Inclusion Criteria 1. Male or female at least 18 years of age and able to provide informed consent. 2. Histologically-confirmed diagnosis of CD20-positive DLBCL based on the WHO classification (2016); the diagnosis must be confirmed at the enrolling site. Subjects with high-grade B-cell lymphoma with MYC and BCL2 and/or BCL6 rearrangements and high-grade B-cell lymphoma, NOS are eligible. 3. Eastern Cooperative Oncology Group (ECOG) performance status of 0, 1 or 2. 4. International Prognostic Index (IPI) score of at least 3. 5. Estimated life expectancy of at least 12 weeks. 6. Adequate organ function as follows (within 14 days prior to randomization): 1. Hepatic: total bilirubin ≤1.5 times upper limit of normal (ULN); alanine transaminase (ALT) and aspartate transaminase (AST) ≤1.5 times ULN (<5 times ULN if liver involvement) 2. Renal: creatinine clearance of >50 mL/min by Cockcroft- Gault equation 3. Bone marrow: platelets ≥75 x 109/L, absolute neutrophil count (ANC) ≥1.5 x 109/L, hemoglobin ≥10 g/dL. (Platelets ≥50 x 109/L, ANC ≥1.0 x 109/L, hemoglobin ≥8 g/dL permitted if documented bone marrow involvement) 7. Male or female with reproductive potential, must be willing to use an approved contraceptive method (for example, intrauterine device (IUD), birth control pills, or barrier device) during and for 3 months after discontinuation of study treatment. Women of childbearing potential must have a negative serum pregnancy test within 7 days prior to randomization. 1. Men are considered of reproductive potential unless they have undergone a vasectomy and confirmed sterile by a post-vasectomy semen analysis. 2. Women are considered of reproductive potential unless they have undergone hysterectomy and/or surgical sterilization (at least 6 weeks following a bilateral oophorectomy, bilateral tubal ligation, or bilateral tubal occlusive procedure that has been confirmed in accordance with the device's label) or achieved postmenopausal status (defined as cessation of regular menses for greater than 12 consecutive months in women at least 45 years of age). 8. Left ventricular ejection fraction ≥50% by echocardiography or nuclear medicine multi-gated scan. 9. Must be able to swallow tablets. 10. Must be able to comply with study protocol procedures. 11. Willing to consent to have blood stored for possible future biomarker and disease analysis. 12. Must have available and willing to submit pre-systemic treatment DLBCL tumor biopsy tissue/slides for central pathology review. Exclusion Criteria 1. Received treatment with an investigational drug within the last 30 days. 2. Receiving or has received radiation or any other systemic anticancer treatment for lymphoma (Up to 7 days of corticosteroids are permitted but must be administered after eligibility IPI determination and imaging scans). 3. History of indolent lymphoma or follicular Grade 3b lymphoma. 4. Primary mediastinal (thymic) large B-cell lymphoma. 5. B-cell lymphoma, unclassifiable, with features. intermediate between DLBCL and classical Hodgkin lymphoma. 6. Burkitt lymphoma. 7. Pregnancy or breastfeeding. 8. Known central nervous system (CNS) involvement. 9. Any significant concomitant disorder based on the discretion of the investigator, including but not limited to active bacterial, fungal, or viral infection, incompatible with participation in the study. 10. A second primary malignancy (except adequately treated non-melanoma skin cancer); subjects who have had another malignancy in the past, but have been disease-free for more than 5 years, and subjects who have had a localized malignancy treated with curative intent and disease free for more than 2 years are eligible. 11. Use of a strong inducer or moderate or strong inhibitor of CYP3A4 within 7 days prior to start of study therapy or expected requirement for use on study therapy. 12. Personal or immediate family history of long QT syndrome, QTc interval >450 msec (males) or >470 msec (females) at screening (recommended that QTc be calculated using Fridericia correction formula, QTcF: see Section 6.2.1), or a history of unexplained syncope. 13. Use of any medication that can prolong the QT/QTc interval within 7 days prior to start of study therapy or expected requirement for use on study therapy. 14. History of severe allergic or anaphylactic reaction to monoclonal antibody therapy. 15. Confirmed diagnosis of progressive multifocal leukoencephalopathy. 16. Ongoing grade 2 or higher peripheral neuropathy. 17. Have any of the following cardiac disorders: uncontrolled hypertension, unstable angina, myocardial infarction within 8 weeks of Day1, NYHA Grade 2 or higher congestive heart failure, ventricular arrhythmia requiring medication within 1 year of Day 1, NYHA Grade 2 or higher peripheral vascular disease. 18. Received a live vaccine within 28 days of study Day 1. 19. HIV positive. 20. Evidence of chronic hepatitis C infection as indicated by antibody to HCV with positive HCV-RNA. 21. Evidence of chronic hepatitis B infection as indicated by either: 1. HBsAg+ or 2. HBcAb+ with HBV-DNA+ (any detectable amount is considered positive)

1. Written informed consent must be obtained prior to any procedures. 2. Male or female participant aged 18 years or older. (16 years or older at US based sites) 3. Pathologic diagnosis of classical Hodgkin lymphoma (cHL). 4. Patients with relapsed or refractory cHL, who have received at least 3 prior lines of systemic therapy (or at least 2 prior lines in HSCT ineligible patients) including brentuximab vedotin and a checkpoint inhibitor approved for cHL (e.g., nivolumab or pembrolizumab). Note 1: Receipt of HSCT to be included in the number of prior therapies needed to meet eligibility. 5. Measurable disease as defined by the 2014 Lugano Classification. 6. Availability of formalin-fixed paraffin-embedded (FFPE) tumor tissue block (or minimum 10 freshly cut unstained slides if block is not available). Note 1: Any biopsy since initial diagnosis is acceptable, but if several samples are available, the most recent sample is preferred. Note 2: If a sufficient amount of tissue is not available, a fresh biopsy may be taken, provided the procedure is not deemed high-risk and is clinically feasible, and provided it is approved locally. 7. Eastern Cooperative Oncology Group (ECOG) performance status 0-2. 8. Adequate organ function as defined by Screening laboratory values within the following parameters: 1. Absolute neutrophil count (ANC) ≥ 1.0 × 103/μL (off growth factors at least 72 h). 2. Platelet count ≥ 75 × 103/μL without transfusion in the past 2 weeks. 3. ALT, AST, or GGT ≤ 2.5 × the upper limit of normal (ULN) if there is no liver involvement; ALT or AST ≤ 5 × ULN if there is liver involvement. 4. Total bilirubin ≤ 1.5 × ULN (participants with known Gilbert's syndrome may have a total bilirubin up to ≤ 3 × ULN with direct bilirubin ≤ 1.5 × ULN). 5. Blood creatinine ≤ 3.0 × ULN or calculated creatinine clearance ≥ 30 mL/min by the Cockcroft-Gault equation. Note: A laboratory assessment may be repeated a maximum of two times during the Screening Period to confirm eligibility. 9. Negative beta-human chorionic gonadotropin (β-HCG) pregnancy test within 7 days prior to start of study drug for women of childbearing potential. 10. Women of childbearing potential (WOCBP) must agree to use a highly effective method of contraception from the time of giving informed consent until at least 6.5 months after the last dose of Camidanlumab Tesirine. Men with female partners who are of childbearing potential must agree to use a highly effective method of contraception from the time of giving informed consent until at least 16 weeks after the participants receives his last dose of Camidanlumab Tesirine. 1. Previous treatment with Camidanlumab Tesirine. 2. Participation in another investigational interventional study. Being in follow-up of another investigational study is allowed. 3. Known history of hypersensitivity to or positive serum human anti-drug antibody (ADA) to a CD25 antibody. 4. Allogenic or autologous transplant within 60 days prior to start of study drug. 5. Active graft-versus-host disease (GVHD), except for non-neurologic symptoms as a manifestation of mild (≤ Grade 1) chronic GVHD. 6. Post-transplantation lymphoproliferative disorders. 7. Active second primary malignancy other than non-melanoma skin cancers, non-metastatic prostate cancer, in situ cervical cancer, ductal or lobular carcinoma in situ of the breast, or other malignancy that the Sponsor's medical monitor and Investigator agree and document should not be exclusionary. 8. History of symptomatic autoimmune disease (e.g., rheumatoid arthritis, systemic progressive sclerosis [scleroderma], systemic lupus erythematosus, Sjögren's syndrome, autoimmune vasculitis [e.g., Wegener's granulomatosis]) (subjects with vitiligo, type 1 diabetes mellitus, residual hypothyroidism, hypophysitis due to autoimmune condition only requiring hormone replacement may be enrolled). 9. History of neuropathy considered of autoimmune origin (e.g., polyradiculopathy including Guillain-Barré syndrome and myasthenia gravis) or other central nervous system autoimmune disease (e.g., poliomyelitis, multiple sclerosis). 10. History of recent infection (within 4 weeks of Cycle 1, Day 1 [C1D1]) considered to be caused by one of the following pathogens: HSV1, HSV2, VZV, EBV, CMV, measles, Influenza A, Zika virus, Chikungunya virus, mycoplasma pneumonia, Campylobacter jejuni, or enterovirus D68, or severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Note: An influenza test and a pathogendirected SARS CoV-2 test (such as polymerase chain reaction) are mandatory and must be negative before initiating study treatment (tests to be performed 3 days or less prior to dosing on C1D1; an additional 2 days are allowed in the event of logistical issues for receiving the results on time). 11. Participants known to be or having been infected with human immunodeficiency (HIV) virus, hepatitis B virus (HBV), or hepatitis C virus (HCV), and require anti-viral therapy or prophylaxis. Note: Serology testing is mandatory for patients with unknown status. 12. History of Stevens-Johnson syndrome or toxic epidermal necrolysis. 13. Failure to recover ≤ Grade 1 (Common Terminology Criteria for Adverse Events version 4.0 [CTCAE v4.0]) from acute non-hematologic toxicity (except ≤ Grade 2 neuropathy or alopecia), due to previous therapy, prior to screening. 14. Hodgkin lymphoma (HL) with central nervous system involvement, including leptomeningeal disease. 15. Clinically significant third space fluid accumulation (i.e., ascites requiring drainage or pleural effusion that is either requiring drainage or associated with shortness of breath). 16. Breastfeeding or pregnant. 17. Significant medical comorbidities, including uncontrolled hypertension (blood pressure [BP] ≥ 160/100 mmHg repeatedly), unstable angina, congestive heart failure (greater than New York Heart Association class II), electrocardiographic evidence of acute ischemia, coronary angioplasty or myocardial infarction within 3 months prior to screening, severe uncontrolled atrial or ventricular cardiac arrhythmia, poorly controlled diabetes, or severe chronic pulmonary disease. 18. Major surgery, radiotherapy, chemotherapy, or other anti-neoplastic therapy, within 14 days prior to start of study drug, except shorter if approved by the Sponsor. 19. Use of any other experimental medication within 30 days prior to start of study drug. 20. Any live vaccine within 4 weeks prior to start of study drug and planned live vaccine administration after starting study drug. 21. Congenital long QT (measure between Q wave and T wave in the electrocardiogram) syndrome, or a corrected QTc interval of ≥ 480 ms, at screening (unless secondary to pacemaker or bundle branch block). 22. Any other significant medical illness, abnormality, or condition that would, in the Investigator's judgment, make the participants inappropriate for study participation or put the participant at risk.

Key 1. For NHL patients: Age ≥18 years. For B cell ALL patients: age ≥18 years to ≤70 years 2. Refractory or relapsed non-Hodgkin lymphoma, as evidenced by 2 or more lines of prior therapy, or histologically confirmed B cell ALL, refractory or relapsed. 3. Eastern Cooperative Oncology Group performance status 0 or 1. 4. Adequate renal, liver, cardiac and pulmonary organ function 5. Female subjects of childbearing potential and male subjects must agree to use acceptable method(s) of contraception from enrollment through at least 12 months after CTX110 infusion. 6. Agree to participate in an additional long-term follow-up study after completion of this study. Key 1. Treatment with any gene therapy or genetically modified cell therapy, including CAR T cells. 2. For NHL patients: prior allogeneic HSCT. For B cell ALL patients: prior allogeneic HSCT within 6 months, and/or any evidence of GvHD. 3. History of central nervous system (CNS) involvement by malignancy 4. History of a seizure disorder, cerebrovascular ischemia/hemorrhage, dementia, cerebellar disease, or any autoimmune disease with CNS involvement. 5. Presence of bacterial, viral, or fungal infection that is uncontrolled or requires IV anti-infectives. 6. Active HIV, hepatitis B virus or hepatitis C virus infection. 7. Previous or concurrent malignancy, except basal cell or squamous cell skin carcinoma, adequately resected and in situ carcinoma of cervix, or a previous malignancy that was completely resected and has been in remission for ≥5 years. 8. For NHL patients: Use of systemic anti-tumor therapy or investigational agent within 14 days or 5 half-lives, whichever is longer, of enrollment. For B cell ALL patients: Use of systemic antitumor therapy within 7 days of enrollment. 9. Primary immunodeficiency disorder or active autoimmune disease requiring steroids and/or other immunosuppressive therapy. 10. Women who are pregnant or breastfeeding.

• Group 1: Must have newly diagnosed, pathologically confirmed cHL at Stages IA, IB and IIA without bulky disease. Group 2: Must have newly diagnosed, pathologically confirmed cHL at Stages IIEB, IIIEA,IIIEB, IIIB, IVA and IVB
• Has measurable disease per investigator assessment
• Male participants must agree to use approved contraception during the treatment period and for at least 120 days (or longer, if required by the drug label of chemotherapy received by the participant on study) after the last dose of study treatment and refrain from donating sperm during this period
• Female participants who are not pregnant or breastfeeding, and who are either not a woman of childbearing potential (WOCBP), or are a WOCBP who agrees to use approved contraception during the treatment period and for at least 120 days (or longer, if required by the drug label of chemotherapy received by the participant on study) after the last dose of study treatment
• Performance status: Lansky Play-Performance Scale ≥50 for children up to and including 16 years of age OR Karnofsky score ≥50 for participants >16 years of age
• Has adequate organ function
• Has undergone solid organ transplant at any time, or prior allogeneic hematopoietic stem cell transplantation within the last 5 years
• WOCBP who has a positive urine pregnancy test within 72 hours before the first dose of study treatment
• Baseline left ventricular ejection fraction value <50% or shortening fraction of <27%
• Has received prior therapy with an anti-Programmed Death (PD)-1, anti-Programmed Death-Ligand 1 (PD-L1), or anti-PD-L2 agent or with an agent directed to another co-inhibitory T-cell receptor or has previously participated in a Merck pembrolizumab (MK-3475) clinical study
• Has received any prior anti-cancer therapy, monoclonal antibody, chemotherapy, or an investigational agent or device before the first dose of study treatment, or has not recovered from AEs due to previously administered agents
• Has received a live vaccine within 30 days prior to the first dose of pembrolizumab
• Is currently participating in or has participated in a study of an investigational agent or has used an investigational device within 4 weeks prior to the first dose of study treatment
• Has a diagnosis of lymphocyte-predominant Hodgkin Lymphoma (HL)
• Has a diagnosis of immunodeficiency or is receiving chronic systemic steroid therapy or any other form of immunosuppressive therapy within 7 days prior to the first dose of pembrolizumab
• Has a known additional malignancy that is progressing or requires active treatment
• Has radiographically detectable central nervous system metastases and/or carcinomatous meningitis as assessed by local site investigator at the time of diagnosis
• Has severe hypersensitivity (≥Grade 3) to any study therapies including any excipients
• Has an active autoimmune disease that has required systemic treatment in past 2 years
• Has a history of (non-infectious) pneumonitis that required steroids or has current pneumonitis
• Has an active infection requiring systemic therapy
• Has a known history of human immunodeficiency virus (HIV) infection
• Has a known history of Hepatitis B or known active Hepatitis C virus infection
• Has a known history of active tuberculosis
• Has a history or current evidence of any condition, therapy, or laboratory abnormality that might confound the results of the study, interfere with the participant's participation for the full duration of the study, or is not in the best interest of the participant to participate, in the opinion of the treating investigator
• Has known psychiatric or substance abuse disorders that would interfere with cooperating with the requirements of the study
• Is pregnant or breastfeeding or expecting to conceive or father children within the projected duration of the trial, starting with the screening visit through 120 days (or longer, if required by the drug label of chemotherapy received by the participant on study) after the last dose of trial treatment

