eligible under ONE of the following criteria:
• For all cohorts except the gestational trophoblastic disease (GTD) (Cohort #47), patients must have histologically and/or biochemically confirmed rare cancer and must be able to submit specimens. To be eligible for the GTD cohort: patients must have disease confirmed by quantitative serum beta-human chorionic gonadotropin (hCG) within 28 days prior to registration and must be able to submit blood specimens (tissue submission is not required for patients who will be registered to the GTD cohort [Cohort #47]); NOTE: Subsequent to site's Institutional Review Board (IRB) approval of revision 3, patients are NOT required to participate in EAY131 "National Cancer Institute (NCI)-Molecular Analysis for Therapy Choice (MATCH)" to register to S1609 OR
• FOR PATIENTS WITH PD-L1 AMPLIFICATION ONLY: All solid tumors (excluding lymphoma) are allowed for the PD-L1 amplified cohort if they have PD-L1 amplification; PD-L1 amplification is defined as having deoxyribonucleic acid (DNA) copy number of equal to or greater than six by any of the following Clinical Laboratory Improvement Act (CLIA)-approved next generation sequencing (NGS) tests: Foundation Medicine, Caris, MSK Impact, MD Anderson, Tempus, or Neogenomics; (fluorescence in situ hybridization [FISH] is not allowed); the assay must be done at or after the diagnosis of advanced disease, but PRIOR TO REGISTRATION OR
• FOR PATIENTS ENROLLED IN EAY131 "NCI-MATCH" PRIOR TO EAY131 ADDENDUM 10 ONLY: Patients must have histologically confirmed rare cancer that did not have a match to a molecularly-guided therapy on EAY131 "NCI-MATCH" protocol or who are off protocol treatment on EAY131, "NCI-MATCH" and have no further molecularly-matched treatment recommendations per EAY131, "NCI-MATCH" or who are otherwise unable to receive EAY131, "NCI-MATCH" therapy
• Patients who do not qualify for one of the histologic cohorts and are not on the ineligible histology list may be considered for registration in the "Not Otherwise Categorized" Rare Tumors cohort with confirmation of at least one of the study chairs via email
• NOTE: The "Not Otherwise Categorized" Rare Tumors cohort was permanently closed to accrual on 3/15/2019
• Patients who are determined to have a rare cancer with unknown primary site are eligible under cohort #32 (tumor of unknown primary [cancer of unknown primary; CuP]), provided that there is histologic documentation of metastatic malignancy with no discernible primary site identified from histopathologic review, physical exam and associated cross-sectional imaging of the chest, abdomen, and pelvis
• NOTE: The "Tumor of unknown primary (Cancer of Unknown Primary; CuP" cohort was permanently closed to accrual on 12/22/2017
• Patients must also meet one of the following:
• Patients must have progressed following at least one line of standard systemic therapy and there must not be other approved/standard therapy available that has been shown to prolong overall survival (i.e. in a randomized trial against another standard treatment or by comparison to historical controls); patients who cannot receive other standard therapy that has been shown to prolonged survival due to medical issues will be eligible, if other eligibility criteria are met; OR
• Patients for whose disease no standard treatment exists that has been shown to prolong overall survival
• For all cohorts except the GTD cohort (Cohort #47): Patients must have a diagnostic quality computed tomography (CT) scan or magnetic resonance imaging (MRI), performed within 28 days prior to registration, which demonstrates measurable disease, as defined in RECIST v. 1.1; scans must include imaging of the chest, abdomen and pelvis, with the exception of patients with head/neck cancer, who must have imaging of the chest, abdomen, pelvis and neck; if there is clinical suspicion for bone metastases at the time of enrollment (in the judgement of the treating investigator) bone scan should be performed; bone scans done within 42 days prior to registration may be used to establish baseline condition at registration
• No other prior malignancy is allowed except for the following:
• Adequately managed stage I or II cancer from which the patient is currently in complete remission
• Any other cancer from which the patient has been disease free for one year
• Adequately managed stage I or II follicular thyroid or prostate cancer is also eligible, wherein patient is not required to be in complete remission
• Note: Second primary tumors are not allowed concurrent with any of the eligible rare cancers
