Clinical trial NCT04546399: A Study to Compare Blinatumomab Alone to Blinatumomab With Nivolumab in Patients Diagnosed With First Relapse B-Cell Acute Lymphoblastic Leukemia (B-ALL)
Official title: A Phase 2 Study of Blinatumomab (NSC# 765986) in Combination With Nivolumab (NSC # 748726), a Checkpoint Inhibitor of PD-1, in B-ALL Patients Aged >/= 1 to < 31 Years Old With First Relapse
Study type: INTERVENTIONAL
Overall status: SUSPENDED
Phase: PHASE2
Conditions: Down Syndrome
Recurrent B Acute Lymphoblastic Leukemia
Lead sponsor: National Cancer Institute (NCI)
Sponsor class: NIH
First posted: 2020-09-14
Enrollment: 300
Sex: ALL
Minimum age (years): 1
Maximum age (years): 30
Standard ages: CHILD
ADULT
Accepts healthy volunteers: no
Allocation: RANDOMIZED
Intervention model: PARALLEL
Primary purpose: TREATMENT

Brief summary: This phase II trial studies the effect of nivolumab in combination with blinatumomab compared to blinatumomab alone in treating patients with B-cell acute lymphoblastic leukemia (B-ALL) that has come back (relapsed). Down syndrome patients with relapsed B-ALL are included in this study. Blinatumomab is an antibody, which is a protein that identifies and targets specific molecules in the body. Blinatumomab searches for and attaches itself to the cancer cell. Once attached, an immune response occurs which may kill the cancer cell. Nivolumab is a medicine that may boost a patient's immune system. Giving nivolumab in combination with blinatumomab may cause the cancer to stop growing for a period of time, and for some patients, it may lessen the symptoms, such as pain, that are caused by the cancer.

Detailed description: PRIMARY OBJECTIVES:

I. To compare event free survival post reinduction (EFS PR) between blinatumomab vs. blinatumomab/nivolumab in Group 4 patients aged ≥ 1 to \<31 years old with first relapse of CD19+ B ALL.

II. To compare EFS PR (EFS post-reinduction) between consolidation with blinatumomab vs. blinatumomab/nivolumab in Group 3 patients aged \>= 1 to \< 31 years old with first relapse of CD19+ B ALL.

SECONDARY OBJECTIVES:

I. To evaluate the safety and tolerability of blinatumomab/nivolumab in patients aged \>= 1 to \< 31 years old with first relapse of CD19+ B ALL.

EXPLORATORY OBJECTIVES:

I. In Group 4 patients, compare EFS PR between blinatumomab monotherapy and blinatumomab/nivolumab arms as compared to similar patients treated on the predecessor trial AALL1331.

II. In Group 4 patients, compare toxicity as defined by grade 3 or greater adverse events during the first cycle of blinatumomab or blinatumomab/nivolumab.

III. In Group 4 patients, compare MRD negative second remission (Rem-2) rate after the first cycle of immunotherapy between blinatumomab monotherapy and blinatumomab/nivolumab arms.

IV. In patients with Down syndrome (DS) with first relapse of B-ALL, describe the safety, tolerability and efficacy (as defined by MRD negative second remission, Rem-2) after up to two cycles of blinatumomab/nivolumab.

V. With each Group, perform subset analyses of EFS and overall survival (OS) based on features including degree of marrow disease at relapse, age, sex, body mass index, cytogenetics, site(s) of relapse, percent peripheral blasts at relapse and absolute lymphocyte count at first relapse.

OUTLINE:

Patients \>= 18 years old with marrow +/- extramedullary (EM) relapse of any duration after initial diagnosis, or patients \< 18 years old with marrow +/- EM relapse \< 24 months after initial diagnosis are assigned to Group 1. Patients \< 18 years old with marrow +/- EM relapse \>= 24 months from initial diagnosis, or all isolated extramedullary (IEM) relapses \>= 1 to \< 31 years old are assigned to Groups 2-3 re-induction. Patients with DS are assigned to Arm G. NOTE: Patients in Group 1 and DS patients with white blood cells (WBC) \>= 30,000/uL, CNS 2/3 disease, or testicular disease must first receive 1 of 3 pre-immunotherapy treatments.

Starting with amendment 4C (9/19/2024), patients with DS are assigned to group 3 or 4. Patients \< 18 years with bone marrow first relapse ≥ 36 months from initial diagnosis with MRD \<0.1% after VXLD reinduction or with isolated CNS/testicular extramedullary relapse occurring ≥ 18 months from initial diagnosis with MRD \<0.1% after VXLD reinduction are assigned to group 3. Patients who do not meet criteria for group 3 will be assigned to group 4. Patients with Down syndrome ≥ 1 to \< 31 years of age with first bone marrow relapse of B ALL are assigned to arm G.

PRE-IMMUNOTHERAPY TREATMENT FOR PATIENTS WITH WBC \>= 30,000/uL (CLOSED TO ACCRUAL 9/19/2024 EXCEPT FOR ARM G) : Patients receive methotrexate (MTX) intrathecally (IT) or cytarabine IT or intrathecal triple therapy (ITT) consisting of MTX, hydrocortisone sodium succinate, and cytarabine IT at the time of diagnostic lumbar puncture (LP) or on day 1 (if intrathecal therapy is given with relapse diagnostic LP \< 7 days prior to the start of protocol therapy). Patients also receive dexamethasone intravenously (IV) or orally (PO) twice daily (BID) on days 1-5, vincristine sulfate via infusion or IV IV push over 1 minute on day 1. Patients with DS also receive leucovorin calcium PO or IV every 6 hours (q6h) for 2 doses on day 2 or at 24 and 30 hours after each IT administration. Patients should proceed to the next cycle when CNS 1 and no testicular disease is present, no sooner than Day 8 and no later than Day 15.

PRE-IMMUNOTHERAPY TREATMENT FOR CNS 2/3 DISEASE (CLOSED TO ACCRUAL 9/19/2024 EXCEPT FOR ARM G): Patients receive MTX IT or cytarabine IT twice weekly (Q2W) for 5-7 doses or Intrathecal Triple Therapy (ITT) IT Q2W for 3-4 doses until patient is CNS 1. Patients with DS also receive leucovorin calcium PO or IV q6h for 2 doses at 24 and 30 hours after each IT administration. Patients should proceed to the next cycle when CNS 1 and no testicular disease is present, no sooner than Day 15 and no later than Day 24.