• Men and women ≥ 18 years of age.
• Part 1: A confirmed diagnosis of FL Grade 1, 2, or 3a, which has relapsed after, or been refractory to ≥ 1 prior therapy for FL, or subjects who have not previously received systemic anticancer therapy for FL., and which requires treatment.
• Part 2:Histologically confirmed MZL including splenic, nodal, and extranodal sub- types 1. Subjects with splenic MZL must have an additional measurable lesion, nodal or extranodal, as described in inclusion criterion #4; 2. Subjects with gastric mucosa-associated lymphoid tissue (MALT) lymphoma must be Helicobacter pylori (HP)-negative
• Part 3: For subjects with FL: Pathologically confirmed diagnosis of FL Grade 1, 2, or 3a, which has relapsed after, or been refractory to ≥ 1 prior therapy for FL and which requires treatment per National Cancer Institute or ESMO clinical practice guidelines.
• Eastern Cooperative Oncology Group (ECOG) performance status of ≤ 2.
• Agreement to use contraception during the study and for 30 days after the last dose of study drugs if sexually active and able to bear or beget children.
• •A life-threatening illness, medical condition or organ system dysfunction which, in the investigator's opinion, could compromise the subject's safety, interfere with the absorption or metabolism of acalabrutinib, or put the study outcomes at undue risk
• Significant cardiovascular disease such as uncontrolled or symptomatic arrhythmias, congestive heart failure, or myocardial infarction within 6 months of screening, or any Class 3 or 4 cardiac disease as defined by the New York Heart Association Functional Classification, or Qtc >480 msec
• Malabsorption syndrome, disease significantly affecting gastrointestinal function, or resection of the stomach or small bowel, gastric bypass, symptomatic inflammatory bowel disease, or partial or complete bowel obstruction.
• Breast feeding or pregnant

• Histologically confirmed diagnosis of follicular lymphoma CD20+ (Grade 1, 2 or 3a) Ann Arbor Stage II, III or IV disease.
• Measurable disease
• Subjects 70 years of age or older; OR subjects 60-69 years of age who have one or more comorbidities.
• Meets one or more Groupe d'Etude des Lymphomes Folliculaire (GELF) criteria.
• Adequate hematologic function within protocol-defined parameters.
• Adequate hepatic and renal function within protocol-defined parameters.
• ECOG performance status score of 0-2.
• Transformed lymphoma
• Prior treatment for follicular lymphoma
• Central nervous system lymphoma or leptomeningeal disease
• Currently active, clinically significant cardiovascular disease

1. Age ≥ 18 years. 2. Eastern Cooperative Oncology Group (ECOG) performance status ≤ 2 at screening (See Section 13, Appendix A). 3. Biopsy-proven histological high-grade non-Hodgkin lymphoma, such as diffuse large B-cell lymphoma (DLBCL), primary mediastinal B-cell lymphoma (PMBCL), or transformed follicular lymphoma. 4. Prior treatment with any CD19-directed CAR T-cell therapy, such as tisagenlecleucel (tisa-cel, Kymriah), axicabtagene ciloleucel (axi-cel, Yescarta), or lisocabtagene maraleucel (liso-cel). 5. Incomplete response noted on day 30 PET post-CAR-T, defined as not achieving CR per Lugano 2014 classification37. 6. Ability to understand and the willingness to sign a written informed consent 7. All men, as well as women of child-bearing potential must agree to use adequate contraception (hormonal or barrier method of birth control; abstinence) prior to study entry, for the duration of study participation, and for 90 days following completion of therapy. Should a woman become pregnant or suspect she is pregnant while participating in this study, she should inform her treating physician immediately. 7.1 A female of child-bearing potential is any woman (regardless of sexual orientation, marital status, 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). 1. Prior radiation therapy to one or more sites of incomplete response as noted on day 30 post-CAR-T PET/CT scan within the past one year. 2. Intracranial site of incomplete response as noted on day 30 post-CAR-T PET/CT scan or any active central nervous system involvement by malignancy. 3. Active grade 3 or higher CRS or neurotoxicity related to CAR-T. 4. Patients with prior history of auto-immune disease or other contraindication to RT. 5. Patients with life expectancy < 3 months. 6. Psychiatric illness/social situations that would limit compliance with study requirements. 7. Subjects must not be pregnant or nursing due to the potential for congenital abnormalities and the potential of this regimen to harm nursing infants. 8. 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, in the opinion of the investigator, would limit compliance with study requirements.

• Confirmation of relapsed or refractory aggressive B-cell non-Hodgkin lymphoma of the following histology at relapse: diffuse large B-cell lymphoma (DLBCL), not otherwise specified (NOS; de novo or transformed follicular lymphoma [tFL]), high-grade B-cell lymphoma with MYC and BCL2 and/or BCL6 rearrangements with DLBCL histology (double/triple hit lymphoma [DHL/THL]), and follicular lymphoma Grade 3B per WHO 2016 classification
• Previous treatment must include treatment with a single line of chemoimmunotherapy containing an anthracycline and a CD20-targeted agent
• Subjects must be deemed ineligible for both high-dose chemotherapy and hematopoietic stem cell transplant (based on age, performance status and/or comorbidities) while also having adequate organ function for CAR T cell treatment.
• Positron emission tomography (PET)-positive disease
• Histological confirmation of diagnosis at last relapse. Enough tumor material must be available for central confirmation of diagnosis, otherwise a new tumor biopsy is mandated.
• ECOG performance status of 0, or 1, or 2
• Adequate vascular access for leukapheresis procedure (either peripheral line or surgically-placed line)
• Subjects must agree to use appropriate contraception
• Subjects must agree to not donate blood, organs, semen, and egg cells for usage in other individuals for at least 1 year following lymphodepleting chemotherapy
• Subjects with central nervous system (CNS)-only involvement by malignancy (note: subjects with secondary CNS involvement are allowed on study)
• History of another primary malignancy that has not been in remission for at least 2 years.
• Previous treatment with CD19-targeted therapy, with the exception of prior lisocabtagene maraleucel treatment in this protocol for subjects receiving retreatment
• Active hepatitis B or hepatitis C infection at the time of screening
• History of or active human immunodeficiency virus (HIV) infection at the time of screening
• Uncontrolled systemic fungal, bacterial, viral or other infection despite appropriate antibiotics or other treatment at the time of leukapheresis or lisocabtagene maraleucel administration
• History of any one of the following cardiovascular conditions within the past 6 months: Class III or IV heart failure as defined by the New York Heart Association, cardiac angioplasty or stenting, myocardial infarction, unstable angina, or other clinically significant cardiac disease
• History or presence of clinically relevant CNS pathology
• Pregnant or nursing women
• Subject does not meet protocol-specified washout periods for prior treatments
• Prior hematopoietic stem cell transplant
• Progressive vascular tumor invasion, thrombosis, or embolism
• Venous thrombosis or embolism not managed on stable regimen of anticoagulation
• Uncontrolled medical, psychological, familial, sociological, or geographical conditions

For more information regarding Bristol-Myers Squibb Clinical Trial participation, please visit www.BMSStudyConnect.com
• Classic Hodgkin Lymphoma (cHL), relapsed or refractory
• Minimal limitation on activities of daily living as measured by Karnofsky ≥ 50 for participants > 16 years of age or Lansky ≥ 50 for participants ≤ 16 years of age.
• One prior anti-cancer therapy that did not work
• Active, known, or suspected autoimmune disease or infection
• Active cerebral/meningeal disease related to the underlying malignancy
• More than one line of anti-cancer therapy or no treatment at all
• Received a stem cell transplant for Hodgkin Lymphoma and/or a solid organ transplant
• Prior treatment with any drug that targets T cell co-stimulation pathways (such as checkpoint inhibitors) Other protocol defined inclusion/exclusion criteria could apply

• Histologically confirmed pediatric mature B-cell non-Hodgkin lymphoma (B-cell NHL) including the following subtypes; Burkitt lymphoma/ Burkitt leukemia (BL), diffuse large B-cell lymphoma (DLBCL), primary mediastinal B-cell lymphoma (PMBCL), gray zone lymphoma (GZL), and follicular lymphoma (FL) Note: Patients with B-cell NHL associated with Nijmegen breakage syndrome will be allowed.
• Patients <25 years of age and weighing at least 6 kg at the time of screening
• Patients who have relapsed after one or more prior therapies (can include allogeneic and autologous hematopoietic stem cell transplant) or are primary refractory (have not achieved a CR or PR after the first line of therapy)
• Measurable disease by radiological criteria in all patients at the time of screening. Patients with Burkitt leukemia who don't meet radiological criteria must have bone marrow involvement of >25% by local assessment of bone marrow aspirate and/or biopsy.
• Karnofsky (age ≥16 years) or Lansky (age <16 years) performance status ≥60.
• Adequate bone marrow reserve without transfusions (transfusion >2 weeks prior to laboratory assessment is allowed) defined as: 1. Absolute neutrophil count (ANC) >1000/mm3 2. Platelets ≥50000//mm3 3. Hemoglobin ≥8.0 g/dl
• Adequate organ function defined as: 1. a serum creatinine (sCR) based on gender/age as follows: Maximum Serum Creatinine (mg/dL) Age Male Female 1 to <2 years 0.6 0.6 2 to <6 years 0.8 0.8 6 to <10 years 1.0 1.0 10 to <13 years 1.2 1.2 13 to <16 years 1.5 1.4 ≥16 years 1.7 1.4 2. Aspartate aminotransferase (AST) and alanine aminotransferase (ALT) ≤5 times the upper limit of normal (ULN) for age 3. Total bilirubin <2 mg/dL (for Gilbert's Syndrome patients total bilirubin <4 mg/dL) 4. Adequate pulmonary function i. Oxygen saturation of >91% on room air ii. No or mild dyspnea (≤Grade 1)
• Must have a leukapheresis material of non-mobilized cells accepted for manufacturing.
• Prior gene therapy or engineered T cell therapy.
• Prior treatment with any anti-CD19 therapy.
• Allogeneic hematopoietic stem cell transplant (HSCT) <3 months prior to screening and ≤4 months prior to infusion.
• Presence of grade 2 to 4 acute or extensive chronic graft-versus-host disease (GVHD) in patients who received prior allogeneic HSCT.
• Prior diagnosis of malignancy other than study indication, and not disease free for 5 years.
• Clinically significant active infection confirmed by clinical evidence, imaging, or positive laboratory tests (e.g., blood cultures, PCR for DNA/RNA, etc.)
• Presence of active hepatitis B or C as indicated by serology.
• Human Immunodeficiency Virus (HIV) positive test.
• Active neurological autoimmune or inflammatory disorders not related to B cell NHL (eg: Guillain-Barre syndrome, Amyotrophic Lateral Sclerosis)
• Active central nervous system (CNS) involvement by malignancy.
• Patients with B-cell NHL in the context of post-transplant lymphoproliferative disorders (PTLD) associated lymphomas. Other protocol-defined inclusion/exclusion criteria may apply.

Inclusion Criteria Each prospective subject must meet ALL of the following inclusion criteria in order to be eligible for this study: 1. Signed written informed consent granted prior to initiation of any study-specific procedures. 2. 18 years of age and older. 3. For the dose escalation cohorts, relapsed or refractory subjects with a diagnosis of B-cell NHL, CLL/SLL and WM who have received at least two prior systemic therapies . Subjects must have failed or are intolerant to standard therapies and cannot be a candidate for standard salvage regimens. Subjects with low grade lymphoma must be progressing and requiring treatment.. 4. For the expansion cohorts, the following criteria must be met:
• Cohort A: Relapsed/Refractory (R/R) CLL/SLL subjects with at least 2 prior systemic therapies and previously treated with a covalent BTKi who must have a documented BTK mutation on C481 residue
• Cohort B: R/R CLL/SLL subjects who have failed or were intolerant to a BTKi with documentation of the absence of BTK mutation on C481 residue. In this study, intolerance to standard therapy is defined as having experienced a grade 3 or higher adverse event that was caused by the standard therapy and resulted in treatment discontinuation.
• Cohort C: Richter's transformation subjects who have failed at least one prior therapy
• Cohort D: Follicular Lymphoma (FL) subjects who have failed at least 2 prior systemic therapies and are histology grade 1, 2, or 3A
• Cohort E: Mantle Cell Lymphoma (MCL) subjects who have failed at least 2 prior systemic therapies
• Cohort F: Marginal Zone Lymphoma (MZL) subjects who have failed at least 2 prior systemic therapies
• Cohort G: High-grade B-cell lymphoma subjects who have failed at least 2 prior systemic therapies and have known MYC and BCL2 and/or BCL6 translocations
• Cohort H: Waldenström macroglobulinemia (WM) subjects who have failed at least 2 prior systemic therapies 5. Disease status requirement: 1. For CLL subjects, symptomatic disease that mandates treatment (Hallek et al. 2018). 2. For B-cell NHL subjects, measurable disease by imaging scan. 3. For WM, serum immunoglobulin M (IgM) with a minimum IgM level of ≥ 2 times the upper limit of normal (ULN). 6. Eastern Cooperative Oncology Group (ECOG) performance status of 0-2. 7. Good organ function 1. Creatinine clearance of ≥ 60 mL/min as estimated by the Cockcroft-Gault equation or by 24-hour urine collection. 2. Total bilirubin ≤ 1.5 x institutional ULN (total bilirubin of ≤ 3 x institutional ULN in subjects with documented Gilbert's syndrome). 3. Aspartate aminotransferase (AST) and alanine aminotransferase (ALT) ≤ 2.5 × institutional ULN. 4. Platelet count ≥ 50,000/µL 5. Absolute neutrophil count (ANC) ≥ 1000/µL. 6. Hemoglobin (Hgb) ≥ 8.0 g/dL, stable for ≥ 1 week. 8. For men and women of child-bearing potential, willing to use adequate contraception (e.g., latex condom, cervical cap, diaphragm, abstinence, etc.) for the entire duration of the study. 9. Female subjects of child-bearing potential must have a negative serum pregnancy test within 14 days of the first day of drug dosing. 10. Ability to swallow oral medications without difficulty. Exclusion Criteria Potential subjects who meet ANY of the following exclusion criteria are not eligible for enrollment into this study: 11. Had immunotherapy, radiotherapy, radioimmunotherapy, biological therapy, chemotherapy, or treatment with an investigational product within 5 half-lives or four weeks (whichever is shorter) prior to treatment initiation, or oral therapy within 5 half-lives or one week (whichever is shorter) prior to treatment initiation. 12. Transformation of FL to a more aggressive subtype of lymphoma or grade 3b FL 13. Subjects currently being treated with the following drugs: 1. CYP 2C9 substrates with a narrow therapeutic index (such as warfarin, phenytoin) 2. CYP 2C8 substrates with a narrow therapeutic index (such as paclitaxel) 3. CYP 2C19 substrates with a narrow therapeutic index (such as S-mephenytoin) 4. CYP 2D6 substrates with a narrow therapeutic index (such as thioridazine, pimozide) 5. P-gp substrates with a narrow therapeutic index (such as digoxin) Note: A washout period of at least 5 times the half-life after the last dose of any of the above treatments is required for a subject to be eligible for study enrollment. 14. Prior allogeneic bone marrow transplant. 15. Active central nervous system (CNS) involvement. 16. Pregnant or breast-feeding women. 17. Has significant, ongoing co-morbid conditions which would preclude safe delivery of the study drug. 18. Uncontrolled illness including but not limited to ongoing or active infection, symptomatic congestive heart failure (New York Heart Association [NYHA] Class III or IV heart failure), unstable angina pectoris, cardiac arrhythmia, cardiac infarction in the past six months, and psychiatric illness that would limit compliance with study requirements. 19. QTc prolongation (defined as a QTc > 450 msecs) or other significant electrocardiogram (ECG) abnormalities including 2nd degree atrioventricular (AV) block type II, 3rd degree AV block, or bradycardia (ventricular rate less than 50 beats/min). If the screening ECG has a QTc > 450 msecs, the ECG can be submitted for a centralized, cardiologic evaluation. 20. Active human immunodeficiency virus (HIV) infection, Hepatitis B, or Hepatitis C infection. 21. Other medical or psychiatric illness or organ dysfunction which, in the opinion of the Investigator, would either compromise the subject's safety or interfere with the evaluation of the safety of the study agent. 22. History of prior cancer within < 1 year, except for basal cell or squamous cell carcinoma of the skin, cervical cancer in situ or other in situ carcinomas.