• For all cohorts except the PD-L1 amplified tumors cohort (Cohort # 50): Patients may have received either prior anti-CTLA4 or other prior anti-PD-1/anti-PD-L1 therapy, but not both, provided that it is completed >= 4 weeks prior to registration. To be eligible for the PD-L1 amplified tumors cohort (Cohort #50): Patients must not have received anti-PD-1/anti-PD-L1 therapy; prior anti-CTLA-4 is allowed provided that it is completed >= 4 weeks prior to registration
• Patients who had prior grade 3 or higher immune-related adverse event (e.g. pneumonitis, hepatitis, colitis, endocrinopathy) with prior immunotherapy (e.g. cancer vaccine, cytokine, etc.) are not eligible
• Patients with clinically controlled thyroiditis or pituitary disorders on stable replacement therapy are eligible
• Patients are not eligible if they have had or are planned for solid organ transplant
• Patients with autoimmune disease who are otherwise eligible must not have received steroid and immunosuppressive therapy within 28 days prior to registration
• Patients with brain metastases or primary brain tumors must have completed treatment, surgery or radiation therapy >= 28 days prior to registration and have stable disease at time of registration; these patients must also have a CT or MRI of the brain to evaluate for CNS disease within 42 days prior to registration to S1609; metastatic brain parenchymal disease must have been treated and patient must be off steroids for 7 days prior to registration
• Patients must not currently be receiving any other investigational agents or any other systemic anti-cancer therapy (including radiation, excluding RANKL inhibitors and bisphosphonates); in event patient recently received any other systemic anti-cancer therapy, patient must be off therapy at least 7 days prior to registration and any therapy-induced toxicity must have recovered to =< grade 1, except alopecia and =< grade 2 neuropathy which are allowed; any planned radiation therapy must be completed before registration to S1609
• Patients must not have prior history of allergy or known hypersensitivity to nivolumab or ipilimumab
• Hormonal or endocrine blockade is permitted as long as patient has demonstrated progression on prior therapy (e.g. gonadotrophin releasing hormone [GnRH], somatostatin); long-acting somatostatin analogs (including octreotide) and androgen deprivation treatment (including long-acting leuprolide) are permitted while on protocol therapy
• Patients must have a Zubrod performance status of 0-2
• Absolute neutrophil count (ANC) >= 1,000/mcL (within 28 days prior to registration)
• Platelets >= 75,000/mcL (within 28 days prior to registration)
• Hemoglobin >= 8 g/dL (within 28 days prior to registration)
• Total bilirubin =< 2.0 x institutional upper limit of normal (IULN) or for documented/suspected Gilbert's disease, total bilirubin =< 3.0 x IULN (within 28 days prior to registration)
• Aspartate aminotransferase (AST) and alanine aminotransferase (ALT) both =< 3 x IULN (within 28 days prior to registration)
• Serum creatinine =< 2.0 x IULN (within 28 days prior to registration)
• Creatinine clearance (CrCl) >= 50 mL/min., as estimated by the Cockcroft and Gault formula; estimated creatinine clearance is based on actual body weight (within 28 days prior to registration)
• Patients must have adequate thyroid function, as evidenced by either thyroid-stimulating hormone (TSH) or, free thyroxine (T4) serum tests demonstrating values within the normal range, within 28 days prior to registration; Note: TSH, with reflex T4 is allowable if per institutional standard; patients who have undergone thyroidectomy or who are on thyroid suppression for their cancer are not required to have normal TSH and free T4
• Patients must have adequate adrenal axis function, as evidenced by adrenocorticotropic hormone (ACTH) values within the institutional normal ranges OR cortisol levels within institutional normal ranges (ante meridiem [AM] cortisol preferred), within 28 days prior to registration; Note: ACTH and cortisol levels are not required for patients with primary adrenal tumors (e.g. adrenocortical carcinoma)
• For women of childbearing potential, the local investigator must rule out pregnancy; Except for Cohorts 13 and 47, where tumor types may express beta-hCG, women of childbearing potential must have a serum or urine pregnancy test within 7 days prior to registration; for Cohorts 13 and 47, where tumor types may produce hCG (e.g. germ cell tumors or trophoblastic disease), other pregnancy exclusion methods should be used to rule out pregnancy, such as ultrasound examination, documented history of effective contraception, or documented infertility; all females of childbearing potential must have been demonstrated not to be pregnant within 7 days prior to registration and agree to use birth control throughout study and for 23 weeks after completion of protocol therapy; patients must not be pregnant or nursing due to risk