PRE-IMMUNOTHERAPY TREATMENT FOR TESTICULAR DISEASE(CLOSED TO ACCRUAL 9/19/2024 EXCEPT FOR ARM G): Patients receive MTX IT, cytarabine IT, or ITT IT on days 1 and 15 (day 1 may be omitted if intrathecal therapy is given with relapse diagnostic LP \< 7 days prior to the start of protocol therapy). Patients with DS also receive leucovorin calcium PO or IV q6h for 2 doses on days 2 and 16 or at 24 and 30 hours after each IT administration. Males with testicular disease at relapse undergo radiation once daily (QD) for a total of 12 fractions over 12 days. Patients should proceed to the next cycle when CNS 1 and no testicular disease is present, no sooner than Day 15 and no later than Day 22.

GROUP 1 (CLOSED TO ACCRUAL 9/19/2024): Patients are randomized to Arm A or Arm B.

ARM A: Patients receive dexamethasone PO or IV on days 1 and 8 of cycle 1, blinatumomab via continuous IV infusion on days 1-28 of cycles 1-2, MTX IT, cytarabine IT, or ITT IT on days 1, 15, and 36 of cycle 1 (MTX, cytarabine, and ITT on day 1 may be omitted if intrathecal therapy was given \< 7 days prior to the start of this cycle), and MTX IT, cytarabine IT, or ITT IT on days 15 and 36 of cycle 2. Treatment repeats every 36 days for 2 cycles in the absence of disease progression or unacceptable toxicity. NOTE: Patients with MRD \< 0.01% after cycle 1 may stop study treatment or may choose to continue to cycle 2. Patients with MRD \>= 0.01% after cycle 1 proceed to cycle 2.

ARM B: Patients receive dexamethasone, blinatumomab, and MTX, cytarabine, or ITT as in Arm A. Patients also receive nivolumab IV over 30 minutes on days 11 and 25 of cycle 1 and days 1 and 15 of cycle 2. Treatment repeats every 36 days for 2 cycles in the absence of disease progression or unacceptable toxicity. NOTE: Patients with MRD \< 0.01% after cycle 1 may stop study treatment or may choose to continue to cycle 2. Patients with MRD \>= 0.01% after cycle 1 proceed to cycle 2.

GROUPS 2-4 VXLD REINDUCTION: Patients receive vincristine sulfate via infusion or IV push over 1 minute on days 1, 8, 15, and 22, dexamethasone PO or IV on days 1-14, doxorubicin hydrochloride IV over 1-15 minutes on day 1, MTX IT on days 1, 8, and 29 (day 1 IT may be omitted if intrathecal therapy is given with relapse diagnostic LP \< 7 days prior to the start of this cycle) (days 8 and 29 for CNS 1 patients at relapse only), pegaspargase intramuscularly (IM) or IV over 1-2 hours on days 2 and 16 or calasparagase IV over 1-2 hours on day 2 (for patients ≤ 22 years), cytarabine IT on days 4 and 11 (CNS 2 patients at relapse only), then Q2W until 3 consecutive samples are clear of blasts, and ITT IT on days 8, 15, 22, and 29 (CNS 3 patients at relapse only). Treatment continues in the absence of disease progression or unacceptable toxicity.

GROUP 2 (CLOSED TO ACCRUAL 9/19/2024): The following patients are randomized to Arm C or Arm D: 1) \>= 1 to \< 31 years old, IEM relapse \< 18 months from diagnosis, regardless of MRD after Re-Induction. 2) \< 18 years old with marrow relapse \>= 24 to \< 36 months from diagnosis regardless of MRD after Re-Induction, 3) \>= 1 to \< 31 years old, IEM relapse \>= 18 months, and MRD \>= 0.1% after Re-Induction, 4) \< 18 years old with marrow relapse \>= 36 months, and MRD \>= 0.1% after Re-Induction.

ARM C: Patients receive dexamethasone PO or IV on day 1 of cycle 1, blinatumomab via continuous IV infusion on days 1-28 of cycles 1 and 2, and MTX IT on days 1 and 15 of cycles 1 and 2 (day 1 may be omitted from cycle 1 if intrathecal MTX is given \< 7 days prior to the start of cycle 1 ). Treatment repeats every 36 days for 2 cycles in the absence of disease progression or unacceptable toxicity. NOTE: Patients with MRD \< 0.01% after cycle 1 may stop study treatment or may choose to continue to cycle 2. Patients with MRD \>= 0.01% after cycle 1 proceed to cycle 2.

ARM D: Patients receive dexamethasone, blinatumomab, and MTX as in Arm C. Patients also receive nivolumab IV over 30 minutes on days 11 and 25 of cycle 1 and days 1 and 15 of cycle 2. Treatment repeats every 36 days for 2 cycles in the absence of disease progression or unacceptable toxicity. NOTE: Patients with MRD \< 0.01% after cycle 1 may stop study treatment or may choose to continue to cycle 2. Patients with MRD \>= 0.01% after cycle 1 proceed to cycle 2.

GROUP 3: Patients are randomized to Arm E or Arm F.

ARM E:

IMMUNOTHERAPY CYCLES 1-2: Patients receive dexamethasone PO or IV on day 1 of cycle 1 only, blinatumomab IV via continuous infusion on days 1-28, and MTX IT on days 1 and 15 (day 1 may be omitted from cycle 1 if intrathecal therapy is given \< 7 days prior to the start of this cycle). Immunotherapy cycles 1-2 alternate with Consolidation cycles 1-2.

CONSOLIDATION: Patients receive dexamethasone PO or IV on days 1-5, methotrexate IV, over 24 hours, on days 8 and 22, methotrexate IT on days 8 and 22 (CNS 1/2 at relapse only) or ITT IT on days 8 and 22 (CNS 3 at relapse only).

INTENSIFICATION CYCLES 1-2: Patients receive dexamethasone PO on days 1-5, vincristine sulfate IV push over 1 minute or via infusion on day 1, mercaptopurine PO on days 1-42, methotrexate IV over 24 hours on days 8 and 22, cytarabine IV, over 3 hours on days 43 and 44, asaparaginase erwinia recombiant IM or crisantaspase/asparaginase erwinia IM or IV over 1-2 hours on day 44, methotrexate IT on days 1 and 43 (CNS 1/2 at relapse only) or ITT IT on days 1 and 43 (CNS 3 at relapse only).