Main Inclusion Criteria Escalation Part
• Documented CD20+ mature B-cell neoplasm 1. Diffuse large B-cell lymphoma
•de novo or transformed 2. High-grade B-cell lymphoma 3. Primary mediastinal large B-cell lymphoma 4. Follicular lymphoma 5. Mantle cell lymphoma 6. Small lymphocytic lymphoma 7. Marginal zone lymphoma (nodal, extranodal or mucosa associated)
• Relapsed, progressive and/or refractory disease following treatment with an anti-CD20 monoclonal antibody (e.g. rituximab) potentially in combination with chemotherapy and/or relapsed after autologous stem cell rescue.
• ECOG performance status 0,1 or 2
• Patients must have measurable disease by CT, MRI or PET-CT scan
• Acceptable renal function
• Acceptable liver function Main Inclusion Criteria Expansion Part
• Documented CD20 positive mature B cell neoplasm or CD20+ MCL
• Diffuse large B cell lymphoma, de novo or transformed (including double hit or triple hit)
• Primary mediastinal large B cell lymphoma
• Follicular lymphoma grade 3B
• Histologic confirmed follicular lymphoma
• Marginal zone lymphomas
• Small lymphocytic lymphoma
• Mantle Cell Lymphoma (prior BTKi or intolerant to BTKi)
• At least 2 therapies including an anti CD20 monoclonal antibody containing chemotherapy combination regimen
• Either failed prior autologous hematopoietic stem cell transplantation or ineligible for autologous stem cell transplantation due to age or comorbidities
• At least 1 measurable site of disease based on CT, MRI or PET-CT scan with involvement of 2 or more clearly demarcated lesions and or nodes

1. Be at least 18 years of age. 2. Must sign an informed consent form prior to any screening procedures. 3. Has histologically or cytologically confirmed relapsed and/or refractory B-cell NHL with no available standard therapy or is not a candidate for available standard therapy, and for whom, in the opinion of the investigator, experimental therapy with GEN3009 may be beneficial. All subjects must have received at least two prior lines of systemic therapy. 4. Has one of the specified subtypes for B-cell NHL for the Dose Escalation and Dose Expansion parts of the study. 5. Has measurable disease for B-cell NHL or has active disease for Chronic Lymphocytic Leukemia (CLL). 6. Eastern Cooperative Oncology Group (ECOG) performance status of 0-1. 7. Has adequate hepatic, renal, and bone marrow functions. 8. Before the first dose of GEN3009, during the trial, and for 12 months after the last dose of GEN3009, a woman must be either not of childbearing potential or of childbearing potential and practicing a highly effective method of birth control, and must have a negative serum beta-human chorionic gonadotropin (beta-hCG) and urine pregnancy test at screening. 9. A man who is sexually active with a woman of childbearing potential and has not had a vasectomy must agree to use a barrier method of birth control. 1. Prior treatment with a CD37-targeting agent. 2. Prior allogeneic Hematopoietic Stem Cell Transplantation (HSCT). 3. Autologous HSCT within 3 months before the first dose of GEN3009. 4. Treatment with an anti-cancer biologic including anti-CD20 therapy, radio-conjugated or toxin-conjugated antibody or chimeric antigen receptor (CAR) T-cell therapy within 4 weeks or 5 half-lives, whichever is shorter, before the first dose of GEN3009. 5. Chemotherapy or radiation therapy within 2 weeks of the first dose of GEN3009. 6. Treatment with an investigational drug or an invasive investigational medical device within 4 weeks or 5 half-lives, whichever is shorter, prior to the first dose of GEN3009. 7. Autoimmune disease or other diseases that require permanent or high-dose immunosuppressive therapy. 8. Received a cumulative dose of corticosteroids more than the equivalent of 250 mg of prednisone within the 2-week period before the first dose of GEN3009. 9. Has uncontrolled intercurrent illness. 10. Toxicities from previous anti-cancer therapies have not resolved to baseline levels or to Grade 1 or less except for alopecia and peripheral neuropathy. 11. Primary central nervous system (CNS) lymphoma or known CNS involvement at screening. 12. Known past or current malignancy other than inclusion diagnosis, 13. Has had major surgery within 3 weeks before screening or will not have fully recovered from surgery, or has major surgery planned during the time the subject is expected to participate in the trial (or within 4 weeks after the last dose of GEN3009). 14. Known history/positive serology for hepatitis B. 15. Known medical history or ongoing hepatitis C infection that has not been cured. 16. HIV tested positive at screening. 17. Is a woman who is pregnant or breast-feeding, or who is planning to become pregnant while enrolled in this trial or within 12 months after the last dose of GEN3009. 18. Is a man who plans to father a child while enrolled in this trial or within 12 months after the last dose of GEN3009.

Inclusion Criteria MEI-401 Alone:
• Diagnosis of relapsed/refractory CLL and/or relapsed/refractory SLL or FL
• No prior therapy with PI3Kd inhibitors
• No prior therapy with Bruton tyrosine kinase (BTK) inhibitors unless the subject was intolerant of BTK therapy or subject had disease progression
• Subjects with CLL/SLL must have prior treatment with BTK inhibitor and must have had progression or recurrence while on treatment of within 12 mos from BTK treatment
• Subject must have failed at least 1 prior systemic therapy
• QT-interval corrected according to Fridericia's formula (QTcF) ≤ 450 milliseconds (ms)
• Left ventricular ejection fraction > 50%
• For subjects, except those with CLL, must have at least one bi-dimensionally measurable nodal lesion >1.5 cm, as defined by Lugano Classification
• Willingness to participate in collection of pharmacokinetic samples
• A negative serum pregnancy test within 14 days of study Day 0, for females of childbearing potential Inclusion Criteria ME-401 in Combination with Rituximab
• Diagnosis of relapsed/refractory CLL SLL or FL, MZL, DLBCL and high-grade B-cell lymphoma. Subjects must meet the following criteria for relapsed or refractory disease:
• No prior therapy with PI3Kδ inhibitors
• No prior therapy with Bruton tyrosine kinase (BTK) inhibitors unless the subject was intolerant of BTK therapy or subject had disease progression
• Subjects with CLL, SLL, FL, and MZL must have a failure of at least 1 prior systemic therapy and be considered by the investigator a candidate for therapy with a rituximab-based regimen; subjects with DLBCL and high-grade B-cell lymphoma must have a failure of at least 2 prior therapies.
• QT-interval corrected according to Fridericia's formula (QTcF) ≤450 milliseconds (ms)
• Left ventricular ejection fraction > 50%
• For subjects, except those with CLL, must have at least one bi-dimensionally measurable nodal lesion >1.5 cm, as defined by Lugano Classification
• Willingness to participate in collection of pharmacokinetic samples
• A negative serum pregnancy test within 14 days of study Day 0 for females of childbearing potential Inclusion Criteria ME-401 in Combination with Zanubrutinib
• Diagnosis of relapsed/refractory CLL or histologically-confirmed relapsed/refractory SLL or FL, MZL, MCL, DLBCL NOS (germinal center B-cell type or activated B-cell type)
• No prior therapy with PI3Kδ inhibitors
• No prior therapy with BTK inhibitors
• Subjects with CLL, SLL, FL, MCL, and MZL must have a failure of at least 1 prior systemic therapy, require treatment in the opinion of the investigator, and be considered by the investigator a candidate for therapy subjects with DLBCL and high-grade B-cell lymphoma must have a failure of at least 2 prior therapies
• For subjects with SLL, FL, MZL, MCL, DLBCL: At least one bi dimensionally measurable nodal lesion > 1.5 cm in its longest diameter by CT scan or MRI
• QT-interval corrected according to Fridericia's formula (QTcF) ≤ 450 milliseconds (msec)
• Left ventricular ejection fraction > 50% as measured by echocardiogram or multigated acquisition (MUGA) scan
• Willingness to participate in collection of pharmacokinetic samples
• For females of childbearing potential, a negative serum pregnancy test within 14 days of study Day 0
• Known histological transformation from CLL to an aggressive lymphoma
• Uncontrolled autoimmune hemolytic anemia or immune thrombocytopenia
• Subjects who have tested positive for hepatitis B surface antigen and/or hepatitis B core antibody
• Positive for hepatitis C virus antibody (HCV Ab) or human immunodeficiency virus (HIV) antibody
• Ongoing drug-induced pneumonitis
• History of clinically significant cardiovascular abnormalities
• History of severe bleeding disorders (ME-401 plus zanubrutinib arm only)
• Known central nervous system (CNS) hemorrhage or stroke within 6 months prior to start of study drugs (ME-401 plus zanubrutinib arm only)

• Histologically or cytologically confirmed relapsed cluster of differentiation (CD)19+ non-Hodgkin lymphoma (NHL) (included in this category are follicular grade I, II, III, marginal zone, mantle cell, gray zone, primary mediastinal, Burkitt's, diffuse large B cell, small lymphocytic lymphoma); patients previously treated with CD19-targeted therapy (including chimeric antigen receptor T-cells [CAR T]) must have a subsequent biopsy and/or flow cytometry confirming CD19 positivity
• Karnofsky >= 60%
• Life expectancy of greater than 12 weeks
• Absolute neutrophil count > 1000/mcL
• Platelets >= 50,000/mcL
• Total bilirubin =< 1.5 x institutional upper limit of normal
• Aspartate aminotransferase (AST) (serum glutamic oxaloacetic transaminase [SGOT])/alanine aminotransferase (ALT) (serum glutamate pyruvate transaminase [SGPT]) =< 2.5 x institutional upper limit of normal
• AST (SGOT)/ALT(SGPT) (only if elevated liver function tests [LFTs] are due to disease) =< 5.0 x institutional upper limit of normal
• Body surface area (BSA)-normalized creatinine clearance >= 60 mL/min/1.73 m^2 (using Cockcroft-Gault creatinine clearance [CrCl])
• Patients must have had at least two prior chemotherapeutic or biologic (e.g. rituximab alone) regimens and not currently eligible for standard curative options; steroids alone and local radiation do not count as regimens; radiation to > 1 site and transplant are considered prior regimens
• Any prior therapy must have been completed at least 4 weeks prior to entry into the study
• Females of childbearing potential (FCBP) must have a negative serum or urine pregnancy test with a sensitivity of at least 25 mIU/mL within 10
•14 days prior to and again within 24 hours of starting lenalidomide and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before she starts taking lenalidomide; FCBP must also agree to ongoing pregnancy testing; men must agree to use a latex condom during sexual contact with a FCBP even if they have had a successful vasectomy; all patients must be counseled at a minimum of every 28 days about pregnancy precautions and risks of fetal exposure
• Patients must have radiographically measurable disease; radiographically measurable disease is defined as at least one lesion that can be accurately measured in at least one dimension (longest diameter to be recorded) as > 20 mm with conventional techniques or as > 10 mm with spiral computed tomography (CT) scan; lesions in previously irradiated anatomic areas (external beam radiation) cannot be considered target lesions unless there has been documented growth of those lesions after radiotherapy
• Ability to understand and the willingness to sign a written informed consent document
• Human immunodeficiency virus (HIV) infected patients are eligible provided they meet all the other eligibility criteria of the study in addition to the following:
• During prior lymphoma therapy, patients must not have experienced documented infections attributed to the HIV+ status
• No history of non-adherence to cART and willing to adhere to cART while on study
• Antiretroviral drugs with overlapping or similar toxicity profiles as study agents not allowed:
• Efavirenz not allowed due to potential central nervous system (CNS) toxicity
• Stavudine not allowed due to potential neuropathic effects
• Zidovudine not allowed due to myelosuppressive effects
• Patients must be willing to be followed at a minimum of approximately every 3 months by physician expert in HIV disease management
• Patients must be willing to be followed at a minimum of approximately every 3 months by physician expert in HIV disease management
• Patients who have had chemotherapy or radiotherapy within 4 weeks prior to entering the study or those who have not recovered from adverse events due to agents administered more than 4 weeks earlier
• Patients who are receiving any other investigational agents
• Patients with known brain metastases should 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
• History of allergic reactions attributed to compounds of similar chemical or biologic composition to lenalidomide and blinatumomab or other agents used in study
• 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 lenalidomide is an agent 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 lenalidomide, breastfeeding should be discontinued if the mother is treated with lenalidomide
• Concurrent use of other anti-cancer agents or treatments
• Known active hepatitis, type B or C; patients on suppressive therapy with a negative viral load and no evidence of hepatic damage are eligible
• Prior treatment with lenalidomide within 8 weeks prior to entering the study