of fetal or nursing infant harm; women of childbearing potential must have agreed to use an effective contraceptive method; a woman is considered to be of "childbearing potential" if she has had menses at any time in the preceding 12 consecutive months; in addition to routine contraceptive methods, "effective contraception" also includes heterosexual celibacy and surgery intended to prevent pregnancy (or with a side-effect of pregnancy prevention) defined as a hysterectomy, bilateral oophorectomy or bilateral tubal ligation; however, if at any point a previously celibate patient chooses to become heterosexually active during the time period for use of contraceptive measures outlined in the protocol, she is responsible for beginning contraceptive measures
• Men of reproductive potential must have agreed to use birth control throughout the study and for 31 weeks after completion of protocol therapy; in addition to routine contraceptive methods, "effective contraception" also includes heterosexual celibacy and surgery intended to prevent pregnancy (vasectomy); however, if at any point a previously celibate patient chooses to become heterosexually active during the time period for use of contraceptive measures outlined in the protocol, he is responsible for beginning contraceptive measures
• Patients must not have known active hepatitis B virus (HBV) or hepatitis virus (HCV) infection at time of registration; patients with HBV or HCV that have an undetectable viral load, or in the opinion of the treating investigator is well-controlled, are eligible
• Patients who are known to be human immunodeficiency virus (HIV)-positive at registration are eligible at the time of registration:
• CD4+ cell count greater or equal to 250 cells/mm^3
• No history of non-malignancy acquired immunodeficiency syndrome (AIDS)-defining conditions other than historical low CD4+ cell counts
• Patients must not have active autoimmune disease that has required systemic treatment in past 2 years (i.e., with use of disease modifying agents, immunosuppressive drugs, or corticosteroids with doses higher than prednisone 10 mg or equivalent); replacement therapy (e.g., thyroxine, insulin, or physiologic corticosteroid replacement therapy for adrenal or pituitary insufficiency, etc.) is not considered a form of systemic treatment; autoimmune diseases include but are not limited to autoimmune hepatitis, inflammatory bowel disease (including ulcerative colitis and Chron's disease), as well as symptomatic disease (e.g. rheumatoid arthritis, systemic progressive sclerosis [scleroderma], systemic lupus erythematosus, autoimmune vasculitis [e.g., Wegener's Granulomatosis]); CNS or motor neuropathy considered of autoimmune origin (e.g., Guillain-Barre syndrome and myasthenia gravis, multiple sclerosis or glomerulonephritis); vitiligo, alopecia, hypothyroidism on stable doses of thyroid replacement therapy, psoriasis not requiring systemic therapy within the past 2 years is permitted; short-term steroid premedication for contrast allergy is permitted
• Patients must not have any uncontrolled intercurrent illness including (not limited to): symptomatic congestive heart failure (CHF) (New York Heart Association [NYHA] III/IV), unstable angina pectoris or coronary angioplasty, or stenting within 24 weeks prior to registration, unstable cardiac arrhythmia (ongoing cardiac dysrhythmias of NCI Common Terminology Criteria for Adverse Events [CTCAE] version [v] 4 grade >= 2), known psychiatric illness that would limit study compliance, intra-cardiac defibrillators, known cardiac metastases, or abnormal cardiac valve morphology (>= grade 3)
• Note: Patients with history of CHF or patients who are deemed at risk because of underlying cardiovascular disease or exposure to cardiotoxic drugs should have an electrocardiogram (EKG) and echocardiogram (ECHO), as clinically indicated, at baseline and at the start of each cycle; patients who have evidence at baseline (or subsequently) of CHF, myocardial infarction (MI), cardiomyopathy, or myositis cardiac evaluation (NYHA I/II) should have additional consult by a cardiologist, including review of EKG, creatine phosphokinase (CPK), troponin, echocardiogram, as clinically indicated
• Patients must have amylase or lipase within =< 1.5 x IULN without symptoms of pancreatitis at registration, within 28 days prior to registration
• Patients must not have symptomatic interstitial lung disease or pneumonitis
• Patients must have fully recovered from any adverse effects of major surgery (to =< grade 1) at least 14 days prior to registration