IMMUNOTHERAPY CYCLE 3: Patients receive blinatumomab IV via continuous infusion on days 1-28, and MTX IT on days 1 and 15 (CNS 1/2 at relapse only) or ITT IT on days 1 and 15 (CNS 3 at relapse only).

MAINTENANCE: Patients receive dexamethasone PO BID on days 1-5, 29-33, and 57-61, vincristine sulfate IV push over 1 minute or via infusion on days 1, 29, and 57, mercaptopurine PO on days 1-84, MTX IT on day 1 (CNS 1/2 patients at relapse only), ITT IT on day 1 (CNS 3 patients at relapse only), and MTX PO on days 8, 15, 22, 29, 36, 43, 50, 57, 64, 71, and 78. Treatment repeats every 12 weeks for 2 years from the start of Re-Induction therapy in the absence of disease progression or unacceptable toxicity.

MAINTENANCE CHEMORADIATION (FOR CNS 3 PATIENTS ONLY): Beginning between the first and second cycles of maintenance therapy, patients receive dexamethasone PO BID on days 1-7 and 15-21, vincristine sulfate IV push over 1 minute or via infusion on days 1, 8, and 15, and pegaspargase IM or IV over 1-2 hours or calaspargase IV over 1-2 hours on day 1. Patients with CNS 3 and isolated CNS relapse undergo cranial radiation in the form of 3-dimensional (D)-conformal radiation therapy (CRT) over 5 days per week for a total of 10 treatments.

ARM F:

IMMUNOTHERAPY CYCLES 1-2: Patients receive dexamethasone PO or IV on day 1 of cycle 1 only, blinatumomab IV via continuous infusion on days 1-28, nivolumab IV over 30 minutes on days 11 of cycle 1 and on days 1 of cycles 2 and 3, and MTX IT on days 1 and 15 (CNS 1/2 patients at relapse only)(day 1 may be omitted from cycle 1 if intrathecal therapy is given with \< 7 days prior to the start of this cycle) or , ITT IT on day 1 (CNS 3 patients at relapse only) (day 1 may be omitted from cycle 1 if intrathecal therapy is given with \< 7 days prior to the start of this cycle). Immunotherapy cycles 1-2 alternate with Consolidation cycles 1-2.

CONSOLIDATION CYCLES 1-2: Patients receive dexamethasone PO on days 1-5, vincristine sulfate IV push over 1 minute or via infusion on day 1, methotrexate IV, over 24 hours, on days 8 and 22, methotrexate IT on days 8 and 22 (CNS 1/2 at relapse only) or ITT IT on days 8 and 22 (CNS 3 at relapse only).

INTENSIFICATION CYCLES 1-2: Patients receive dexamethasone PO on days 1-5, vincristine sulfate IV push over 1 minute or via infusion on day 1, mercaptopurine PO on days 1-42, methotrexate IV over 24 hours on days 8 and 22, cytarabine IV, over 3 hours on days 43 and 44, asaparaginase erwinia recombiant IM or crisantaspase/asparaginase erwinia IM or IV over 1-2 hours on day 44, methotrexate IT on days 1 and 43 (CNS 1/2 at relapse only) or ITT IT on days 1 and 43 (CNS 3 at relapse only).

IMMUNOTHERAPY CYCLE 3: Patients receive blinatumomab IV via continuous infusion on days 1-28, nivolumab IV over 30 minutes on days 1 and 15 and MTX IT on days 1 and 15.

MAINTENANCE: Patients receive dexamethasone PO BID on days 1-5, 29-33, and 57-61, vincristine sulfate IV push over 1 minute or via infusion on days 1, 29, and 57, mercaptopurine PO on days 1-84, MTX IT on day 1 (CNS 1/2 patients at relapse only), ITT IT on day 1 (CNS 3 patients at relapse only), and MTX PO on days 8, 15, 22, 29, 36, 43, 50, 57, 64, 71, 78. Treatment repeats every 12 weeks for 2 years from the start of Re-Induction therapy in the absence of disease progression or unacceptable toxicity.

MAINTENANCE CHEMORADIATION (FOR CNS 3 PATIENTS): Beginning between the first and second cycles of maintenance therapy, patients receive dexamethasone PO BID on days 1-7 and 15-21, vincristine sulfate IV push over 1 minute or via infusion on days 1, 8, and 15, and pegaspargase IM or IV over 1-2 hours or calaspargase IV over 1-2 hours on day 1. Patients with CNS 3 and isolated CNS relapse undergo cranial radiation in the form of 3-dimensional (D)-conformal radiation therapy (CRT) over 5 days per week for a total of 10 treatments.

GROUP 4: Patients are randomized to arm H or arm I.

ARM H: Patients receive dexamethasone PO or IV on day 1 and 8 of cycle 1 only, blinatumomab IV via continuous infusion on days 1-28 and MTX IT on days 1 of cycle 1 only and days 15 and 36 ( for patients with CNS1/2 at relapse only) or ITT on day 1 of cycle 1 only and days 15 and 36 (for patients with CNS 3 at relapse only) (day 1 IT therapy may be omitted from cycle 1 if intrathecal therapy is given with \< 7 days prior to the start of this cycle). Cycles repeat every 36 days for up to 2 cycles in the absence of disease progression or unacceptable toxicity.

ARM I: Patients receive dexamethasone PO or IV on day 1 and 8 of cycle 1 only, blinatumomab IV via continuous infusion on days 1-28, nivolumab IV, over 30 minutes on day 11 of cycle 1 and day 3 of cycle 2 and MTX IT on days 1 of cycle 1 only and days 15 and 36 ( for patients with CNS 1/2 at relapse only) or ITT on day 1 of cycle 1 only and days 15 and 36 (for patients with CNS 3 at relapse only) (day 1 IT therapy may be omitted from cycle 1 if intrathecal therapy is given with \< 7 days prior to the start of this cycle). Cycles repeat every 36 days for up to 2 cycles in the absence of disease progression or unacceptable toxicity.