INCLUSION CRITERIA -Patients must be greater than or equal to 12 months and ≤ 21 years of age at the time of study enrollment. Patients must have one of the following: Leukemia
• Patients must have relapsed or refractory acute lymphoblastic leukemia (ALL) with greater than or equal to 25% blasts in the bone marrow (M3). OR
• Patients may have an M2 marrow (greater than or equal to 5% to < 25% blasts) with an extramedullary site of relapse; including CNS 2 and CNS 3.
• Refractory disease defined as no more than 1 prior failed salvage attempt following the current relapse, or no more than 2 additional treatment cycles after initial induction failure in newly diagnosed patients. Lymphoma
• Patient must have relapsed or refractory lymphoblastic lymphoma or peripheral T-cell lymphoma.
• Patient must have histologic verification of disease at original diagnosis.
• Patient must have evaluable or measurable disease documented by clinical or radiographic criteria or bone marrow disease present at study entry.
• Patients may have CNS 2 or 3 disease, if other sites of involvement. Karnofsky greater than or equal to 50% for patients > 16 years of age and Lansky greater than or equal to 50 for patients ≤ 16 years of age. Patients must have fully recovered from the acute toxic effects of all prior anti-cancer chemotherapy. Patients must have had 2 or more prior therapeutic attempts defined as:
• Relapse after going into remission from re-induction for the first or subsequent relapse (ie: 2nd , 3rd, 4th…relapse), or
• Patients with lymphoma may have refractory disease after first or greater relapse and a single re-induction attempt. Patients with leukemia or lymphoma who relapse while receiving maintenance chemotherapy will not be required to have a waiting period before enrollment onto this study. At least 14 days must have elapsed after the completion of cytotoxic therapy, with the exception of hydroxyurea. Hematopoietic growth factors: At least 14 days after the last dose of a long-acting growth factor (e.g. Neulasta) or 7 days for short-acting growth factor. Biologic (anti-neoplastic agent): At least 7 days after the last dose of a biologic agent. For agents that have known adverse events occurring beyond 7 days after administration, this period must be extended beyond the time during which adverse events are known to occur. The duration of this interval must be discussed with the study chair Immunotherapy: At least 42 days after the completion of any type of immunotherapy, e.g. tumor vaccines. or chimeric antigen receptor T cell (CART) therapy. Monoclonal antibodies: At least 3 half-lives of the antibody must have elapsed after the last dose of a monoclonal antibody. (ie: Rituximab = 66 days, Epratuzumab = 69 days). Patients must have been off blinatumomab infusion for at least 7 days and all drug-related toxicity must have resolved to grade 2 or lower as outlined in the inclusion and exclusion criteria XRT: At least 14 days after local palliative XRT (small port); At least 84 days must have elapsed if prior TBI, craniospinal XRT or if greater than or equal to 50% radiation of pelvis; At least 42 days must have elapsed if other substantial marrow radiation. Stem Cell Infusion: No evidence of active graft vs. host disease and at least 84 days must have elapsed after transplant or stem cell infusion. Study specific limitations on prior therapy: Patient may not have received therapy with an mTOR inhibitor. Adequate Bone Marrow Function Defined as: Blood counts are not required to be normal prior to enrollment on trial. However, platelet count must be greater than or equal to 20,000/mm3 to initiate therapy (may receive platelet transfusions). Patients should not be known to be refractory to red blood cell or platelet transfusions. Adequate Renal Function Defined as:
• Creatinine clearance or radioisotope GFR greater than or equal to 70ml/min/1.73 m2 or
• Normal serum creatinine based on age and gender. Adequate Liver Function Defined as:
• Total bilirubin (sum of conjugated + unconjugated) must be less than or equal to 1.5 x normal per institutional normal values for age.
• SGPT (ALT) and SGOT (AST) must be less than 3 x institutional upper limit of normal (Grade 1 or less per CTCAE 4). --GGT must be less than 2.5 x institutional upper limit of normal (Grade 1 or less per CTCAE 4).
• Serum albumin greater than or equal to 2 g/dL.
• The hepatic requirements may be waived for patients with elevations clearly due to leukemic infiltration after consultation with the Study Chair or Vice Chair.
• Fasting or non-fasting serum triglyceride level ≤ 300 mg/dL and serum cholesterol level ≤ 300 mg/dL. Adequate Cardiac Function Defined As:
• Shortening fraction of ≥ 27% by echocardiogram, or
• Ejection fraction of ≥ 50% by gated radionuclide study. Adequate Pulmonary Function Defined as:
• Pulse oximetry > 94% on room air (> 90% if at high altitude)
• No evidence of dyspnea at rest and no exercise intolerance.
• Baseline chest x-ray with no evidence of active infectious disease or pneumonitis. Reproductive Function
• Female patients of childbearing potential must have a negative urine or serum pregnancy test confirmed prior to enrollment.
• Female patients with infants must agree not to breastfeed their infants while on this study.
• Male and female patients of child-bearing potential must agree to use an effective method of contraception approved by the investigator during the study.
• Random or fasting glucose within the upper limits of normal for age. If the initial blood glucose is non-fasting and above normal limits a fasting glucose can be obtained and must be within the upper limits of normal for age. EXCLUSION CRITERIA
• Corticosteroids: Patients receiving corticosteroids who have not been on a stable or decreasing dose of corticosteroid for at least 7 days prior to enrollment are not eligible.
• Investigational Drugs: Patients who are currently receiving another investigational drug are not eligible. The definition of "investigational" for use in this protocol means any drug that is not licensed by the FDA, Health Canada or the Therapeutic Goods Administration to be sold in the countries they govern. (United States, Canada and Australia)
• Anti-cancer Agents: Patients who are currently receiving or may receive while on therapy, other anti-cancer agents, radiation therapy or immunotherapy are not eligible [except leukemia patients receiving hydroxyurea, which may be continued until 24 hours prior to start of protocol therapy]. Intrathecal chemotherapy (at the discretion of the primary oncologist) may be given up to one week prior to the initiation of study therapy.
• Anti-GVHD or agents to prevent organ rejection post-transplant: Patients who are receiving cyclosporine, tacrolimus or other agents to prevent either graft-versus-host disease post bone marrow transplant or organ rejection post transplant are not eligible for this trial. At least 3 half-lives must have elapsed after the last dose of GVHD meds.
• Anticoagulants: Patients who are currently receiving therapeutic anticoagulants (including aspirin, low molecular weight heparin, and others) are not eligible. At least 3 half-lives must have elapsed after the last dose of anticoagulants.
• Angiotensin-converting enzyme (ACE) inhibitors: Patients who are currently receiving ACE inhibitors are not eligible due to the development of angioneurotic edema-type reactions in some subjects who received concurrent treatment with temsirolimus + ACE inhibitors. At least 3 half-lives must have elapsed after the last dose of ACE inhibitors.
• Enzyme inducing Anti-convulsants: Patients who are currently receiving enzyme inducing anticonvulsants (ie phenytoin, phenobarbitol, or carbamazepine) are not eligible. Stabilizing on a non-hepatic inducing metabolizing anti-convulsant (ie: gabapentin or levetiracetam) prior to study entry is acceptable. At least 3 half-lives must have elapsed after the last dose of enzyme inducing anti-coagulants.
• Patients receiving treatment with azoles such as fluconazole or voriconazole which are potent inhibitors of temsirolimus metabolism. At least 3 half-lives must have elapsed after the last dose of azoles. Infection Criteria Patients are excluded if they have:
• Positive blood culture within 48 hours of study enrollment;
• Fever above 38.2 within 48 hours of study enrollment with clinical signs of infection. Fever that is determined to be due to tumor burden is allowed if patients have documented negative blood cultures for at least 48 hours prior to enrollment and no concurrent signs or symptoms of active infection or hemodynamic instability.
• A positive fungal culture within 30 days.
• Active fungal, viral, bacterial, or protozoal infection requiring IV treatment. Chronic prophylaxis therapy to prevent infections is allowed. Patients with Down syndrome and Fanconi Anemia are excluded. Patients will be excluded if they have significant concurrent disease, illness, psychiatric disorder or social issue that would compromise patient safety or compliance with protocol treatment or required observations, interfere with consent, study participation, follow up, or interpretation of study results. Patients with known optic nerve and/or retinal involvement (because it may not be possible to safely delay irradiation) are not eligible. Patients presenting with visual disturbances by history or physical exam should have an ophthalmological exam and, if indicated, an MRI to determine optic nerve or retinal involvement.

• Subjects must meet ALL the following criteria to be eligible for the study. 1. Be adequately informed about the study and fully consent to participation as demonstrated by signing the written informed consent form before any screening procedure. 2. Men or Women , age 18 years or older Have relapsed or refractory B-cell NHL that, in the investigator's opinion, could benefit from MT-3724+LEN therapy. 3. At least one histology documented relapse of NHL by: 1. Bone marrow biopsy (FNA is not acceptable) 2. Excisional lymph node biopsy or 3. Core biopsy of any involved organ (FNA not acceptable) 4. CD20-positive histology must have been confirmed at any time during NHL disease course and documented in the medical history. 5. If no histology is available after any relapse the investigator can consult the medical monitor to discuss if the patient can be included 4. All subtypes of B-cell NHL may be considered for Part 1 (MT-3724 dose escalation). Only histologically documented DLBCL (including mixed histology) may be considered for Part 2 (expansion cohort) 5. Have received all available approved therapies for NHL. Those subjects who are ineligible for approved therapies in the opinion of the investigator, or have refused such therapies, will be eligible. 6. Have measurable disease by Lugano Classification for NHL (see Appendix 4): 1. >1.5 cm longest diameter (LDi) for lymph nodes 2. >1.0 cm LDi for extra nodal disease. 7. Eastern Cooperative Oncology Group (ECOG) performance score of ≤2 8. Have adequate bone marrow function, as determined by all the following: 1. Absolute neutrophil count (ANC) ≥1,000/mm³ 2. Platelet count ≥50,000 mm³ 9. Have adequate kidney function, assessed by the estimated glomerular filtration rate (eGFR) ≥60 mL/min calculated by the CPK-EPI equation. a. At the investigator's discretion, the eGFR result <60 mL/min may be verified by measurement of creatinine clearance (CLcr) based on the 24-hour urine collection. Subjects with CLcr ≥60 mL/min will be eligible irrespective of the eGFR result. 10. Have adequate hepatic function, as determined by: 1. Total bilirubin ≤1.5 x ULN, or ≤3 x ULN for subjects with Gilbert's Syndrome) and 2. AST ≤3 x ULN and 3. ALT ≤3 x ULN 11. Have adequate coagulation, as determined by: 1. INR or PT ≤1.5 x ULN 2. PTT ≤1.5 x ULN 12. Have adequate serum albumin, as determined by: a. Albumin ≥ 3.0 g/dL 13. Women of reproductive potential must have a negative pregnancy test on 2 occasions during the screening period (within 10-14 days and within 24 hours before the start of treatment). Women not of reproductive potential are female subjects who are postmenopausal or permanently sterilized (e.g., hysterectomy, bilateral salpingectomy). 14. Males must agree to always use a latex or synthetic condom during any sexual contact with females of reproductive potential while taking LEN and for up to 4 weeks after discontinuing LEN, even if they have undergone a successful vasectomy. Male patients taking LEN must not donate sperm. 15. Subjects of reproductive potential and their partners must agree to either to abstain continuously from heterosexual intercourse or to use 2 methods of reliable birth control simultaneously to begin 4 weeks prior to initiating treatment with LEN until 28 days after the last dose of MT-3724 or LEN. The investigator or a designated associate should advise the subject how to achieve adequate contraception. The following birth control methods may be considered: one highly effective form of contraception
•tubal ligation, IUD, hormonal (birth control pills, injections, hormonal patches, vaginal rings, or implants), or partner's vasectomy, and one additional effective contraceptive method
•male latex or synthetic condom, diaphragm, or cervical cap.
• Subjects who meet any of the following criteria must be excluded from the study. Medical and surgical history 1. History or current evidence of neoplastic disease that is histologically distinct from NHL, except cervical carcinoma in situ, superficial noninvasive bladder tumors, curatively treated Stage I-II non-melanoma skin cancer or any previous cancer curatively treated >2 years before the start of treatment. 2. Current evidence of new or growing brain or spinal metastases during screening. Subjects with known brain or spinal metastases may be eligible if they 1. Had radiotherapy or another appropriate therapy for the brain or spinal metastases 2. Have no neurological symptoms (excluding Grade ≤2 neuropathy) 3. Have stable brain or spinal disease on the CT or MRI scan within 1 month of enrollment 4. Do not require chronic steroid therapy 3. History of allogeneic hematopoietic stem cell transplant within 180 days before the start of treatment. 4. Current evidence of acute or chronic Graft versus Host Disease. 5. Current evidence of CTCAE Grade >1 toxicity (except for hair loss, and those toxicities listed in other eligibility criteria) before the start of treatment. 6. Current evidence of incomplete recovery from surgery before the start of treatment, or planned surgery at any time during the study until the EoT Visit, except minor elective interventions deemed acceptable by the investigator. 7. History or current evidence of significant (CTCAE Grade ≥2) infection or wound within 4 weeks before the start of treatment. 8. History or current evidence of significant cardiovascular disease including, but not limited to the following conditions: 1. Unstable angina (symptoms of angina at rest) or new-onset angina within ≤3 months before the start of treatment. 2. Arterial thrombosis or pulmonary embolism within ≤3 months before the start of treatment. 3. Myocardial infarction or stroke within ≤3 months before the start of treatment. 4. Pericarditis (any CTCAE grade), pericardial effusion (CTCAE Grade ≥2), non malignant pleural effusion (CTCAE Grade ≥2) or malignant pleural effusion (CTCAE Grade ≥3). 5. Congestive heart failure (NYHA Class III or IV) at screening or LVEF <45%, assessed by Echo or MUGA scan within 1 month before starting study treatment. (Echo or MUGA scan performed within 6 months before screening and at least 28 days after the last cancer therapy is acceptable provided the subject has not received any potential cardiotoxic agents). 6. Cardiac arrhythmia requiring anti-arrhythmic therapy at screening. Subjects receiving digoxin, calcium channel blockers, or beta-adrenergic blockers are eligible at the investigator's discretion after consultation with Medical Monitor if the dose has been stable for ≥2 weeks before the start of treatment. Subjects with sinus arrhythmia and infrequent premature ventricular contractions are eligible at the investigator's discretion. 9. QTcF (Fridericia) >480 ms, determined as the average from three QTcF values on the triplicate ECG obtained at screening. 10. Current evidence of seropositive status for HIV, hepatitis B (positive for HBsAg or anti-HBsAg and anti-HBcAg antibodies) or hepatitis C (positive for anti-HCV antibody or HCV-RCV-RNA quantitation) as assessed by the applicable serology testing at screening. 1. Serology testing is not required if seronegativity is documented in the medical history and there are no clinical signs suggestive of HIV or hepatitis infection. 2. Subjects with positive HBV serology are eligible if quantitative PCR for plasma HBV-DNA is negative and the subject will be receiving prophylaxis for potential HBV reactivation. 3. Subjects with positive HCV serology are eligible if quantitative PCR for plasma HCV RNA is negative. 11. Women who are pregnant or breastfeeding. 12. History or current evidence of hypersensitivity to any of the study drugs, or of current hypersensitivity requiring systemic steroids at doses >20 mg/day prednisone equivalent. 13. History or current evidence of any other medical or psychiatric condition or addictive disorder, or laboratory abnormality that, in the opinion of the investigator, may increase the risks associated with study participation, or require treatments that may interfere with the conduct of the study or the interpretation of study results. Prior treatments 14. Received anti-CD20 monoclonal antibody (Mab) therapy within the following periods before the start of treatment 1. Rituximab (Rituxan®): 84 days; if a subject had received rituximab within 37 Weeks before the start of treatment, then a serum rituximab level must be negative (<500 ng/mL) at screening. 2. Obinutuzumab (Gazyva®): 184 days 3. Ofatumumab (Arzerra®): 88 days 15. Received therapy for NHL (except the anti-CD20 Mab therapies listed above) within 4 weeks before the start of treatment. 16. Any investigational drug treatment from 4 weeks or 5 half-lives of the agent before the start of treatment, whichever is longer, until the EoT Visit. 17. Received radiotherapy to tumor lesions that would be chosen as target lesions (measurable disease) within 4 weeks before the start of treatment, unless the lesion exhibited objective progression between the radiotherapy and the screening according to the Lugano Classification for NHL. a. Palliative radiotherapy to non-target lesions is allowed at the investigator's discretion. 18. Received any vaccines within 28 days of the start of treatment, or likely to require vaccines at any time from the start of treatment until 28 days after the last dose of MT-3724. Injectable flu vaccine (inactivated or recombinant) is permitted at the investigator's discretion. 19. Received systemic immune modulators within 2 weeks before the start of treatment 1. Systemic immune modulators include but are not limited to systemic corticosteroids at doses >20 mg/day of prednisone equivalent, cyclosporine and tacrolimus. 2. The use of non-steroidal anti-inflammatory drugs (NSAIDs) is permitted