To be eligible for participation in the study, patients must meet all of the following inclusion criteria: 1. Patients enrolled in the Phase 1a study must: 1. Have a histologically confirmed diagnosis of advanced metastatic or progressive solid tumor 2. Be refractory to, or intolerant of, established therapy known to provide clinical benefit for their condition 2. Patients enrolled in the Phase 1b study must meet criteria for one of the following tumor types: 1. Have tumors that have progressed after achieving a best documented response of at least stable disease (ie, SD, PR, or CR documented per iRECIST following at least 2 cycles (8 weeks) of immunotherapy and are felt to be appropriate for this type of treatment* 2. Have EGFR+ NSCLC and have demonstrated recent progression following a best documented response of at least stable disease (ie, SD, PR, or CR documented per per RECIST v1.1 on ≤2 lines of oral TKIs and are felt to be appropriate for this type of treatment* Prior chemotherapy ± immunotherapy is allowed as long as the patient is clearly demonstrating current progression on an EGFR TKI. 3. Have BRAF-, KRAS-, or NRAS-mutated CRC for whom there is no standard therapy remaining 4. Have persistent/recurrent ovarian cancer who would be platinum refractory/ resistant and have had any number of lines of prior therapy 5. Have BRAF-mutated melanoma that has not responded to immunotherapy or a combination BRAF/MEK inhibitor 3. Have one or more tumors measurable or evaluable as outlined by modified RECIST v1.1 or iRECIST 4. Have an Eastern Cooperative Oncology Group (ECOG) (World Health Organization [WHO]) performance of ≤1 5. Have a life expectancy ≥3 months 6. Be ≥18 years of age 7. Have a negative pregnancy test (if female of childbearing potential) 8. Have acceptable liver function: 1. Bilirubin ≤1.5x upper limit of normal (ULN) *Patients receiving immunotherapy should have a bilirubin level <3.0x ULN. 2. Aspartate aminotransferase (AST/SGOT), alanine aminotransferase (ALT/SGPT) and alkaline phosphatase ≤2.5x upper limit of normal (ULN)
• If liver metastases are present, then ≤5x ULN is allowed.
• Patients receiving immunotherapy should have AST and ALT levels <5.0x ULN. 9. Have acceptable renal function: a. Calculated creatinine clearance ≥30 mL/min 10. Have acceptable hematologic status: 1. Granulocyte ≥1500 cells/mm3 2. Platelet count ≥100,000 (plt/mm3) 3. Hemoglobin ≥9 g/dL 11. Have no clinically significant abnormalities on urinalysis 12. Have acceptable coagulation status: 1. Prothrombin time (PT) within 1.5x normal limits 2. Activated partial thromboplastin time (aPTT) within 1.5x normal limits 13. Be nonfertile or agree to use an adequate method of contraception. Sexually active patients and their partners must use an effective method of contraception (hormonal or barrier method of birth control; or abstinence) prior to study entry and for the duration of study participation and for at least 30 days after the last study drug dose (see Section 4.6.3). Should a woman become pregnant or suspect she is pregnant while participating in this study, she should inform her treating physician immediately. 14. Have read and signed the IRB-approved informed consent form prior to any study related procedure. (In the event that the patient is re-screened for study participation or a protocol amendment alters the care of an ongoing patient, a new informed consent form must be signed.) 15. Patients enrolled in each of the five Expansion Cohorts must be willing to consider pre-study and on-study biopsies, if safe and medically feasible, as determined by local interventional radiology (3 to 5 core samples requested at each biopsy timepoint) Patients meeting any one of these exclusion criteria will be prohibited from participating in this study: 1. Have New York Heart Association (NYHA) Class III or IV, cardiac disease, myocardial infarction within the past 6 months prior to Day 1, unstable arrhythmia, or evidence of ischemia on electrocardiogram (ECG) or during Cardiac Stress Testing within 14 days prior to Day 1 (Appendix C) 2. Have a corrected QT interval (QTcF, Fridericia's method) of >450 msec in men and >470 msec in women 3. Have a seizure disorders requiring anticonvulsant therapy 4. Presence of symptomatic central nervous system metastatic disease or disease that requires local therapy such as radiotherapy, surgery, or increasing dose of steroids within 2 weeks prior to Day 1 5. Have severe chronic obstructive pulmonary disease with hypoxemia (defined as resting O2 saturation of ≤88% breathing room air) 6. Have undergone major surgery, other than diagnostic surgery, within 2 weeks prior to Day 1 7. Have active, uncontrolled bacterial, viral, or fungal infections, requiring systemic therapy 8. Are pregnant or nursing 9. Received treatment with radiation therapy, surgery, chemotherapy, or investigational therapy within 28 days or 5 half lives, whichever occurs first, prior to study entry (6 weeks