ARM G (DS PATIENTS): Patients receive dexamethasone PO or IV on days 1 and 8 of cycle 1 only, blinatumomab IV via continuous infusion on days 1-28, nivolumab IV over 30 minutes on days 11 of cycle 1 and day 3 of cycle 2, and MTX IT (for patients with CNS 1/2 at relapse only) or ITT on day 1 of cycle 1 only and days 15 and 36 (for patients with CNS 3 at relapse only) (day 1 IT therapy may be omitted from cycle 1 if intrathecal therapy is given with \< 7 days prior to the start of this cycle). Cycles repeat every 37 days for up to 2 cycles in the absence of disease progression or unacceptable toxicity.

Patients undergo lumbar puncture, bone marrow biopsy and aspiration, and collection of blood, urine and cerebrospinal fluid throughout the study.

After completion of study treatment, patients are followed up every 3 months for 1 year.

Eligibility criteria: Inclusion Criteria:

* Patients must be \>= 1 and \< 31 years at time of enrollment
* Patients must have first relapse of CD19+ B-ALL (relapse blasts must express CD19) in one of the following categories:

  * Isolated bone marrow relapse
  * Isolated central nervous system (CNS) (excluding known optic nerve/retinal and CNS chloromas) and/or testicular relapse
  * Combined bone marrow with extramedullary relapse in the CNS (excluding known optic nerve/retinal and CNS chloromas) and/or testes
* Patients with Down syndrome (DS) are eligible in the following categories:

  * Isolated bone marrow relapse
  * Combined bone marrow with CNS (excluding known optic nerve/retinal and CNS chloromas) and/or testicular relapse
* 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

  * Of note, for patients with developmental delay (e.g., Down syndrome) regardless of age, Lansky scale may be substituted for Karnofsky scale. However, the requirement for ECOG 0-2 remains, regardless of known history of developmental delay
* Patients must have fully recovered from the acute toxic effects of all prior chemotherapy, immunotherapy, or radiotherapy prior to entering this study

  * Patients with prior blinatumomab or CD19+ chimeric antigen receptor therapy in the upfront setting will be eligible, provided relapsed lymphoblasts retain CD19 expression
  * Patients must not have had a prior hematopoietic stem cell transplant
  * A single intrathecal chemotherapy at the time of relapse will be allowed. If \< 7 days have elapsed between this intrathecal therapy (IT) and the start of protocol therapy, then the day 1 intrathecal chemotherapy (i.e. methotrexate, cytarabine, or triple intrathecal) may be omitted
  * In the 28 days prior to enrollment, up to five days of post-relapse, pre-enrollment therapy (steroids and/or hydroxyurea only) is permissible

    * Patients with Down syndrome who received pre-enrollment therapy and have a white blood count (WBC) \>= 30,000/ul at the time of enrollment still must receive protocol specified cytoreductive therapy with vincristine and dexamethasone, and no "washout" is required
    * Patients with Down syndrome who received pre-enrollment therapy and have a WBC \< 30,000/ul at the time of enrollment must be given a 24 hour "washout" before starting immunotherapy
  * Note: There is no waiting period or "washout" for patients who relapse while receiving upfront therapy
* Creatinine clearance or radioisotope glomerular filtration rate (GFR) \>= 70 mL/min/1.73 m\^2 OR a serum creatinine based on age/sex as follows (within 7 calendar days prior to enrollment):

  * Age: Maximum serum creatinine (mg/dL)

    * 1 to \< 2 years: 0.6 (male), 0.6 (female)
    * 2 to \< 6 years: 0.8 (male), 0.8 (female)
    * 6 to \< 10 years: 1 (male), 1 (female)
    * 10 to \< 13 years: 1.2 (male), 1.2 (female)
    * 13 to \< 16 years: 1.5 (male), 1.4 (female)
    * \>= 16 years: 1.7 (male), 1.4 (female)

      * The threshold creatinine values in this Table were derived from the Schwartz formula for estimating GFR utilizing child length and stature data published by the Center for Disease Control (CDC)
* Shortening fraction of \>= 27% by echocardiogram, or ejection fraction of \>= 50% by echocardiogram, cardiac magnetic resonance imaging (MRI) or radionuclide angiogram
* No evidence of dyspnea at rest, no exercise intolerance, and a pulse oximetry \> 94% if there is clinical indication for determination
* All patients and/or their parents or legal guardians must sign a written informed consent
* All institutional, Food and Drug Administration (FDA), and National Cancer Institute (NCI) requirements for human studies must be met

Exclusion Criteria:

* Patients with B-lymphoblastic lymphoma (B-LLy)
* Patients with Burkitt leukemia/lymphoma or mature B-cell leukemia
* Patients with Philadelphia chromosome positive (Ph+) B-ALL
* Patients with mixed phenotype acute leukemia (MPAL)
* Patients with known Charcot-Marie-Tooth disease
* Patients with known MYC translocation associated with mature (Burkitt) B-cell ALL, regardless of blast immunophenotype
* Patients with active, uncontrolled infection defined as:

  * Positive bacterial blood culture within 48 hours of study enrollment
  * Receiving IV or PO antibiotics for an infection with continued signs or symptoms. Note: Patients may be receiving IV or oral antibiotics to complete a course of therapy for a prior documented infection if 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.
  * Fever above 38.2 degrees Celsius (C) within 48 hours of study enrollment with clinical signs of infection. Fever without clinical signs of infection that is attributed to tumor burden is allowed if blood cultures are negative for \> 48 hours
  * A positive fungal culture within 30 days of study enrollment or active therapy for presumed invasive fungal infection
  * 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, Shwachman syndrome or any other known bone marrow failure syndrome are not eligible.
* Patients with uncontrolled HIV, hepatitis B, or hepatitis C infection. Of note, patients with known human immunodeficiency virus (HIV) infection on effective anti-retroviral therapy with undetectable viral load for at least the last 6 months prior to enrollment are eligible. Similarly, hepatitis B and hepatitis C positive patients who have been treated and have no viral detectable burden are also eligible
* Patients with significant central nervous system pathology that would preclude treatment with blinatumomab, including history of severe neurologic disorder or autoimmune disease with CNS involvement