• Written informed consent in accordance with federal, local, and institutional guidelines. The patient must provide informed consent prior to the first screening procedure.
• Age ≥ 18 years
• Life expectancy > 12 weeks.
• Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1.
• Histologically confirmed diagnosis of one of the following, in accordance with WHO diagnostic criteria:
• Escalation:
• Diffuse Large B-cell Lymphoma (DLBCL, including primary mediastinal large B cell lymphoma, T cell rich B cell lymphoma, and high-grade B cell lymphoma NOS). Patients with Burkitt's, lymphoblastic lymphoma, follicular lymphoma, and mantle cell lymphoma are not included. OR
• Acute Myeloid Leukemia (AML)
• Expansion:
• Diffuse Large B-cell Lymphoma and acute myeloid leukemia as above.
• VEN Refractory expansion cohort (Diffuse Large B-cell Lymphoma and acute myeloid leukemia only): Patients must have previously received and failed venetoclax therapy (either monotherapy or combination) during their treatment course (i.e., patients may receive non-VEN therapy immediately prior to enrollment on this study). Treatment failure is defined as evidence of disease progression after ≥ 1 cycle (four weeks) of full-intensity venetoclax-based therapy (i.e., 28 days exclusive of ramp-up. Patients that require dose reductions due to intolerance may be considered for this cohort after discussion with the sponsor.)
• Relapsed or refractory following ≥ 1 line(s) of prior therapy
• Patients that relapse ≥ 3 months after allogeneic hematopoietic cell transplantation (HCT) are eligible.
• Female patients of childbearing potential must agree to use two methods of contraception (including one highly effective and one effective method of contraception) and have a negative serum pregnancy test at screening. Male patients must use an effective barrier method of contraception if sexually active with a female of childbearing potential. For both male and female patients, effective methods of contraception must be used throughout the study and for 3 months following the last dose of study treatment.
• For leukemia and DLBCL with known or suspected marrow involvement, patients must have at least 10-15 mL of bone marrow aspirate material obtained within 14 days of beginning treatment on this study. Patients with DLBCL must have 3-5 unstained slides, or tissue block, available for evaluation within 14 days of study enrollment in the expansion cohorts. DLBCL patients enrolled during the escalation phase must have blocks available for submission within 28 days of beginning treatment.
• CBC testing must confirm adequate marrow reserve, as demonstrated by:
• DLBCL: Hgb ≥ 10g/dL, platelets ≥ 75,000 cells/mm3 , ANC ≥ 1,000 cells/mm3
• Adequate organ function, as demonstrated by:
• Total bilirubin < 1.5 x upper limit of normal (ULN) (except patients with Gilbert's syndrome (hereditary indirect hyperbilirubinemia), who must have a total bilirubin of < 3 x ULN, and
• Aspartate aminotransferase (AST) and alanine aminotransferase (ALT) normal to < 2 x ULN
• Calculated creatinine clearance > 50 mL/min (per the Cockcroft-Gault formula).
• Patients with laboratory evidence of liver or kidney dysfunction secondary to underlying disease, that is expected to reverse with treatment, may be enrolled after discussion with the sponsor/investigator.
• Patients who are pregnant or lactating
• Patients who received any systemic anticancer therapy including investigational agents or radiation ≤3 weeks (or ≤5 half-lives of the drug [whichever is shorter]) prior to C1D1. Hydroxyurea is permitted for up to 14 days in AML patients
• Inadequate recovery from toxicity attributed to prior anti-cancer therapy. With the exception of alopecia or fatigue, patients must have recovered to baseline or ≤ Grade 1 (NCI-CTCAE v4.03) residual toxicity prior to first dose of protocol-indicated treatment.
• Participation in another clinical trial with any investigational drug within 14 days prior to study enrollment.
• Patients included in the VEN refractory cohort that have discontinued venetoclax therapy (either monotherapy or combination) due to toxicity or hypersensitivity, including prior history of grade 3/4 TLS during prior VEN exposure
• In dose expansion cohorts, except venetoclax refractory cohort, no prior treatment with SINE compounds, another XPO1 inhibitor, or BCL-2 inhibitors.
• Active GVHD requiring calcineurin inhibitors or steroid dosing ≥ 10mg/day prednisone (or equivalent) or < 3 months from allogenic hematopoietic cell transplant (HCT).
• Uncontrolled (i.e., clinically unstable) infection requiring parenteral antibiotics, antivirals, or antifungals within one week prior to first dose; however, prophylactic use of these agents is acceptable even if parenteral.
• Major surgery within 2 weeks of first dose of study drug.
• Any life-threatening illness, medical condition or organ system dysfunction which, in the investigator's opinion, could compromise the patient's safety.
• Unstable cardiovascular function:
• Symptomatic ischemia, or
• Uncontrolled clinically significant conduction abnormalities (i.e., ventricular tachycardia on anti-arrhythmia therapy are excluded; 1st degree AV block or asymptomatic LAFB/RBBB will not be excluded), or
• Congestive heart failure (CHF) of NYHA Class ≥3, or
• Myocardial infarction (MI) within 3 months.
• Known active Hepatitis B or Hepatitis C infection (Hepatitis testing is not required as part of this study).
• Known human immunodeficiency virus (HIV) infection (HIV testing is not required as part of this study).
• Subject has received the following ≤ 7 days prior to Cycle 1, Day 1: Strong and moderate CYP3A inducers such as rifampin, carbamazepine, phenytoin, and St. John's wort.
• Subject has received the following ≤ 5 days prior to Cycle 1, Day 1: Strong and moderate CYP3A inhibitors such as fluconazole, ketoconazole, and clarithromycin.
• Subject has consumed grapefruit, grapefruit products, Seville oranges (including marmalade containing Seville oranges) or Starfruit ≤ 3 days prior to Cycle 1, Day 1.
• Inability to swallow oral medication; or the presence of a poorly controlled gastrointestinal disease, disorder, syndrome, or dysfunction that could significantly affect the absorption of oral study drug
•e.g. Crohn's disease, ulcerative colitis, chronic diarrhea (defined as > 4 loose stools per day), malabsorption syndrome, or bowel obstruction.
• Inability or unwillingness to take required and recommended medications intended to prevent and treat potential adverse events of tumor lysis syndrome (TLS), nausea and vomiting, loss of appetite, and fatigue.
• Patients unwilling to comply with the protocol

• Between 6 months and <18 years of age (or between 3 years and <18 years of age for rrcHL participants) on day of signing informed consent/assent (the first 3 participants dosed in Part 1 are to be ≥ 6 years of age)
• Histologically- or cytologically-documented, locally-advanced, or metastatic solid malignancy or lymphoma that is incurable and has failed prior standard therapy, or for which no standard therapy exists, or for which no standard therapy is considered appropriate
• Any number of prior treatment regimens
• Tissue (or lymph node biopsy for rrcHL participants) available from an archival tissue sample or, if appropriate, a newly obtained core or excisional biopsy of a tumor lesion not previously irradiated
• Advanced melanoma or PD-L1-positive advanced, relapsed, or refractory solid tumor or lymphoma
• Measurable disease based on RECIST 1.1 (Or based on IWG [Cheson, 2007] [i.e., measurement must be >15 mm in longest diameter or >10 mm in short axis] for rrcHL participants)
• Participants with neuroblastoma with only metaiodobenzylguanidine (MIBG)-positive evaluable disease may be enrolled
• Lansky Play Scale ≥50 for participants from 6 months up to and including 16 years of age; or Karnofsky score ≥50 for participants >16 years of age
• Adequate organ function
• Female participants of childbearing potential should have a negative urine or serum pregnancy test within 72 hours prior to receiving the first dose of study medication
• Female participants of childbearing potential must be willing to use 2 methods of contraception or be surgically sterile, or abstain from heterosexual activity for the course of the study through 120 days after the last dose of study medication
• Male participants of reproductive potential must agree to use an adequate method of contraception starting with the first dose of study medication through 120 days after the last dose of study medication
• Currently participating and receiving study therapy in, or has participated in a study of an investigational agent and received study therapy or used an investigational device within 4 weeks of the date of allocation/randomization
• Diagnosis of immunodeficiency or receiving systemic steroid therapy or any other form of immunosuppressive therapy within 7 days prior to the date of allocation/randomization
• Prior systemic anti-cancer therapy including investigational agent within 2 weeks prior to study Day 1 or not recovered from adverse events due to a previously administered agent
• Prior radiotherapy within 2 weeks of start of study treatment
• Known additional malignancy that is progressing or requires active treatment with the exception of basal cell carcinoma of the skin, squamous cell carcinoma of the skin or carcinoma in situ (eg, breast carcinoma, cervical carcinoma in situ) with potentially curative therapy, or in situ cervical cancer
• Known active central nervous system (CNS) metastases and/or carcinomatous meningitis
• Tumor(s) involving the brain stem
• Severe hypersensitivity (≥ Grade 3) to pembrolizumab and/or any of its excipients
• Active autoimmune disease that has required systemic treatment in past 2 years; replacement therapy (such as thyroxine, insulin, or physiologic corticosteroid replacement therapy for adrenal or pituitary insufficiency) is acceptable
• Has a history of (non-infectious) pneumonitis that required steroids or current pneumonitis.
• Active infection requiring systemic therapy
• Pregnant or breastfeeding, or expecting to conceive or father children within the projected duration of the trial through 120 days after the last dose of study medication
• Prior therapy with an anti-programmed cell death (PD)-1, anti-PD-ligand 1 (anti-PD-L1), anti-PD-L2 agent, or any agent directed to another stimulatory or inhibitory T-cell receptor (eg, cytotoxic lymphocyte associated protein-4 [CTLA-4], OX-40, CD137)
• Human immunodeficiency virus (HIV)
• Hepatitis B or C
• Known history of active tuberculosis (TB; Bacillus tuberculosis)
• Received a live vaccine within 30 days of planned start of study medication
• Has undergone solid organ transplant at any time, or prior allogeneic hematopoietic stem cell transplantation within the last 5 years. (Participants who have had an allogeneic hematopoietic transplant >5 years ago are eligible as long as there are no symptoms of Graft Versus Host Disease [GVHD].)
• History or current evidence of any condition, therapy, or laboratory abnormality, or known severe hypersensitivity to any component or analog of the trial treatment, that might confound the results of the trial, or interfere with the participant's participation for the full duration of the study
• Known psychiatric or substance abuse disorders that would interfere with the requirements of the study

• Documented acute lymphoblastic leukemia (ALL) or lymphoblastic lymphoma (LL) as defined by the criteria below: 1. B-cell cohort: Stage 1; ALL in second or greater relapse or refractory to 2 prior induction regimens with greater than or equal to (>=) 5 percent (%) blasts in the bone marrow and aged 1 to less than (<) 18 years. Stage 2; ALL in second or greater relapse or refractory to 2 prior induction regimens with (>=) 5% blasts in the bone marrow and aged 1 to 30 years. LL in second or greater relapse or refractory to 2 prior induction regimens and biopsy proven and with evidence of measurable disease by radiologic criteria and aged 1 to 30 years. 2. T-cell cohort: Stage 1; ALL in first relapse or refractory to 1 prior induction/consolidation regimen with (>=) 5% blasts in the bone marrow and aged 1 to <18 years. Stage 2; ALL in first relapse or refractory to 1 prior induction/consolidation regimen with (>=) 5% blasts in the bone marrow and aged 1 to 30 years. LL in first relapse or refractory to 1 prior induction/consolidation regimen biopsy proven and with evidence of measurable disease by radiologic criteria and aged 1 to 30 years
• Performance status greater than or equal to (>=) 70 by Lansky scale (for participants less than [<] 16 years of age) or Karnofsky scale (for participants [>=] 16 years of age)
• Adequate hematology laboratory values at Cycle 1 Day 1 pre-dosing defined as follows: 1. Hemoglobin (>=) 7.5 gram per deciliter (g/dL) ([>=] 5 millimole per liter [mmol/L]; prior red blood cell [RBC] transfusion is permitted) 2. Platelet count (>=) 10*10^9 per liter (L) (prior platelet transfusion is permitted)
• Adequate renal function defined as normal serum creatinine for the participant's age or creatinine clearance or radioisotope glomerular filtration rate (GFR) >= 70 milliliter per minute per 1.73 square meter (mL/min/1.73 m^2) prior to enrollment
• Adequate liver function prior to enrollment defined as: 1. Alanine aminotransferase level less than or equal to (<=) 2.5* the upper limit of normal (ULN), 2. Aspartate aminotransferase level (<=) 2.5* ULN, and 3. Total bilirubin (<=) 2* ULN or direct bilirubin level (<=) 2.0* ULN
• Received an allogeneic hematopoietic transplant within 3 months of screening
• Active acute graft-versus-host disease of any grade or chronic graft-versus-host disease of Grade 2 or higher
• Received immunosuppression post hematopoietic transplant within 1 month of study entry
• Philadelphia chromosome positive (Ph+) B-cell ALL eligible for tyrosine kinase inhibitor therapy
• Has either of the following: 1. Evidence of dyspnea at rest or oxygen saturation (<=) 94 percent (%). 2. Known moderate or severe persistent asthma within the past 2 years, or uncontrolled asthma of any classification
• Received an investigational drug, was vaccinated with live attenuated vaccines, or used an invasive investigational medical device within 4 weeks before the planned first dose of study drug, or is currently being treated in an investigational study
• Known to be seropositive for human immunodeficiency virus (HIV)
• Any one of the following: 1. Seropositive for hepatitis B (defined by a positive test for hepatitis B surface antigen [HBsAg]). Participants with resolved infection (ie, participants who are HBsAg negative but positive for antibodies to hepatitis B core antigen [anti-HBc] and/or antibodies to hepatitis B surface antigen [anti-HBs]) must be screened using real-time polymerase chain reaction (PCR) measurement of hepatitis B virus (HBV) deoxyribonucleic acid (DNA) levels. Those who are PCR positive will be excluded 2. Known to be seropositive for hepatitis C (except in the setting of a sustained virologic response [SVR], defined as aviremia at least 12 weeks after completion of antiviral therapy)

• 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

• All B-ALL patients must be enrolled on APEC14B1 and consented to Eligibility Screening (Part A) prior to treatment and enrollment on AALL1731. APEC 14B1 is not a requirement for B-LLy patients. B-LLy patients may directly enroll on AALL1731.
• Age at diagnosis:
• Patients must be >= 365 days and < 10 years of age (B-ALL patients without DS).
• Patients must be >= 365 days and =< 31 years of age (B-ALL patients with DS).
• Patients must be >= 365 days and =< 31 years of age (B-LLy patients with or without DS).
• B-ALL patients without DS must have an initial white blood cell count < 50,000/uL (performed within 7 days prior to enrollment).
• B-ALL patients with DS are eligible regardless of the presenting white blood cell count (WBC) (performed within 7 days prior to enrollment).
• Patient has newly diagnosed B-cell ALL, with or without Down syndrome: > 25% blasts on a bone marrow (BM) aspirate;
• OR if a BM aspirate is not obtained or is not diagnostic of B-ALL, the diagnosis can be established by a pathologic diagnosis of B-ALL on a BM biopsy;
• OR a complete blood count (CBC) documenting the presence of at least 1,000/uL circulating leukemic cells;
• OR patient has newly diagnosed B-cell LLy Murphy stages I or II, with or without Down syndrome.
• Note: For B-LLy patients with tissue available for flow cytometry, the criterion for diagnosis should be analogous to B-ALL. For tissue processed by other means (i.e., paraffin blocks), the methodology and criteria for immunophenotypic analysis to establish the diagnosis of B-LLy defined by the submitting institution will be accepted (diagnostic biopsy for B-LLy must be performed within 14 days prior to enrollment).
• All institutional, Food and Drug Administration (FDA), and National Cancer Institute (NCI) requirements for human studies must be met.
• All patients and/or their parents or legal guardians must sign a written informed consent.
• Patient must not have secondary ALL that developed after treatment of a prior malignancy with cytotoxic chemotherapy. Note: patients with Down syndrome with a prior history of transient myeloproliferative disease (TMD) are not considered to have had a prior malignancy. They would therefore be eligible whether or not the TMD was treated with cytarabine.
• With the exception of steroid pretreatment or the administration of intrathecal cytarabine, patients must not have received any prior cytotoxic chemotherapy for either the current diagnosis of B ALL or B LLy or for any cancer diagnosed prior to initiation of protocol therapy on AALL1731.
• For patients receiving steroid pretreatment, the following additional exclusion criteria apply:
• Non-DS B-ALL patients must not have received steroids for more than 24 hours in the 2 weeks prior to diagnosis without a CBC obtained within 3 days prior to initiation of the steroids.
• DS and non-DS B-LLy patients must not have received > 48 hours of oral or IV steroids within 4 weeks of diagnosis.
• Patients who have received > 72 hours of hydroxyurea.
• B-ALL patients who do not have sufficient diagnostic bone marrow submitted for APEC14B1 diagnostic testing and who do not have a peripheral blood sample submitted containing > 1,000/uL circulating leukemia cells.
• Patient must not have acute undifferentiated leukemia (AUL).
• Non-DS B-ALL patients with central nervous system [CNS]3 leukemia (CNS status must be known prior to enrollment).
• Note: DS patients with CNS3 disease are eligible but will be assigned to the DS-High B-ALL arm. CNS status must be determined based on a sample obtained prior to administration of any systemic or intrathecal chemotherapy, except for steroid pretreatment.
• Non-DS B-ALL patients with testicular leukemia. (Note: DS patients with testicular disease are eligible but will be assigned to the DS-High B-ALL arm).
• For LLy patients, the following additional exclusion criteria apply:
• T-Lymphoblastic Lymphoma.
• Morphologically unclassifiable lymphoma.
• Absence of both B-cell and T-cell phenotype markers in a case submitted as lymphoblastic lymphoma.
• CNS positive disease or testicular involvement.
• M2 (5%
•25% blasts) or M3 (> 25% blasts) marrow.
• Patients with known Charcot-Marie-Tooth disease.
• Patients with known MYC translocation associated with mature (Burkitt) B-cell ALL, regardless of blast immunophenotype.
• Patients requiring radiation at diagnosis.
• 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.