for nitrosoureas or Mitomycin C) a. This exclusion criterion is not applicable for patients with EGFR+ NSCLC or immunotherapy-resistant tumors who are enrolled in expansion cohorts at the MTD. 10. Are unwilling or unable to comply with procedures required in this protocol 11. Have known infection with human immunodeficiency virus (HIV), hepatitis B, or hepatitis C. Patients with history of chronic hepatitis that is currently not active are eligible 12. Have a serious nonmalignant disease (eg, hydronephrosis, liver failure, or other conditions) that could compromise protocol objectives in the opinion of the investigator and/or the sponsor 13. Are currently receiving any other investigational agent 14. Have exhibited allergic reactions to a similar structural compound, biological agent, or formulation 15. Have undergone significant surgery to the gastrointestinal tract that could impair absorption or that could result in short bowel syndrome with diarrhea due to malabsorption 16. Have a history of severe adverse reaction (eg, hypersensitivity reaction, anaphylaxis) to sulfonamides 17. Patients scheduled to receive immunotherapy or TKI regimens plus TP-0903 must not be currently taking high-dose steroids (ie, physiologic dose approximately equivalent to 15 mg/day of prednisone)

• Male and female subjects aged between 18-75 years
• Ability to understand and sign a written informed consent form (ICF)
• Histological evidence of NASH based on central reading of the Screening biopsy
• Subjects included in Part1 must have histopathological evidence of Stage 2 or 3 liver fibrosis per the NASH CRN System based on central reading of the Screening biopsy slides. Subjects newly randomized in Part 2 must have histological evidence of Stage 3 liver fibrosis per the NASH CRN System, based on central reading of the Screening period biopsy slides. Historical biopsy can be used, provided the criteria listed on Item 3a above are fulfilled.
• Females of childbearing potential and males participating in the study must agree to use at least 2 approved methods of contraception throughout the duration of the study and for 30 days after stopping study drug. Females who are postmenopausal must have documentation of cessation of menses for ≥ 12 months and serum follicle-stimulating hormone (FSH) ≥ 30 mU/mL at Screening.
• Inability to undergo a liver biopsy
• Hepatitis B surface antigen (HBsAg) positive
• Hepatitis C antibody (HCVAb) positive
• Human immunodeficiency virus (HIV)-1 or HIV-2 infection
• Prior or planned liver transplantation
• Other known causes of chronic liver disease
• History or presence of cirrhosis and/or hepatic decompensation including ascites, hepatic encephalopathy or variceal bleeding
• Alcohol consumption greater than 21 units/week for males or 14 units/week for females
• AST > 200 IU/L in males and females at Screening
• ALT > 250 IU/L in males and > 200 IU/L in females at Screening
• HbA1c > 10% at Screening
• Serum albumin < 3.5 g/dL at Screening
• Estimated glomerular filtration rate (eGFR) < 50 mL/min/1.73 m2 according to the Modification of Diet in Renal Disease (MDRD) equation
• Platelet count < 100,000/mm3
• Total bilirubin > 1.5 mg/dL
• International normalized ratio (INR) > 1.3
• Model of end stage liver disease (MELD) score > 12
• Weight reduction, defined as ≥ 7% of body weight, through bariatric surgery in the past 5 years or bariatric surgery planned during the conduct of the study (including gastric banding and sleeve surgery)
• History of malignancy within the past 5 years or ongoing malignancy other than basal cell carcinoma, or resected noninvasive cutaneous squamous cell carcinoma
• Active, serious infections that require parenteral antibiotic or antifungal therapy within 30 days prior to Screening Visit
• Clinically significant cardiovascular or cerebrovascular disease within the past 3 months
• Females who are pregnant or breastfeeding
• Current or anticipated treatment with radiation therapy, cytotoxic chemotherapeutic agents and immunomodulating agents (eg, interleukins, interferons, cyclosporine, tacrolimus) except for vaccines or short-term corticosteroids
• Receiving a glucagon-like peptide 1 (GLP-1) receptor agonist, a dipeptidyl peptidase 4 (DPP-4) inhibitor, a sodium-glucose cotransporter 2 (SGLT2) and/or SGLT1 inhibitor, or a thiazolidinedione (TZD) for less than 6 months prior to the Screening period liver biopsy. Subjects on a stable therapy with a GLP-1 receptor agonist, DPP-4 inhibitor, SGLT1 and/or SGLT2 inhibitor, or a TZD for at least 6 months prior to the Screening liver biopsy may be considered eligible. (Important Note: if a historical biopsy is to be used, subjects need to be on stable therapy for at least 6 months prior to the day historical liver biopsy was performed).