  * Note: Patients with a history of seizures that are well controlled on stable doses of anti-epileptic drugs are eligible Patients with a history of cerebrovascular ischemia/hemorrhage with residual deficits are not eligible. Patients with a history of cerebrovascular ischemia/hemorrhage remain eligible provided all neurologic deficits have resolved
* Patients with an active known/suspected autoimmune disease are not eligible. However, patients with type I diabetes mellitus, hypothyroidism only requiring hormone replacement, skin disorders (such as vitiligo, psoriasis, or alopecia) not requiring systemic treatment, or conditions not expected to recur in the absence of an external trigger are permitted to enroll
* Group 4 and patients with DS patients with known non-hematopoietic, non-CNS/testicular extramedullary disease (i.e., chloromatous disease) are not eligible

  * Note: Group 3 patients with known non-hematopoietic, non-CNS/testicular extramedullary disease (i.e., chloromatous disease) are eligible if this is NOT the only site of relapsed disease
* Female patients of childbearing potential are not eligible unless a negative pregnancy test result has been obtained within 7 days prior to enrollment. 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 this study. Men with female partners of childbearing potential should use effective contraception during the duration of their treatment. The effect of blinatumomab on fertility has not been evaluated. Blinatumomab is not recommended for pregnant women or women of childbearing potential (WOCBP) not using contraception. Females of reproductive potential must use effective contraception during treatment and for at least 48 hours after the last dose of blinatumomab. Studies in animal models have shown that nivolumab can adversely impair pregnancy. Thus, nivolumab is expected to cause fetal harm during pregnancy. WOCBP receiving nivolumab must continue contraception for a period of at least 5 months after the last dose of nivolumab. It is unknown whether nivolumab is present in breast milk, thus breastfeeding should be discontinued while a patient is receiving nivolumab
* Lactating females are not eligible unless they agree to not breastfeed their infants. It is unknown whether blinatumomab or its metabolites are excreted in human breast milk. Women are not permitted to breastfeed while receiving blinatumomab and for the last 48 hours after the last blinatumomab dose. Due to the potential for serious adverse reactions in the breastfed infant, women are not permitted to breastfeed during treatment and for 5 months after the last nivolumab dose