1. Pediatric and adult patients with a diagnosis of ALL or LBL. 2. Have had an allergic reaction to a long-acting E. coli-derived asparaginase OR have silent inactivation. 3. Have 1 or more courses of E. coli-derived asparaginase remaining in his/her treatment plan. 4. Patients must have, in the opinion of the Investigator, fully recovered from their prior allergic reaction to E. coli-derived asparaginase. 1. Have previously received asparaginase Erwinia chrysanthemi or JZP-458. 2. Have relapsed ALL or LBL. 3. Are concurrently receiving another investigational agent and/or treated with an investigational device at the same time as JZP-458 (within 48 hours) during Course 1 of JZP-458. 4. Have a history of ≥ Grade 3 pancreatitis. 5. Prior history of asparaginase-associated ≥ Grade 3 hemorrhagic event or asparaginase-associated thrombus requiring anticoagulation therapy, excluding catheter-related thrombotic events.

• Patients must have B-ALL, or previously diagnosed B lymphoblastic lymphoma (B-LL), with >= 5% (M2 or M3) bone marrow blasts with or without extramedullary disease
• NOTE: Relapsed patients previously diagnosed with B-lymphoblastic lymphoma (B-LL) are eligible if they have an M2 or M3 marrow at the time of enrollment on this study
• Patients with ALL or B-LL who have M2 morphology must have local confirmatory testing showing >= 5% blasts by flow cytometry, fluorescence in situ hybridization (FISH) testing or other molecular method
• Leukemic blasts must demonstrate surface expression of CD22 at the time of relapse by local/institutional flow cytometry of a bone marrow aspirate sample; (assessment of CD22 using a bright fluorophore such as phycoerythrin [PE] is strongly recommended)
• In the case of an inadequate aspirate sample (dry tap) or if bone marrow aspirate is unable to be performed due to patient clinical status, flow cytometry of peripheral blood specimen may be substituted if the patient has at least 1,000/uL circulating blasts; alternatively, CD22 expression may be documented by immunohistochemistry of a bone marrow biopsy specimen
• Patients with one of the following:
• Second or greater relapse;
• Primary refractory disease with at least 2 prior induction attempts;
• First relapse refractory to at least one prior re-induction attempt
• Any relapse after HSCT (Cohort 1 ONLY) Patients with Down syndrome are eligible ONLY for Cohort 1 with:
• Any of above disease status, OR
• First relapse with no prior re-induction attempt NOTE: Patients with Down syndrome or prior HSCT are NOT eligible for Cohort 2 combination therapy
• Patients with Philadelphia chromosome (Ph)+ ALL must have had two prior therapy attempts including two different tyrosine kinase inhibitors (TKIs)
• Patients must have fully recovered from the acute non-hematologic toxic effects of all prior anti-cancer therapy, defined as resolution of all such toxicities to =< grade 2 or lower per the inclusion/exclusion criteria prior to entering this study
• Myelosuppressive chemotherapy:
• No waiting period will be required for patients receiving standard "maintenance-like" chemotherapy including oral mercaptopurine, weekly low-dose oral methotrexate, and intermittent vincristine/steroid pulses; otherwise, at least 14 days must have elapsed since the completion of cytotoxic therapy, with the exceptions of hydroxyurea or corticosteroids used for cytoreduction
• Intrathecal cytotoxic therapy: No waiting period is required for patients having received intrathecal cytarabine, methotrexate, and/or hydrocortisone; intrathecal chemotherapy given at the time of diagnostic lumbar puncture (LP) to evaluate for relapse prior to study enrollment is allowed
• At least 7 days must have elapsed since the completion of therapy with a growth factor; at least 14 days must have elapsed after receiving pegfilgrastim
• At least 7 days must have elapsed since completion of therapy with a biologic agent (including tyrosine kinase inhibitors); for agents that have known adverse events occurring beyond 7 days after administration, this period prior to enrollment must be extended beyond the time during which adverse events are known to occur
• At least 3 half-lives must have elapsed since prior therapy that included a monoclonal antibody with the exception of blinatumomab; patients must have been off blinatumomab infusion for at least 3 days and all drug related toxicity must have resolved to grade 2 or lower as outlined in the inclusion/exclusion criteria
• >= 2 weeks must have elapsed since local palliative radiation therapy (XRT) (small port); >= 3 months must have elapsed if prior cranial or craniospinal XRT was received, if >= 50% of the pelvis was irradiated, or if total-body irradiation (TBI) was received; >= 6 weeks must have elapsed if other substantial bone marrow irradiation was given
• For Cohort 1, at least 90 days must have elapsed since stem cell transplant and at least 30 days from donor lymphocyte infusion; patient must have had no more than one previous HSCT and currently have no evidence of active graft versus (vs.) host disease (GVHD); for Cohort 2, no prior HSCT is allowed
• At least 30 days must have elapsed from the last chimeric antigen receptor (CAR)-T cell infusion
• 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
• Creatinine clearance or radioisotope glomerular filtration rate (GFR) >= 70 mL/min/1.73 m^2 or
• A serum creatinine based on age/gender as follows:
• 1 to < 2 years: maximum serum creatinine 0.6 mg/dL (both male and female)
• 2 to < 6 years: maximum serum creatinine 0.8 mg/dL (both male and female)
• 6 to < 10 years: maximum serum creatinine 1 mg/dL (both male and female)
• 10 to < 13 years: maximum serum creatinine 1.2 mg/dL (both male and female)
• 13 to < 16 years: maximum serum creatinine 1.5 mg/dL (male), 1.4 mg/dL (female)
• >= 16 years: maximum serum creatinine 1.7 mg/dL (male), 1.4 mg/dL (female)
• Direct bilirubin =< 1.5 x upper limit of normal (ULN) for age, and
• Serum glutamic pyruvic transaminase (SGPT) (alanine aminotransferase [ALT]) =< 5 x ULN for age; for the purpose of this study, the ULN for ALT will be 45 U/L
• Patients with any prior history of SOS irrespective of severity
• Patients with isolated central nervous system (CNS), testicular, or any other extramedullary site of relapse
• Patients who have been previously treated with inotuzumab ozogamicin
• Patients who have previously received HSCT (Cohort 2 only)
• Patients with Down syndrome (Cohort 2 only)
• History of allergic reaction attributed to compounds of similar or biologic composition to inotuzumab ozogamicin or other agents in the study
• Note: Patients with history of allergy to pegaspargase are eligible for enrollment on Cohort 2 (dose levels 1 and -1) if asparaginase Erwinia can be obtained
• If Cohort 2 is enrolling at dose level -2, then patients who cannot receive asparaginase due to prior allergy, toxicity, or lack of access may enroll
• NOTE: patients on AALL1621 are not eligible to co-enroll on AALL1931
• Patients with active optic nerve and/or retinal involvement are not eligible; patients who are presenting with visual disturbances should have an ophthalmologic exam and, if indicated, a magnetic resonance imaging (MRI) to assess optic nerve or retinal involvement
• Patients who are currently receiving another investigational drug
• Patients who are currently receiving or plan to receive other anti-cancer agents (except hydroxyurea, which may be continued until 24 hours prior to start of protocol therapy and intrathecal chemotherapy)
• Anti-GVHD or agents to prevent organ rejection post-transplant; patients who are receiving cyclosporine, tacrolimus, or other agents to prevent either graft-versus-host disease post bone marrow transplant or organ rejection post-transplant are not eligible for this trial; at least 3 half-lives must have elapsed after the last dose of GVHD medications (meds)
• Patients who are currently receiving or plan to receive corticosteroids except as described below
• Systemic corticosteroids may be administered for cytoreduction up to 24 hours prior to the start of protocol therapy, (Cohort 1 only) for all patients, corticosteroids may be administered as a premedication for inotuzumab ozogamicin and as treatment for allergic reactions or for physiologic replacement/stress dosing of hydrocortisone for documented adrenal insufficiency; corticosteroids are not allowed for other indications
• Patients with known human immunodeficiency virus (HIV), hepatitis B or C infections; testing to prove negative status is not required for enrollment unless it is deemed necessary for usual medical care of the patient
• Patients who have an active uncontrolled infection defined as:
• Positive bacterial blood culture within 48 hours of study enrollment;
• Fever above 38.2 degree Celsius (C) within 48 hours of study enrollment with clinical signs of infection; fever that is determined to be due to tumor burden is allowed if patients have documented negative blood cultures for at least 48 hours prior to enrollment and no concurrent signs or symptoms of active infection or hemodynamic instability
• A positive fungal culture within 30 days of study enrollment or active therapy for presumed invasive fungal infection
• Patients may be receiving IV or oral antibiotics to complete a course of therapy for a prior documented infection as long as cultures have been negative for at least 48 hours and signs or symptoms of active infection have resolved; for patients with clostridium (C.) difficile diarrhea, at least 72 hours of antibacterial therapy must have elapsed and stools must have normalized to baseline
• Active viral or protozoal infection requiring IV treatment
• Patients known to have one of the following concomitant genetic syndromes: Bloom syndrome, ataxia-telangiectasia, Fanconi anemia, Kostmann syndrome, Shwachmann (Shwachmann-Diamond-Blackfan) syndrome or any other known bone marrow failure syndrome
• There have been no human studies of inotuzumab ozogamicin in pregnant women and no reports of exposure in utero; based on nonclinical safety studies, inotuzumab ozogamicin has the potential to impair human male and female fertility and to adversely affect human embryo fetal development; women of childbearing potential should be advised to avoid becoming pregnant while receiving inotuzumab ozogamicin; there is no information regarding the presence of inotuzumab ozogamicin in human milk, the effects on the breast-fed infant, or the effects on milk production; because of the potential for adverse reactions in breast-fed infants, women should not breast-feed during treatment with inotuzumab ozogamicin and for at least 2 months after the final dose
• Female patients of childbearing potential are not eligible unless a negative pregnancy test result has been obtained within 7 days of starting protocol therapy
• Female patients who are sexually active and of reproductive potential are not eligible unless they agree to use an effective contraceptive method for the duration of their study participation and for 8 months after the last dose of inotuzumab ozogamicin
• Men with female partners of childbearing potential should use effective contraception during treatment with inotuzumab ozogamicin and for at least 5 months after the last dose of inotuzumab ozogamicin
• Lactating females are not eligible unless they agree not to breastfeed their infants

• Diagnosis of: 1. CLL with an indication for treatment based on the Investigator's opinion and measurable disease, or 2. SLL (lymphadenopathy and/or splenomegaly and < 5×10^9 CD19+ CD5+ clonal B lymphocytes/L [< 5000/µL] in the peripheral blood at diagnosis with measurable disease that is biopsy-proven SLL)
• Subjects (other than those in the ibrutinib + JCAR017 combination therapy cohort) must have received and failed Bruton tyrosine kinase inhibitor (BTKi) treatment or have been deemed ineligible for BTKi therapy.
• Subjects (other than those in the ibrutinib + JCAR017 combination therapy cohort) must have received previous treatment as follows: 1. Subjects with CLL or SLL and high-risk features must have failed at least 2 lines of prior therapy. 2. Subjects with CLL or SLL and standard-risk features must have failed at least 3 lines of prior therapy.
• Subjects in the ibrutinib + JCAR017 combination therapy cohort must either: 1. be receiving ibrutinib and progressing at the time of study enrollment 2. be receiving ibrutinib for at least 6 months with a response less than complete response/remission (CR) and have high-risk features as defined in inclusion criterion 5a 3. have BTK or PLCgamma2 mutations per local laboratory assessment, with or without progression on ibrutinib 4. have previously received ibrutinib and have no contraindications to restarting ibrutinib
• Eastern Cooperative Oncology Group performance status of ≤ 1
• Assessed by the Investigator to have adequate bone marrow function to receive lymphodepleting chemotherapy
• Adequate organ function, defined as: 1. Serum creatinine ≤ 1.5 × age-adjusted upper limit of normal (ULN) OR calculated creatinine clearance > 30 mL/min 2. Alanine aminotransferase ≤ 5 × ULN and total bilirubin < 2.0 mg/dL (or < 3.0 mg/dL for subjects with Gilbert's syndrome or leukemic infiltration of the liver) 3. Adequate pulmonary function, defined as ≤ Common Terminology Criteria for Adverse Events (CTCAE) Grade 1 dyspnea and saturated oxygen (SaO2) ≥ 92% on room air 4. Adequate cardiac function, defined as left ventricular ejection fraction ≥ 40% as assessed by echocardiogram or multiple uptake gated acquisition scan performed within 30 days prior to determination of eligibility
• Subject either currently has central vascular access or is a candidate to receive central vascular access or peripheral vascular access for leukapheresis procedure.
• If prior CD19-targeted therapy has been administered, subject must have CD19-positive disease confirmed by immunohistochemistry or flow cytometry since completing the prior CD19-targeted therapy.
• Subjects with known active central nervous system (CNS) involvement by malignancy. Those with prior CNS disease that has been effectively treated will be eligible if treatment was completed at least 3 months prior to enrollment with no evidence of symptomatic disease and stable abnormalities on repeat imaging.
• History of another primary malignancy that has not been in remission for at least 2 years. (The following are exempt from the 2-year limit: nonmelanoma skin cancer, completely resected stage 1 solid tumor with low risk for recurrence, curatively treated localized prostate cancer, cervical carcinoma in situ on biopsy or a squamous intraepithelial lesion on Pap smear, and in situ breast cancer that has been completely resected.)
• Subjects with Richter's transformation
• Prior treatment with any gene therapy product
• Active hepatitis B, active hepatitis C, or active human immunodeficiency virus (HIV) infection
• Systemic fungal, bacterial, viral, or other infection that is not controlled
• Presence of acute or extensive chronic graft versus host disease (GVHD)
• History of any one of the following cardiovascular conditions within the past 6 months: Class III or IV heart failure as defined by the New York Heart Association (NYHA), cardiac angioplasty or stenting, myocardial infarction, unstable angina, or other clinically significant cardiac disease
• History or presence of clinically relevant CNS pathology such as epilepsy, generalized seizure disorder, aphasia, stroke with current neurologic sequelae, severe brain injuries, dementia, Parkinson's disease, cerebellar disease,cerebral edema, or psychosis
• Pregnant or nursing (lactating) women
• Use of any of the following medications or treatments within the noted time prior to leukapheresis: 1. Alemtuzumab within 6 months prior to leukapheresis 2. Allogeneic hematopoietic stem cell transplant within 100 days prior to leukapheresis 3. Cladribine within 3 months prior to leukapheresis 4. Donor lymphocyte infusions (DLI) within 2 months prior to leukapheresis 5. Radiation including large bone marrow fields such as sternum or pelvis within 6 weeks prior to leukapheresis 6. Fludarabine within 4 weeks prior to leukapheresis 7. GVHD therapies such as calcineurin inhibitors, methotrexate or other chemotherapeutics, mycophenolate mofetil, rapamycin, or immunosuppressive antibodies (such as anti-tumor necrosis factor-α [TNFα], anti-interleukin-6 [IL-6], or anti-interleukin-6 receptor [IL 6R]) within 4 weeks prior to leukapheresis 8. Cyclophosphamide, ifosfamide, bendamustine, chlorambucil, or melphalan within 2 weeks prior to leukapheresis 9. Therapeutic doses of corticosteroids (defined as > 20 mg/day prednisone or equivalent) within 7 days prior to leukapheresis 10. Anti-CD20 monoclonal antibodies within 7 days prior to leukapheresis 11. Venetoclax within 4 days prior to leukapheresis 12. Idelalisib or duvelisib within 2 days prior to leukapheresis 13. Lenalidomide within 1 day prior to leukapheresis 14. Experimental agents, including off-label use of approved drugs (with the exception of acalabrutinib which may be continued up to the day before leukapheresis), within 4 weeks prior to leukapheresis unless progression is documented on the experimental therapy and at least 3 half-lives have elapsed prior to leukapheresis
• Uncontrolled medical, psychological, familial, sociological, or geographical conditions that do not permit compliance with the protocol, as judged by the Investigator; or subject unwillingness or inability to follow the procedures required in the protocol
• Progressive vascular tumor invasion, thrombosis, or embolism
• Deep vein thrombosis or embolism not managed on a stable regimen of anticoagulation