Part 1 Open-Label Extension:
• Patients previously enrolled in etrolizumab Phase III study GA29144 (NCT02394028) who meet the eligibility criteria for open-label etrolizumab as described in the protocol Part 2 Safety Monitoring:
• Patients who participated in etrolizumab Phase III study GA29144 (NCT02394028) and are not eligible or choose not to enter Part 1
• Patients who transfer from Part 1
• Completion of the 12-week safety follow-up period prior to entering Part 1 Open-Label Extension:
• Any new, significant, uncontrolled condition Part 2 Safety Monitoring:
• No exclusion criteria

• Informed consent obtained before any trial-related activities. Trial-related activities are any procedures that are carried out as part of the trial, including activities to determine suitability for the trial except for protocol described pre-screening activities which require a separate informed consent.
• Male or female, aged 18-75 years (both inclusive) (for Japan: male or female aged 20-75 years (both inclusive)) at the time of signing informed consent
• Local histological diagnosis of NASH followed by histological confirmation of NASH based on central pathologist evaluation of a liver biopsy obtained up to 21 weeks before screening
• Histologic evidence of NASH based on central pathologist evaluation of a liver biopsy obtained up to 21 weeks before screening.
• NASH fibrosis stage 1, 2 or 3 according to the NASH CRN fibrosis staging system based on central pathologist evaluation
• Known or suspected abuse of alcohol (above 20 g/day for women or above 30 g/day for men), alcohol dependence* or narcotics. (* = assessed by the Alcohol Use Disorders Identification Test (AUDIT questionnaire))
• Diagnosis of type 1 diabetes according to medical records
• HbA1c above 10% at screening
• History or presence of pancreatitis (acute or chronic)
• Calcitonin equal or above 50 ng/L at screening
• Family or personal history of multiple endocrine neoplasia type 2 or medullary thyroid carcinoma. Family is defined as a first degree relative
• Body Mass Index (BMI) ≤ 25.0 kg/sqm at the screening visit (visit 1)
• Female who is pregnant, breast-feeding or intends to become pregnant or is of childbearing potential and not using an adequate contraceptive method (adequate contraceptive measures as required by local regulation or practice)

Patient
• Self-identify as Hispanic/Latino
• Has been diagnosed with metastatic colorectal cancer (mCRC) OR locally advanced pancreatic cancer (LAPC) OR metastatic pancreatic cancer (mPC) AND is making a decision regarding treatment with 1st line palliative chemotherapy
• Treating oncologist has recommended consideration of one or more of the regimens for which we have developed chemotherapy educational (CEI) toolkits
• For mCRC: FOLFOX, FOLFOX + bevacizumab, FOLFIRI, FOLFIRI + bevacizumab
• For LAPC or mPC: FOLFIRINOX, Gemcitabine, or Gemcitabine + nab-paclitaxel
• Patients who are also considering treatment on a clinical trial of one of these regimens +/- an investigational agent would still be eligible, so long as the treating MD believes to the content of the CEI to be relevant to the trial regimen.
• Planning to receive treatment at the enrolling site
• Age ≥ 21
• English or Spanish proficient Caregiver
• Caregivers of eligible patient participants
• Age ≥ 21
• English or Spanish proficient
• For mCRC patients: Patients with oligometastatic disease who have a definitive plan for curative surgical resection are not eligible.