Primary outcomes:
measure: Minimal residual disease (MRD) negative second remission (Rem-2) rate with blinatumomab vs with blinatumomab + nivolumab (Group 1)
timeFrame: Up to 2 cycles of therapy (each cycle = 36 days)
measure: Event-free survival post-reinduction (EFS PR) (Group 3)
timeFrame: From date of randomization to date of treatment failure, relapse, disease progression, second malignancy (SMN) or death due to any cause, assessed up to 10 years after completion of enrollment.
measure: EFS PR (Group 4)
timeFrame: From date of randomization to date of treatment failure, relapse, disease progression, second malignancy (SMN) or death due to any cause, assessed up to 10 years after completion of enrollment.
Secondary outcomes:
measure: Dose-limiting toxicity
timeFrame: Up to 1 cycle of therapy (each cycle = 36 days)
measure: EFS PR (Group 4)
timeFrame: From date of randomization to date of treatment failure, relapse, disease progression, SMN or death due to any cause, assessed up to 5 years after completion of enrollment
Other outcomes:
measure: Event-free survival (Group 1)
timeFrame: From date of Group 1 randomization to date of treatment failure, relapse, disease progression, SMN or death due to any cause, assessed up to 5 years
measure: Event free survival (Group 4)
timeFrame: From date of Group 4 randomization to date of treatment failure, relapse, disease progression, SMN or death due to any cause, assessed up to 5 years
measure: Incidence of adverse events in Arm A or Arm B
timeFrame: Up to 1 cycle of therapy (each cycle = 36 days)
measure: Incidence of adverse events in Arm H or Arm I
timeFrame: Up to 1 cycle of therapy (each cycle = 36 days)
measure: MRD negative Rem-2 rate (Group 2)
timeFrame: Up to 2 cycles of therapy (each cycle = 36 days)
measure: Dose-limiting toxicity (Down syndrome patients)
timeFrame: Up to 1 cycle of therapy (each cycle = 36 days)
measure: Incidence of adverse events (Down syndrome patients)
timeFrame: Up to 1 cycle of therapy (each cycle = 36 days)
measure: MRD negative Rem-2 rate (Down syndrome patients)
timeFrame: Up to 2 cycles of therapy (each cycle = 36 days)
measure: Subset analyses of EFS
timeFrame: Up to 2 cycles of therapy (each cycle = 36 days)
measure: Subset analyses of OS
timeFrame: Up to 2 cycles of therapy (each cycle = 36 days)
measure: EFS PR (Group 4)
timeFrame: At 2 years from date of randomization
measure: EFS PR (Group 3)
timeFrame: At 3 years from date of randomization
Locations:
city: Birmingham
country: United States
facility: Children's Hospital of Alabama
state: Alabama
city: Mobile
country: United States
facility: USA Health Strada Patient Care Center
state: Alabama
city: Anchorage
country: United States
facility: Providence Alaska Medical Center
state: Alaska
city: Kingman
country: United States
facility: Kingman Regional Medical Center
state: Arizona
city: Mesa
country: United States
facility: Banner Children's at Desert
state: Arizona
city: Tucson
country: United States
facility: Banner University Medical Center - Tucson
state: Arizona
city: Little Rock
country: United States
facility: Arkansas Children's Hospital
state: Arkansas
city: Anaheim
country: United States
facility: Kaiser Permanente-Anaheim
state: California
city: Arroyo Grande
country: United States
facility: PCR Oncology
state: California
city: Bellflower
country: United States
facility: Kaiser Permanente-Bellflower
state: California
city: Downey
country: United States
facility: Kaiser Permanente Downey Medical Center
state: California
city: Duarte
country: United States
facility: City of Hope Comprehensive Cancer Center
state: California
city: Fontana
country: United States
facility: Kaiser Permanente-Fontana
state: California
city: Loma Linda
country: United States
facility: Loma Linda University Medical Center
state: California
city: Los Angeles
country: United States
facility: Children's Hospital Los Angeles
state: California
city: Los Angeles
country: United States
facility: Kaiser Permanente Los Angeles Medical Center
state: California
city: Los Angeles
country: United States
facility: Cedars Sinai Medical Center
state: California
city: Los Angeles
country: United States
facility: Mattel Children's Hospital UCLA
state: California
city: Madera
country: United States
facility: Valley Children's Hospital
state: California
city: Oakland
country: United States
facility: Kaiser Permanente-Oakland
state: California
city: Orange
country: United States
facility: Children's Hospital of Orange County
state: California
city: Palo Alto
country: United States
facility: Lucile Packard Children's Hospital Stanford University
state: California
city: Sacramento
country: United States
facility: Sutter Medical Center Sacramento
state: California
city: Sacramento
country: United States
facility: University of California Davis Comprehensive Cancer Center
state: California
city: San Diego
country: United States
facility: Kaiser Permanente-San Diego Zion
state: California
city: San Diego
country: United States
facility: Rady Children's Hospital - San Diego
state: California
city: San Francisco
country: United States
facility: UCSF Medical Center-Mission Bay
state: California
city: Torrance
country: United States
facility: Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center
state: California
city: Aurora
country: United States
facility: Children's Hospital Colorado
state: Colorado
city: Denver
country: United States
facility: Rocky Mountain Hospital for Children-Presbyterian Saint Luke's Medical Center
state: Colorado
city: Hartford
country: United States
facility: Connecticut Children's Medical Center
state: Connecticut
city: Wilmington
country: United States
facility: Alfred I duPont Hospital for Children
state: Delaware
city: Washington
country: United States
facility: Children's National Medical Center
state: District of Columbia
city: Fort Myers
country: United States
facility: Golisano Children's Hospital of Southwest Florida
state: Florida
city: Gainesville
country: United States
facility: University of Florida Health Science Center - Gainesville
state: Florida
city: Hollywood
country: United States
facility: Memorial Regional Hospital/Joe DiMaggio Children's Hospital
state: Florida
city: Jacksonville
country: United States
facility: Nemours Children's Clinic-Jacksonville
state: Florida
city: Orlando
country: United States
facility: AdventHealth Orlando
state: Florida
city: Orlando
country: United States
facility: Arnold Palmer Hospital for Children
state: Florida
city: Orlando
country: United States
facility: Nemours Children's Hospital
state: Florida
city: Pensacola
country: United States
facility: Sacred Heart Hospital
state: Florida
city: Saint Petersburg
country: United States
facility: Johns Hopkins All Children's Hospital
state: Florida
city: Tampa
country: United States
facility: Tampa General Hospital
state: Florida
city: Tampa
country: United States
facility: Saint Joseph's Hospital/Children's Hospital-Tampa
state: Florida
city: West Palm Beach
country: United States
facility: Saint Mary's Medical Center
state: Florida
city: Atlanta
country: United States
facility: Children's Healthcare of Atlanta - Arthur M Blank Hospital
state: Georgia
city: Savannah
country: United States
facility: Memorial Health University Medical Center
state: Georgia
city: Honolulu
country: United States
facility: Kapiolani Medical Center for Women and Children
state: Hawaii
city: Boise
country: United States
facility: Saint Luke's Cancer Institute - Boise
state: Idaho
city: Chicago
country: United States
facility: Lurie Children's Hospital-Chicago
state: Illinois
city: Chicago
country: United States
facility: University of Illinois
state: Illinois
city: Chicago
country: United States
facility: University of Chicago Comprehensive Cancer Center
state: Illinois
city: Maywood
country: United States
facility: Loyola University Medical Center
state: Illinois
city: Peoria
country: United States