Inclusion Criteria
•Solid Tumor 1. Patients must have histologically or cytologically confirmed malignancy that is metastatic or unresectable and for which standard curative or palliative measures do not exist or are no longer effective. 2. All patients must have measurable disease documented by CT, MRI, or non-measurable disease documented by Physical Exam within 28 days prior to registration. 3. Age >18 years. 4. ECOG performance status of 0
•2 (Karnofsky > 60%). 5. Life expectancy of greater than 3 months. 6. Patients must have adequate organ and marrow function as defined below:
• absolute neutrophil count ≥ 1,500/μL
• platelets ≥ 100,000/μL
• total bilirubin ≤ 1.5 x institutional upper limit of normal (IULN)
• AST (SGOT) ≤ 2.5 x institutional upper limit of normal (IULN) ≤ 5 x IULN for patients with liver metastases
• ALT (SGPT) ≤ 2.5 x institutional upper limit of normal (ULN) ≤ 5 x IULN for patients with liver metastases − creatinine within institutional normal limits (WNL) OR creatinine clearance ≥ 60 mL/min/1.73 m2 for patients with creatinine levels above institutional normal 7. Effects of fenretinide and safingol on the developing human fetus are unknown. For this reason, women of child-bearing 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. For women of child-bearing potential, a negative serum pregnancy test is required within 72 hours prior to receiving study drug each cycle. Should a woman become pregnant or suspect she is pregnant while she or her partner is participating in this study, she should inform her treating physician immediately. 8. Ability to understand and the willingness to sign a written informed consent document. 9. Patients who have received prior treatment with oral or intravenous fenretinide as a single agent are eligible, provided they did not experience severe toxicity related to fenretinide. Inclusion Criteria
•Non-Hodgkin's Lymphoma 1. Patients must have histologically or cytologically confirmed non-Hodgkin's lymphoma for which standard therapies do not exist or are no longer effective. To be eligible for this study, lymphoma patients must have no marrow involvement as documented by routine marrow aspiration and biopsy performed within 30 days of study entry. 2. All patients must have measurable disease documented by CT, MRI, or non-measurable disease documented by Physical Exam within 28 days prior to registration. 3. Age 18 years or greater. 4. Patients must have adequate organ and marrow function as defined below:
• Absolute neutrophil count (ANC) ≥ 1500, platelets ≥ 100,000, unless due to direct bone marrow involvement of disease.
• Hemoglobin ≥ 8.0 gm/dL; transfusion permitted to achieve this level
• Serum creatinine ≤ 1.5 x the upper limits of institutional normal (IULN)
• Total bilirubin ≤ 1.5 x the IULN
• AST/ALT ≤ 2.5 x the IULN
• Or ≤ 5 x IULN for patients with liver metastases 5. ECOG performance status of 0
•2 and estimated survival of at least 3 months. 6. Patients must be able to understand and agree to sign an IRB-approved informed consent form. 7. The effects of fenretinide and safingol on the developing human fetus are unknown. For this reason,women of child-bearing potential and men must agree to use adequate contraception (hormonal or barrier method of birth control) prior to study entry, for the duration of study, and for two months after study participation. For women of child-bearing potential, a negative serum pregnancy test is required within 72hours prior to receiving study drug each cycle. Should a woman become pregnant or suspect she is pregnant while participating in this study, she should inform her treating physician immediately. 8. Patients who have received prior treatment with oral or intravenous fenretinide as a single agent are eligible, provided they did not experience severe toxicity related to fenretinide. 1. Radiation therapy, chemotherapy, and other investigational agents within 3weeks (6 weeks for nitrosourea or mitomycin C) prior to starting fenretinide + safingol. Patients must have recovered from toxicities of prior therapy. 2. Concurrent administration of any other investigational agents 3. Uncontrolled intercurrent illnesses including, but not limited to, ongoing or active systemic infection, symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia, coagulation disorders; other major medical illnesses of the cardiovascular or respiratory systems or psychiatric illness/social situations that would limit compliance with study requirements. 4. Pregnant women are excluded from this study because the effects of fenretinide and safingol on the developing human fetus are unknown. Because there is an unknown but potential risk for adverse events in nursing infants secondary to treatment of the mother with fenretinide and safingol, breastfeeding must be discontinued. 5. Major surgery in the last three weeks due to unknown effects of fenretinide and safingol on wound healing. 6. Patients with previously untreated brain metastases (including parenchymal, meningeal or dural-based CNS lesions) are excluded. However, patients with previously treated (surgery, radiation or both), clinically inactive brain metastases, who have not received corticosteroid therapy within three weeks of starting protocol therapy, are eligible. 7. Known allergy to egg products or soy bean oil. 8. Patients known to be HIV-positive receiving anti-retroviral therapy are excluded from the study because of possible pharmacokinetic interactions. 9. Baseline fasting triglycerides > 2.5 institutional upper limit of normal (IULN) or hypertriglyceridemia requiring medication. Patients requiring medication for other dyslipidemias (i.e., elevated LDL cholesterol) are eligible. 10. Concomitant use of the following drugs (see Concomitant Medications, Section 3.3): antioxidants; herbal or other alternative therapy medications; vitamin supplements (especially vitamins A, C, and E) other than a standard dose multivitamin, acetaminophen, cyclosporine A or analogue; verapamil; tamoxifen or analogue, ketoconazole, chlorpromazine; RU486; indomethacin; or sulfinpyrazone, tetracycline, nalidixic acid, nitrofurantoin, phenytoin, sulfonamides, lithium, ceftriaxone, and amiodarone. If the patients discontinue usage of the above drugs, they can be eligible for enrollment into the study after a washout period of four half-lives. 11. Poorly-controlled diabetes mellitus, as defined as fasting serum glucose concentration over 200 mg/dl or a hemoglobin A1C over 7.5%. 12. Patients with an identified familial hyperlipidemia disorder. 13. Known history of allergic reactions attributed to compounds of similar chemical or biologic composition to fenretinide, such as 13-cis-retinoic acid, retinol, or all-trans-retinoic acid. 14. Patients with esophageal cancer with unresected or recurrent primary tumors in the esophagus are only permitted after discussion of patient with Study Chair due to concern of tumor necrosis and esophageal perforation. 15. Baseline (pre-treatment) serum troponin T (TnT) ≥ 0.03 ng/mL. Troponin T levels may be rechecked and therapy given if levels decrease to < 0.03 ng/mL. 16. Baseline (pre-treatment) EKG with any of the following changes consistent with cardiac ischemia:
• significant ST depression (ST depression of ≥2 mm, measured from isoelectric line to the ST segment at a point 60 msec from the end of the QRS complex)
• significant ST elevation (> 1mm in limb lead or 2 mm in precordial lead measured at a point 0.04 sec (1 mm) after the J-point [the end of the QRS complex] and compared to baseline [line drawn from P start to T end])

Patients fulfilling the inclusion criteria will be eligible for enrollment in this study. Of those who consent, only patients who lack a suitable HLA-identical or 1 allele or antigen mismatched related donors are evaluable. Patients with an HLA-identical sibling or 1 allele or antigen mismatched family member donor are evaluable as long as the center deems the family member donor as unsuitable for other reasons. Patients may co-enroll with other interventional or observational studies. 1. Patients of all ages with AML, ALL, MDS, NHL, HL, AA, or SCD are eligible. 2. Any planned conditioning regimen and GVHD prophylaxis approach is eligible. 3. Patients must be considered suitable allogeneic transplant candidates at the time of enrollment based on medical history, physical examination, and available laboratory tests. Specific testing for organ function is not required for eligibility but, if available, these tests should be used by the treating physician to judge transplant suitability. 4. Patient and physician must intend to proceed with allogeneic HCT within the next 6 months if a suitable donor is identified. 5. Center plans to follow the algorithm for alternative donor identification: (a) for subjects who are Very Likely to find a MUD, attempt to identify a matched unrelated donor; (b) for a subjects who are Very Unlikely to find a MUD, proceed expeditiously to a haploidentical, cord blood or mismatched unrelated donor. 6. Signed informed consent, and assent if applicable. Consent may be signed prior to completion of family typing but patients will only be considered evaluable upon confirmation that there is no suitable HLA-identical or 1 allele or antigen mismatched related donor available. 1. Prior allogeneic HCT (prior autologous transplant is allowed) 2. Previous formal unrelated donor search

• Age Patients must be ≤21 years of age at the time of enrollment. 1. Phase 1
•Initial enrollment will be restricted to patients < 18 years of age until 9 such patients are enrolled 2. Phase 2
•Initial enrollment will be restricted to patients < 18 years of age until 6 such patients are enrolled
• Diagnosis Patients must have a diagnosis of relapsed/refractory ALL or LLy with or without extramedullary disease (including CNS2 and CNS3). Patient with mixed phenotype ALL or mature B (Burkitt-like) leukemia are not eligible. 1. Patients with ALL must have ≥ 5% blasts by morphology. 2. Patients with LLy must have measurable disease documented by clinical, radiologic or histologic criteria
• Performance Level Karnofsky ≥ 50% for patients > 16 years of age and Lansky ≥ 50% for patients ≤ 16 years of age.
• Prior Therapy A. Prior therapeutic attempts
• Phase 1
•Any patients with relapsed/refractory ALL or LLy
• Phase 2 1. B-cell ALL/LLy: all patients must have failed two or more therapeutic attempts. 2. T-cell ALL/LLy: all patients must have failed one or more therapeutic attempts. B. Recent prior chemotherapy Patients must have fully recovered from the acute toxic effects of all prior chemotherapy, immunotherapy, or radiotherapy prior to entering this study.
• Cytoreduction with hydroxyurea Hydroxyurea can be initiated and continued for up to 24 hours prior to the start of protocol therapy.
• Patients who relapsed while they are receiving cytotoxic therapy At least 14 days must have elapsed since the completion of the last dose of chemotherapy,except Intrathecal chemotherapy, and/or maintenance therapy such as vincristine, mercaptopurine, methotrexate or glucocorticoids. There is no waiting period for those relapsing on maintenance therapy. C. Hematopoietic stem cell transplant: Patients who have experienced their relapse after a HSCT are eligible, provided they have no evidence of acute or chronic Graft-versus-Host Disease (GVHD), are not receiving GVHD prophylaxis or treatment, and are at least 90 days post-transplant at the time of enrollment. D. Hematopoietic growth factors: It must have been at least 7 days since the completion of therapy with G-CSF or other growth factors at the time of enrollment. It must have been at least 14 days since the completion of therapy with pegfilgrastim (Neulasta®). E. Biologic (anti-neoplastic agent): At least 7 days since the last dose of a biologic agent. For agents that have known adverse events occurring beyond 7 days after administration, this period must be extended beyond the time during which adverse events are known to occur. The duration of this interval must be discussed with the study chair 1. Monoclonal antibodies: At least 3 half-lives of the antibody must have elapsed after the last dose of monoclonal antibody. (i.e., blinatumomab = 6 hours,44 inotuzumab = 37 days, rituximab = 66 days) 2. Immunotherapy: At least 30 days after the completion of any type of immunotherapy, e.g., tumor vaccines, CAR T cells. F. XRT: Craniospinal XRT is prohibited during protocol therapy. No washout period is necessary for radiation given to any extramedullary site other than CNS; ≥90 days must have elapsed if prior total body irradiation (TBI) or craniospinal XRT. G. Anthracyclines: Patients must have had a lifetime exposure of <400 mg/m2 of doxorubicin equivalents of anthracyclines. H. Proteasome inhibitors: Patients with a prior exposure to proteasome inhibitors (e.g., bortezomib, carfilzomib) are eligible as long as the patient demonstrated at least a partial response to a proteasome inhibitor with chemotherapy combination. -Renal and hepatic function Patients must have adequate renal and hepatic functions as indicated by the following laboratory values: A. Adequate renal function defined as: Patient must have a calculated creatinine clearance or radioisotope GFR 70ml/min/1.73m2 OR a normal serum creatinine based on age/gender B. Adequate Liver Function Defined as: Direct bilirubin ≤ 1.5 x upper limit of normal (ULN) for age or normal (except in the presence of Gilbert's syndrome), AND alanine transaminase (ALT) ≤ 5 x ULN for age. The hepatic requirements are waived for patients with known or suspected liver involvement by leukemia or lymphoma. This must be reviewed by and approved by the study chair or vice chair.
• Adequate Cardiac Function Defined as: Shortening fraction of more than or equal to 27% by echocardiogram, OR ejection fraction of equal to or more than 50% by radionuclide angiogram (MUGA).
• Reproductive Function A. Female patients of childbearing potential must have a negative urine or serum pregnancy test confirmed within 2 weeks prior to enrollment. B. Female patients with infants must agree not to breastfeed their infants while on this study. C. Male and female patients of child-bearing potential must agree to use an effective method of contraception approved by the investigator during the study and for a minimum of 6 months after study treatment.
• Informed Consent Patients and/or their parents or legal guardians must be capable of understanding the investigational nature, potential risks and benefits of the study. All patients and/or their parents or legal guardians must sign a written informed consent. Age appropriate assent will be obtained per institutional guidelines. To allow non-English speaking patients to participate in this study, bilingual health services will be provided in the appropriate language when feasible.
• All institutional, FDA, and OHRP requirements for human studies must be met. Patients will be excluded if they have isolated CNS or testicular disease. Patients will be excluded if they have ≥grade 2 peripheral sensory or motor neuropathy (defined by the Modified "Balis" Pediatric Scale of Pediatric Neuropathies) at the time of enrollment (see section 4.7.1.1). Patients will be excluded if they have a known allergy or intolerance to any of the drugs used in the study
•except for PEG-asparaginase for which erwinia asparaginase may be substituted Patients will be excluded if they have a systemic fungal, bacterial, viral or other infection that is exhibiting ongoing signs/symptoms related to the infection without improvement despite appropriate antibiotics or other treatment. The patient needs to be off pressors and have negative blood cultures for 48 hours. Patients will be excluded if there is a plan to administer non-protocol chemotherapy, radiation therapy, or immunotherapy during the study period. Patients will be excluded if they have significant concurrent disease, illness, psychiatric disorder or social issue that would compromise patient safety or compliance with the protocol treatment or procedures, interfere with consent, study participation, follow up, or interpretation of study results. Patients with DNA fragility syndromes (such as Fanconi anemia, Bloom syndrome) are excluded. Patients will be excluded if they have had a lifetime exposure of ≥400 mg/m2 doxorubicin equivolents of anthracyclines (anthracycline equivalence to doxorubicin conversion see appendix iv) . Concomitant medications Investigational drugs: Patients currently receiving another investigational drug are not eligible. Anti-GVHD agents post transplant: patients who are receiving cyclosporine, tacrolimus or other agents to prevent graft-versus-host disease post hematopoetic stem cell transplant are not eligible. CYP3A4 agents: patients who are currently receiving drugs that are strong inducers of CYP3A4 are not eligible. Strong inducers of CYP3A4 should be avoided from 14 days prior to enrollment to the end of the study. See appendix ii for a list of agents which fall into this category. Patients with Ph+ALL and Ph-like ALL who are currently receiving TKI therapy Infants or Patients with Down Syndrome will be excluded in phase 2 of the study