• Significant delirium/dementia as judged by the treating oncologist

1. Cytologically or histologically and radiologically confirmed solid tumor that is inoperable, locally advanced, metastatic, or recurrent:
• Dose-Escalation Stage:
• Subjects with UC (including renal pelvis, ureter, bladder, urethra) after prior platinum-based therapy, or
• Subjects with RCC (clear cell, non-clear cell histology) with or without prior systemic anticancer therapy
• Expansion Stage:
• Inoperable locally advanced or metastatic solid tumor (UC, RCC, CRPC, NSCLC, TNBC, OC, EC, HCC, GC/GEJC, CRC, H&N cancer, and DTC as outlined above) 2. Measurable disease per RECIST 1.1 as determined by the investigator. 3. Tumor tissue material available (archival or recent tumor biopsy) 4. Recovery to baseline or ≤ Grade 1 CTCAE v4 from toxicities related to any prior treatments, unless AE(s) are clinically nonsignificant and/or stable on supportive therapy. 5. Age eighteen years or older on the day of consent. 6. Eastern Cooperative Oncology Group (ECOG) Performance Status of 0 or 1. 7. Adequate organ and marrow function. 8. Sexually active fertile subjects and their partners must agree to use medically accepted methods of contraception. 9. Female subjects of childbearing potential must not be pregnant at screening. 1. Prior treatment with cabozantinib or immune checkpoint inhibitors including anti-CTLA-4, anti-PD-1, anti-PD-L1, or anti-PD-L2 therapy except in Expansion Cohorts 5, 7,19 and 20. Other restrictions regarding prior therapy may apply. 2. Known brain metastases or cranial epidural disease unless adequately treated and stable for at least 4 weeks before first dose of study treatment. 3. Concomitant anticoagulation with oral anticoagulants. 4. Subject is receiving systemic steroid therapy or any other form of immunosuppressive therapy within 2 weeks prior to first dose of study treatment. 5. Administration of a live, attenuated vaccine within 30 days before first dose of study treatment. 6. The subject has uncontrolled, significant intercurrent or recent illness, including, but not limited to, an active or history of autoimmune disease or immune deficiency; idiopathic pulmonary fibrosis, organizing pneumonia, pneumonitis; active infection requiring systemic treatment, infection with human immunodeficiency virus (HIV), AIDS-related illness, acute or chronic hepatitis B or C infection, positive test for tuberculosis, moderate to severe hepatic impairment (Child-Pugh B or C). 7. Pregnant or lactating females. 8. Previously identified allergy or hypersensitivity to components of the study treatment formulations. 9. Diagnosis of another malignancy within 2 years before first dose of study treatment.

• Written informed consent from participant's parent/guardian.
• Age 12-48 months of either sex, any race, any ethnicity.
• A peanut allergy diagnosis with a convincing clinical history of peanut allergy and a serum peanut-specific IgE [UniCAP] > 0.35 kUA/L AND a positive skin prick test to peanut (>3 mm than the negative control) OR are sensitized to peanut (based on a serum IgE [UniCAP] to peanut of > 5 kUA/L) AND a positive skin prick test to peanut (> 3 mm than the negative control) and no known history of ingestion of peanut.
• A positive DBPCFC to 1000 mg of peanut at enrollment.
• History of severe anaphylaxis to peanut, defined as hypoxia, hypotension, or neurologic compromise (cyanosis or SpO2 < 92% at any stage, hypotension, confusion, collapse or loss of consciousness).
• Participation in any interventional study for the treatment of food allergy in the past 6 months.
• Known oat, wheat, or glycerin allergy.
• Eosinophilic or other inflammatory (e.g. celiac) gastrointestinal disease.
• Severe asthma (2007 NHLBI Criteria Steps 5 or 6
•Appendix 2).
• Inability to discontinue antihistamines for skin testing and DBPCFCs.
• Use of omalizumab or other non-traditional forms of allergen immunotherapy (e.g., oral or sublingual) or immunomodulator therapy (not including corticosteroids) or biologic therapy within the past year.
• Use of beta-blockers (oral), angiotensin-converting enzyme (ACE) inhibitors, angiotensin-receptor blockers (ARB) or calcium channel blockers.
• Significant medical condition (e.g., liver, kidney, gastrointestinal, cardiovascular, hematologic, or pulmonary disease) which would make the subject unsuitable for induction of food reactions.

• Diagnosis of ulcerative colitis for greater than/equal to 3 months.
• Moderate to severe active ulcerative colitis
• Inadequate response to, loss of response to, or intolerance to at least one conventional therapy for UC.
• Pregnant or breastfeeding
• Clinical findings suggestive of Crohn's Disease
• History of bowel surgery within 6 months