facility: Saint Jude Midwest Affiliate
state: Illinois
city: Indianapolis
country: United States
facility: Riley Hospital for Children
state: Indiana
city: Des Moines
country: United States
facility: Blank Children's Hospital
state: Iowa
city: Iowa City
country: United States
facility: University of Iowa/Holden Comprehensive Cancer Center
state: Iowa
city: Lexington
country: United States
facility: University of Kentucky/Markey Cancer Center
state: Kentucky
city: Louisville
country: United States
facility: Norton Children's Hospital
state: Kentucky
city: New Orleans
country: United States
facility: Children's Hospital New Orleans
state: Louisiana
city: New Orleans
country: United States
facility: Ochsner Medical Center Jefferson
state: Louisiana
city: Scarborough
country: United States
facility: Maine Children's Cancer Program
state: Maine
city: Baltimore
country: United States
facility: Sinai Hospital of Baltimore
state: Maryland
city: Baltimore
country: United States
facility: Johns Hopkins University/Sidney Kimmel Cancer Center
state: Maryland
city: Bethesda
country: United States
facility: Walter Reed National Military Medical Center
state: Maryland
city: Boston
country: United States
facility: Tufts Children's Hospital
state: Massachusetts
city: Ann Arbor
country: United States
facility: C S Mott Children's Hospital
state: Michigan
city: Battle Creek
country: United States
facility: Bronson Battle Creek
state: Michigan
city: Dearborn
country: United States
facility: Corewell Health Dearborn Hospital
state: Michigan
city: East Lansing
country: United States
facility: Michigan State University Clinical Center
state: Michigan
city: Grand Rapids
country: United States
facility: Corewell Health Grand Rapids Hospitals - Butterworth Hospital
state: Michigan
city: Grand Rapids
country: United States
facility: Corewell Health Grand Rapids Hospitals - Helen DeVos Children's Hospital
state: Michigan
city: Grand Rapids
country: United States
facility: Trinity Health Grand Rapids Hospital
state: Michigan
city: Kalamazoo
country: United States
facility: Bronson Methodist Hospital
state: Michigan
city: Kalamazoo
country: United States
facility: West Michigan Cancer Center
state: Michigan
city: Kalamazoo
country: United States
facility: Ascension Borgess Hospital
state: Michigan
city: Muskegon
country: United States
facility: Trinity Health Muskegon Hospital
state: Michigan
city: Niles
country: United States
facility: Corewell Health Lakeland Hospitals - Niles Hospital
state: Michigan
city: Norton Shores
country: United States
facility: Cancer and Hematology Centers of Western Michigan - Norton Shores
state: Michigan
city: Reed City
country: United States
facility: Corewell Health Reed City Hospital
state: Michigan
city: Royal Oak
country: United States
facility: Corewell Health Children's
state: Michigan
city: Royal Oak
country: United States
facility: Corewell Health William Beaumont University Hospital
state: Michigan
city: Saint Joseph
country: United States
facility: Corewell Health Lakeland Hospitals - Marie Yeager Cancer Center
state: Michigan
city: Saint Joseph
country: United States
facility: Corewell Health Lakeland Hospitals - Saint Joseph Hospital
state: Michigan
city: Traverse City
country: United States
facility: Munson Medical Center
state: Michigan
city: Troy
country: United States
facility: Corewell Health Beaumont Troy Hospital
state: Michigan
city: Wyoming
country: United States
facility: University of Michigan Health - West
state: Michigan
city: Minneapolis
country: United States
facility: Children's Hospitals and Clinics of Minnesota - Minneapolis
state: Minnesota
city: Minneapolis
country: United States
facility: University of Minnesota/Masonic Cancer Center
state: Minnesota
city: Jackson
country: United States
facility: University of Mississippi Medical Center
state: Mississippi
city: Kansas City
country: United States
facility: Children's Mercy Hospitals and Clinics
state: Missouri
city: Saint Louis
country: United States
facility: Cardinal Glennon Children's Medical Center
state: Missouri
city: Saint Louis
country: United States
facility: Washington University School of Medicine
state: Missouri
city: Saint Louis
country: United States
facility: Mercy Hospital Saint Louis
state: Missouri
city: Omaha
country: United States
facility: Children's Hospital and Medical Center of Omaha
state: Nebraska
city: Omaha
country: United States
facility: University of Nebraska Medical Center
state: Nebraska
city: Carson City
country: United States
facility: Carson Tahoe Regional Medical Center
state: Nevada
city: Henderson
country: United States
facility: Comprehensive Cancer Centers of Nevada - Henderson
state: Nevada
city: Henderson
country: United States
facility: Comprehensive Cancer Centers of Nevada-Horizon Ridge
state: Nevada
city: Henderson
country: United States
facility: Las Vegas Cancer Center-Henderson
state: Nevada
city: Henderson
country: United States
facility: OptumCare Cancer Care at Seven Hills
state: Nevada
city: Henderson
country: United States
facility: Comprehensive Cancer Centers of Nevada-Southeast Henderson
state: Nevada
city: Las Vegas
country: United States
facility: OptumCare Cancer Care at Charleston
state: Nevada
city: Las Vegas
country: United States
facility: Hope Cancer Care of Nevada
state: Nevada
city: Las Vegas
country: United States
facility: Sunrise Hospital and Medical Center
state: Nevada
city: Las Vegas
country: United States
facility: Ann M Wierman MD LTD
state: Nevada
city: Las Vegas
country: United States
facility: Comprehensive Cancer Centers of Nevada - Northwest
state: Nevada
city: Las Vegas
country: United States
facility: OptumCare Cancer Care at MountainView
state: Nevada
city: Las Vegas
country: United States
facility: Alliance for Childhood Diseases/Cure 4 the Kids Foundation
state: Nevada
city: Las Vegas
country: United States
facility: Comprehensive Cancer Centers of Nevada - Town Center
state: Nevada
city: Las Vegas
country: United States
facility: Comprehensive Cancer Centers of Nevada-Summerlin
state: Nevada
city: Las Vegas
country: United States
facility: Summerlin Hospital Medical Center
state: Nevada
city: Las Vegas
country: United States
facility: Las Vegas Cancer Center-Medical Center
state: Nevada
city: Las Vegas
country: United States
facility: Comprehensive Cancer Centers of Nevada
state: Nevada
city: Las Vegas
country: United States
facility: OptumCare Cancer Care at Fort Apache
state: Nevada
city: Las Vegas
country: United States
facility: Comprehensive Cancer Centers of Nevada - Central Valley
state: Nevada
city: Pahrump
country: United States
facility: Hope Cancer Care of Nevada-Pahrump
state: Nevada
city: Reno
country: United States
facility: Renown Regional Medical Center
state: Nevada
city: Reno
country: United States
facility: Saint Mary's Regional Medical Center
state: Nevada
city: Reno
country: United States
facility: Cancer Care Specialists - Reno
state: Nevada
city: Lebanon
country: United States
facility: Dartmouth Hitchcock Medical Center/Dartmouth Cancer Center
state: New Hampshire
city: Hackensack
country: United States
facility: Hackensack University Medical Center
state: New Jersey
city: Morristown
country: United States
facility: Morristown Medical Center
state: New Jersey
city: New Brunswick
country: United States
facility: Rutgers Cancer Institute of New Jersey-Robert Wood Johnson University Hospital
state: New Jersey
city: New Brunswick
country: United States
facility: Rutgers Cancer Institute of New Jersey
state: New Jersey
city: Newark
country: United States
facility: Newark Beth Israel Medical Center
state: New Jersey
city: Paterson
country: United States
facility: Saint Joseph's Regional Medical Center
state: New Jersey
city: Albany
country: United States
facility: Albany Medical Center
state: New York
city: Bronx
country: United States
facility: Montefiore Medical Center - Moses Campus
state: New York
city: Brooklyn