Key 1. Documented genetic ALK, ROS1, or NTRK1-3 alteration (point mutation, fusion, amplification) as identified by local testing in a Clinical Laboratory Improvement Amendments (CLIA) laboratory in the US or equivalently accredited diagnostic lab outside the United States (US) is required. 2. Age <12 years. 3. Prior cytotoxic chemotherapy is allowed. 4. Prior immunotherapy is allowed. 5. Resolution of all acute toxic effects (excluding alopecia) of any prior anti-cancer therapy to National Cancer Institute Common Terminology Criteria for Adverse Events (NCI CTCAE) Version 4.03 Grade less than or equal to 1. 6. All subjects must have measurable disease by RECIST v1.1 or Response Assessment in Neuro-Oncology Criteria (RANO) criteria at time of enrollment. 7. Subjects with a primary CNS tumor or CNS metastases must be neurologically stable on a stable or decreasing dose of steroids for at least 14 days prior to enrollment. 8. Subjects must have a Lansky (< 16 years) or Karnofsky (≥ 16 years) score of at least 50. 9. Life expectancy greater than or equal to 12 weeks. 10. Adequate hematologic, renal and hepatic function. Phase 2 1. Age 12 to <25 years 2. Cohort Specific
• Cohort 1: Subjects with NTRK fusion gene positive (NTRK+) advanced solid tumors (including primary CNS tumors), that are tropomyosin receptor kinase (TRK) TKI naïve;
• Cohort 2: subjects with NTRK+ advanced solid tumors (including primary CNS tumors), that are TRK TKI pre-treated;
• Cohort 3: subjects with tumors or ALCL characterized by other ALK/ROS1/NTRK alterations or NTRK fusions without centrally confirmed measurable disease or not otherwise eligible for Cohort 1 or 2. 3. Subjects in Cohorts 1 and 2 must have prospectively confirmed measurable disease by BICR prior to enrollment. Key Exclusion Criteria (Phase 1 and Phase 2): 1. Subjects with neuroblastoma with only bone marrow disease evaluable by bone marrow aspiration only. 2. Major surgery within 14 days (2 weeks) of start of repotrectinib treatment. Central venous access (Broviac, Mediport, etc.) placement does not meet criteria for major surgery. 3. Known active infections (bacterial, fungal, viral including HIV positivity). 4. Gastrointestinal disease (e.g., Crohn's disease, ulcerative colitis, or short gut syndrome) or other malabsorption syndromes that would impact drug absorption. 5. Any of the following cardiac criteria:
• Mean resting corrected QT interval (ECG interval measured from the onset of the QRS complex to the end of the T wave) for heart rate (QTc) > 470 msec obtained from three ECGs, using the screening clinic ECG machine-derived QTc value
• Any clinically important abnormalities in rhythm, conduction, or morphology of resting ECG (e.g., complete left bundle branch block, third degree heart block, second degree heart block, PR interval > 250 msec)
• Any factors that increase the risk of QTc prolongation or risk of arrhythmic events such as heart failure, congenital long QT syndrome, family history of long QT syndrome, or any concomitant medication known to prolong the QT interval 6. Peripheral neuropathy of CTCAE ≥grade 2. 7. Subjects being treated with or anticipating the need for treatment with strong CYP3A4 inhibitors or inducers.

• ELIGIBILITY CRITERIA FOR ENROLLMENT ONTO APEC1621SC: Patients with recurrent or refractory solid tumors, including non-Hodgkin lymphomas, histiocytoses (e.g. langerhans cell histiocytosis [LCH], juvenile xanthogranuloma [JXG], histiocytic sarcoma), and central nervous system (CNS) tumors are eligible; patients must have had histologic verification of malignancy at original diagnosis or relapse except in patients with intrinsic brain stem tumors, optic pathway gliomas, or patients with pineal tumors and elevations of cerebrospinal fluid (CSF) or serum tumor markers including alpha-fetoprotein or beta-human chorionic gonadotropin (HCG); in cases where patient enrolls prior to histologic confirmation of recurrent disease, patient is ineligible and should be withdrawn from study if histology fails to confirm recurrence; please note: Patients with Hodgkin lymphoma and plexiform neurofibroma are not eligible
• ELIGIBILITY CRITERIA FOR ENROLLMENT ONTO APEC1621SC: Patients must have an formalin-fixed paraffin-embedded (FFPE) tumor sample available for MATCH study testing from a biopsy or surgery that was performed at any point after initial tumor recurrence/progression, or be planned to have a procedure to obtain such a sample that is considered to be of potential benefit by the treating clinicians; a tumor sample from a clinically performed diagnostic (pre-treatment) biopsy will be acceptable for enrollment onto Pediatric MATCH only for children with high-grade gliomas of the brainstem (diffuse intrinsic pontine gliomas) or thalamus
• Please note: Samples that have been decalcified using standardly utilized acid-based decalcification methods are not generally suitable for MATCH study testing; the nucleic acids will have been degraded in the decalcification process
• ELIGIBILITY CRITERIA FOR ENROLLMENT ONTO APEC1621SC: Karnofsky >= 50% for patients > 16 years of age and Lansky >= 50 for patients =< 16 years of age); note: neurologic deficits in patients with CNS tumors must have been stable for at least 7 days prior to study enrollment; 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
• ELIGIBILITY CRITERIA FOR ENROLLMENT ONTO APEC1621SC: Patients must have radiographically measurable disease; measurable disease based on imaging obtained less than or equal to 56 days prior to enrollment; patients with neuroblastoma who do not have measurable disease but have metaiodobenzylguanidine (MIBG) positive (+) evaluable disease are eligible; measurable disease in patients with central nervous system (CNS) involvement is defined as tumor that is measurable in two perpendicular diameters on magnetic resonance imaging (MRI) and visible on more than one slice
• Note: The following do not qualify as measurable disease:
• Malignant fluid collections (e.g., ascites, pleural effusions)
• Bone marrow infiltration except that detected by MIBG scan for neuroblastoma
• Lesions only detected by nuclear medicine studies (e.g., bone, gallium or positron emission tomography [PET] scans) except as noted for neuroblastoma
• Elevated tumor markers in plasma or CSF
• Previously radiated lesions that have not demonstrated clear progression post radiation
• Leptomeningeal lesions that do not meet the measurement requirements for Response Evaluation Criteria in Solid Tumors (RECIST) 1.1
• GENERAL INCLUSION CRITERIA FOR SUBPROTOCOLS: NOTE: patient does not need to meet all subprotocol criteria at time of enrollment onto the APEC1621SC screening protocol, but will need to meet all criteria prior to enrollment on any assigned treatment subprotocol. Patients must be enrolled onto a subprotocol within 8 weeks (56 days) of treatment assignment
• GENERAL INCLUSION CRITERIA FOR SUBPROTOCOLS: Karnofsky >= 50% for patients > 16 years of age and Lansky >= 50 for patients =< 16 years of age); Note: neurologic deficits in patients with CNS tumors must have been stable for at least 7 days prior to study enrollment; 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
• GENERAL INCLUSION CRITERIA FOR SUBPROTOCOLS: At the time of treatment with subprotocol specified therapy, the patients must have radiographically measurable disease; patients with neuroblastoma who do not have measurable disease but have MIBG+ evaluable are eligible; measurable disease in patients with CNS involvement is defined as tumor that is measurable in two perpendicular diameters on MRI and visible on more than one slice
• Note: The following do not qualify as measurable disease:
• Malignant fluid collections (e.g., ascites, pleural effusions)
• Bone marrow infiltration except that detected by MIBG scan for neuroblastoma
• Lesions only detected by nuclear medicine studies (e.g., bone, gallium or positron emission tomography [PET] scans) except as noted for neuroblastoma
• Elevated tumor markers in plasma or CSF
• Previously radiated lesions that have not demonstrated clear progression post radiation
• Leptomeningeal lesions that do not meet the measurement requirements for RECIST 1.1
• GENERAL INCLUSION CRITERIA FOR SUBPROTOCOLS: At the time of enrollment onto a subprotocol, the following general criteria for initiation of therapy will be required:
• Patients must have fully recovered from the acute toxic effects of all prior anticancer therapy and must meet the following minimum duration from prior anticancer directed therapy prior to enrollment to the subprotocol; if after the required timeframe, the numerical eligibility criteria are met, e.g. blood count criteria, the patient is considered to have recovered adequately
• Cytotoxic chemotherapy or other anticancer agents known to be myelosuppressive: for agents not listed, the duration of this interval must be discussed with the study chair and the study-assigned research coordinator prior to enrollment >= 21 days after the last dose of cytotoxic or myelosuppressive chemotherapy (42 days if prior nitrosourea)
• Anticancer agents not known to be myelosuppressive (e.g. not associated with reduced platelet or absolute neutrophil counts [ANC]): >= 7 days after the last dose of agent; for agents not listed, the duration of this interval must be discussed with the study chair and the study-assigned research coordinator prior to enrollment
• Antibodies: >= 21 days must have elapsed from infusion of last dose of antibody, and toxicity related to prior antibody therapy must be recovered to grade =< 1
• Corticosteroids: If used to modify immune adverse events related to prior therapy, >= 14 days must have elapsed since last dose of corticosteroid
• Hematopoietic growth factors: >= 14 days after the last dose of a long-acting growth factor (e.g. Neulasta) or 7 days for short-acting growth factor; for agents that have known adverse events occurring beyond 7 days after administration, this period must be extended beyond the time during which adverse events are known to occur; the duration of this interval must be discussed with the study chair and the study-assigned research coordinator
• Interleukins, interferons and cytokines (other than hematopoietic growth factors): >= 21 days after the completion of interleukins, interferon or cytokines (other than hematopoietic growth factors)
• Stem cell infusions (with or without total-body irradiation [TBI]):
• Allogeneic (non-autologous) bone marrow or stem cell transplant, or any stem cell infusion including donor lymphocyte infusion (DLI) or boost infusion: >= 84 days after infusion and no evidence of graft versus host disease (GVHD)
• Autologous stem cell infusion including boost infusion: >= 42 days
• Cellular therapy: >= 42 days after the completion of any type of cellular therapy (e.g. modified T cells, NK cells, dendritic cells, etc.)
• X-ray therapy (XRT)/External Beam Irradiation including Protons: >= 14 days after local XRT; >= 150 days after TBI, craniospinal XRT or if radiation to >= 50% of the pelvis; >= 42 days if other substantial bone marrow (BM) radiation; note: radiation may not be delivered to "measurable disease" tumor site(s) being used to follow response to subprotocol treatment
• Radiopharmaceutical therapy (e.g., radiolabeled antibody, 131I-MIBG): >= 42 days after systemically administered radiopharmaceutical therapy
• GENERAL INCLUSION CRITERIA FOR SUBPROTOCOLS: For patients with solid tumors without known bone marrow involvement:
• Peripheral absolute neutrophil count (ANC) >= 1000/mm^3
• Platelet count >= 100,000/mm^3 (transfusion independent, defined as not receiving platelet transfusions for at least 7 days prior to enrollment)
• GENERAL INCLUSION CRITERIA FOR SUBPROTOCOLS: Patients with known bone marrow metastatic disease will be eligible for study provided they meet the blood counts (may receive transfusions provided they are not known to be refractory to red cell or platelet transfusions); these patients will not be evaluable for hematologic toxicity
• GENERAL INCLUSION CRITERIA FOR SUBPROTOCOLS: Creatinine clearance or radioisotope glomerular filtration rate (GFR) >= 70 ml/min/1.73 m^2 or a serum creatinine based on age/gender as follows:
• Age: 1 to < 2 years; maximum serum creatinine (mg/dL): male 0.6; female 0.6
• Age: 2 to < 6 years; maximum serum creatinine (mg/dL): male 0.8; female 0.8
• Age: 6 to < 10 years; maximum serum creatinine (mg/dL): male 1; female 1
• Age: 10 to < 13 years; maximum serum creatinine (mg/dL): male 1.2; female 1.2
• Age: 13 to < 16 years; maximum serum creatinine (mg/dL): male 1.5; female 1.4
• Age: >= 16 years; maximum serum creatinine (mg/dL): male 1.7; female 1.4
• GENERAL INCLUSION CRITERIA FOR SUBPROTOCOLS: Bilirubin (sum of conjugated + unconjugated) =< 1.5 x upper limit of normal (ULN) for age
• GENERAL INCLUSION CRITERIA FOR SUBPROTOCOLS: Serum glutamate pyruvate transaminase (SGPT) (alanine transferase [ALT]) =< 135 U/L (for the purpose of this study, the ULN for SGPT is 45 U/L)
• GENERAL INCLUSION CRITERIA FOR SUBPROTOCOLS: Patients must be able to swallow intact capsules/tablets, unless otherwise specified in the subprotocol to which they are assigned
• GENERAL INCLUSION CRITERIA FOR SUBPROTOCOLS: Agent specific limitations on prior therapy will be included with specific treatment subprotocols
• GENERAL EXCLUSION CRITERIA FOR SUBPROTOCOLS: Pregnant or breast-feeding women will not be entered on this study due to risks of fetal and teratogenic adverse events as seen in animal/human studies, or because there is currently no available information regarding human fetal or teratogenic toxicities; pregnancy tests must be obtained in females who are post-menarchal; males or females of reproductive potential may not participate unless they have agreed to use an effective contraceptive method
• GENERAL EXCLUSION CRITERIA FOR SUBPROTOCOLS: Concomitant medications
• Corticosteroids: at the time of consent and enrollment to regimen specific subprotocols, patients receiving corticosteroids who have not been on a stable or decreasing dose of corticosteroid for at least 7 days prior to enrollment to the subprotocol will not be eligible; if used to modify immune adverse events related to prior therapy, >= 14 days must have elapsed since last dose of corticosteroid
• Investigational drugs: patients must meet criteria for prior therapy at the time of consent and enrollment to a subprotocol; other investigational agents may not be administered to patients while they are receiving study drug as part of a subprotocol
• Anticancer agents: patients must meet criteria for prior therapy at the time of consent and enrollment to a subprotocol; other investigational agents may not be administered to patients while they are receiving study drug as part of a subprotocol
• Anti-GVHD agents post-transplant: patients who are receiving cyclosporine, tacrolimus or other agents to prevent graft-versus-host disease post bone marrow transplant are not eligible
• GENERAL EXCLUSION CRITERIA FOR SUBPROTOCOLS: Patients who have an uncontrolled infection are not eligible
• GENERAL EXCLUSION CRITERIA FOR SUBPROTOCOLS: Patients who have had a prior solid organ transplant are not eligible
• GENERAL EXCLUSION CRITERIA FOR SUBPROTOCOLS: Additional agent specific criteria will be included with specific treatment subprotocols