country: United States
facility: Maimonides Medical Center
state: New York
city: Mineola
country: United States
facility: NYU Langone Hospital - Long Island
state: New York
city: New York
country: United States
facility: Laura and Isaac Perlmutter Cancer Center at NYU Langone
state: New York
city: New York
country: United States
facility: NYP/Columbia University Medical Center/Herbert Irving Comprehensive Cancer Center
state: New York
city: New York
country: United States
facility: Memorial Sloan Kettering Cancer Center
state: New York
city: Rochester
country: United States
facility: University of Rochester
state: New York
city: Stony Brook
country: United States
facility: Stony Brook University Medical Center
state: New York
city: Syracuse
country: United States
facility: State University of New York Upstate Medical University
state: New York
city: Chapel Hill
country: United States
facility: UNC Lineberger Comprehensive Cancer Center
state: North Carolina
city: Charlotte
country: United States
facility: Carolinas Medical Center/Levine Cancer Institute
state: North Carolina
city: Durham
country: United States
facility: Duke University Medical Center
state: North Carolina
city: Greenville
country: United States
facility: East Carolina University
state: North Carolina
city: Winston-Salem
country: United States
facility: Wake Forest University Health Sciences
state: North Carolina
city: Fargo
country: United States
facility: Sanford Broadway Medical Center
state: North Dakota
city: Akron
country: United States
facility: Children's Hospital Medical Center of Akron
state: Ohio
city: Cincinnati
country: United States
facility: Cincinnati Children's Hospital Medical Center
state: Ohio
city: Cleveland
country: United States
facility: Rainbow Babies and Childrens Hospital
state: Ohio
city: Cleveland
country: United States
facility: Cleveland Clinic Foundation
state: Ohio
city: Columbus
country: United States
facility: Nationwide Children's Hospital
state: Ohio
city: Dayton
country: United States
facility: Dayton Children's Hospital
state: Ohio
city: Sylvania
country: United States
facility: ProMedica Flower Hospital
state: Ohio
city: Toledo
country: United States
facility: ProMedica Toledo Hospital/Russell J Ebeid Children's Hospital
state: Ohio
city: Oklahoma City
country: United States
facility: University of Oklahoma Health Sciences Center
state: Oklahoma
city: Portland
country: United States
facility: Legacy Emanuel Children's Hospital
state: Oregon
city: Portland
country: United States
facility: Oregon Health and Science University
state: Oregon
city: Allentown
country: United States
facility: Lehigh Valley Hospital-Cedar Crest
state: Pennsylvania
city: Philadelphia
country: United States
facility: Children's Hospital of Philadelphia
state: Pennsylvania
city: Philadelphia
country: United States
facility: Saint Christopher's Hospital for Children
state: Pennsylvania
city: Pittsburgh
country: United States
facility: Children's Hospital of Pittsburgh of UPMC
state: Pennsylvania
city: Providence
country: United States
facility: Rhode Island Hospital
state: Rhode Island
city: Columbia
country: United States
facility: Prisma Health Richland Hospital
state: South Carolina
city: Greenville
country: United States
facility: BI-LO Charities Children's Cancer Center
state: South Carolina
city: Greenville
country: United States
facility: Prisma Health Cancer Institute - Eastside
state: South Carolina
city: Sioux Falls
country: United States
facility: Sanford USD Medical Center - Sioux Falls
state: South Dakota
city: Knoxville
country: United States
facility: East Tennessee Childrens Hospital
state: Tennessee
city: Nashville
country: United States
facility: The Children's Hospital at TriStar Centennial
state: Tennessee
city: Nashville
country: United States
facility: Vanderbilt University/Ingram Cancer Center
state: Tennessee
city: Austin
country: United States
facility: Dell Children's Medical Center of Central Texas
state: Texas
city: Corpus Christi
country: United States
facility: Driscoll Children's Hospital
state: Texas
city: Dallas
country: United States
facility: Medical City Dallas Hospital
state: Texas
city: Dallas
country: United States
facility: UT Southwestern/Simmons Cancer Center-Dallas
state: Texas
city: El Paso
country: United States
facility: El Paso Children's Hospital
state: Texas
city: Fort Worth
country: United States
facility: Cook Children's Medical Center
state: Texas
city: Houston
country: United States
facility: Baylor College of Medicine/Dan L Duncan Comprehensive Cancer Center
state: Texas
city: San Antonio
country: United States
facility: Children's Hospital of San Antonio
state: Texas
city: San Antonio
country: United States
facility: Methodist Children's Hospital of South Texas
state: Texas
city: San Antonio
country: United States
facility: University of Texas Health Science Center at San Antonio
state: Texas
city: Salt Lake City
country: United States
facility: Primary Children's Hospital
state: Utah
city: Burlington
country: United States
facility: University of Vermont and State Agricultural College
state: Vermont
city: Falls Church
country: United States
facility: Inova Fairfax Hospital
state: Virginia
city: Norfolk
country: United States
facility: Children's Hospital of The King's Daughters
state: Virginia
city: Bellevue
country: United States
facility: Overlake Medical Center
state: Washington
city: Renton
country: United States
facility: Valley Medical Center
state: Washington
city: Spokane
country: United States
facility: Providence Sacred Heart Medical Center and Children's Hospital
state: Washington
city: Tacoma
country: United States
facility: Mary Bridge Children's Hospital and Health Center
state: Washington
city: Tacoma
country: United States
facility: Madigan Army Medical Center
state: Washington
city: Yakima
country: United States
facility: North Star Lodge Cancer Center at Yakima Valley Memorial Hospital
state: Washington
city: Bridgeport
country: United States
facility: United Hospital Center
state: West Virginia
city: Martinsburg
country: United States
facility: WVUH-Berkely Medical Center
state: West Virginia
city: Morgantown
country: United States
facility: West Virginia University Healthcare
state: West Virginia
city: Parkersburg
country: United States
facility: Camden Clark Medical Center
state: West Virginia
city: Madison
country: United States
facility: University of Wisconsin Carbone Cancer Center - University Hospital
state: Wisconsin
city: Milwaukee
country: United States
facility: Children's Hospital of Wisconsin
state: Wisconsin
city: Hunter Regional Mail Centre
country: Australia
facility: John Hunter Children's Hospital
state: New South Wales
city: Randwick
country: Australia
facility: Sydney Children's Hospital
state: New South Wales
city: Westmead
country: Australia
facility: The Children's Hospital at Westmead
state: New South Wales
city: South Brisbane
country: Australia
facility: Queensland Children's Hospital
state: Queensland
city: Perth
country: Australia
facility: Perth Children's Hospital
state: Western Australia
city: Winnipeg
country: Canada
facility: CancerCare Manitoba
state: Manitoba
city: Halifax
country: Canada
facility: IWK Health Centre
state: Nova Scotia
city: Montreal
country: Canada
facility: The Montreal Children's Hospital of the MUHC
state: Quebec
city: Montreal
country: Canada
facility: Centre Hospitalier Universitaire Sainte-Justine
state: Quebec
city: Quebec
country: Canada
facility: CHU de Quebec-Centre Hospitalier de l'Universite Laval (CHUL)
city: San Juan
country: Puerto Rico
facility: University Pediatric Hospital
Study officials:
affiliation: Children's Oncology Group
name: Stacy L Cooper
role: PRINCIPAL_INVESTIGATOR
References:
citation: Shi Z, Zhu Y, Zhang J, Chen B. Monoclonal antibodies: new chance in the management of B-cell acute lymphoblastic leukemia. Hematology. 2022 Dec;27(1):642-652. doi: 10.1080/16078454.2022.2074704.