Trial of Magrolimab (Hu5F9-G4) in Combination With Rituximab or Rituximab + Chemotherapy in Participants With Relapsed/Refractory B-cell Non-Hodgkin's Lymphoma

Conditions

• Non Hodgkin Lymphoma

Eligibility Criteria

Sex

ALL

Age

18 Years - N/A

Healthy Volunteers

Not accepted

Interventions

• Magrolimab — DRUG
  Administered intravenously
• Rituximab — DRUG
  Administered intravenously on Days 8, 15, and 22 during Cycle 1, followed by 1 dose on Day 1 for Cycles 2 through 6, and Day 1 for every other cycle until Cycle 13
• Gemcitabine — DRUG
  Administered intravenously on Days 11, 23 for Cycle 1 and Days 2 and 15 for Cycles 2 to 4
• Oxaliplatin — DRUG
  Administered intravenously on Days 11, 23 for Cycle 1 and Days 2 and 15 for Cycles 2 to 4
• Allopurinol — DRUG
  Administered orally during Cycle 1

Study Details

The primary objectives of this study are: * To investigate the safety and tolerability, and to define the recommended Phase 2 dose and schedule (RP2DS) for magrolimab in combination with rituximab and for magrolimab in combination with rituximab, gemcitabine, and oxaliplatin (R-GemOx). * To evaluate the efficacy of magrolimab in combination with rituximab in participants with indolent lymphoma and diffuse large B-cell lymphoma (DLBCL) and to evaluate the efficacy of magrolimab in combination with R-GemOx in autologous stem cell transplant (ASCT) ineligible DLBCL participants.

Key Dates

Start date

Nov 21, 2016

Status verified

May 2025

Primary completion

Mar 25, 2024

Completion

Mar 25, 2024

Study Design

Enrollment

178 participants (actual)

Allocation

NON_RANDOMIZED

Intervention model

SEQUENTIAL

Primary purpose

TREATMENT

Arms

• Experimental: Phase 1b Cohort 1: Magrolimab 10 mg/kg + Rituximab
  Participants with B-cell non-hodgkin's lymphoma (NHL) will receive 1 mg/kg magrolimab intravenous (IV) infusion priming dose (over 3 hours) on Day 1 of Cycle 1, followed by weekly maintenance dose of 10 mg/kg magrolimab IV infusion (over 2 hours) on Days 8, 15, and 22 of Cycle 1 and Days 1, 8, 15, and 22 of Cycle 2 and beyond in combination with rituximab 375 mg/m\^2 IV infusion on Days 8, 15, and 22 of Cycle 1, followed by 1 dose on Day 1 of Cycles 2 to 6. Thereafter from Cycle 8 and beyond, rituximab will be administered on Day 1 of every other cycle (on even cycles). Each cycle length of 28 days.
• Experimental: Phase 1b Cohort 2: Magrolimab 20 mg/kg + Rituximab
  Participants with B-cell NHL will receive 1 mg/kg magrolimab IV infusion priming dose (over 3 hours) on Day 1 of Cycle 1, followed by weekly maintenance dose of 20 mg/kg magrolimab IV infusion (over 2 hours) on Days 8, 15, and 22 of Cycle 1 and Days 1, 8, 15, and 22 of Cycle 2 and beyond in combination with rituximab 375 mg/m\^2 IV infusion on Days 8, 15, and 22 of Cycle 1, followed by 1 dose on Day 1 of Cycles 2 to 6. Thereafter from Cycle 8 and beyond, rituximab will be administered on Day 1 of every other cycle (on even cycles). Each cycle length of 28 days.
• Experimental: Phase 1b Cohort 3: Magrolimab 30 mg/kg + Rituximab
  Participants with B-cell NHL will receive 1 mg/kg magrolimab IV infusion priming dose (over 3 hours) on Day 1 of Cycle 1, followed by weekly maintenance dose of 30 mg/kg magrolimab IV infusion (over 2 hours) on Days 8, 11,15, and 22 of Cycle 1 and Days 1, 8, 15, and 22 of Cycle 2 and beyond in combination with rituximab 375 mg/m\^2 IV infusion on Days 8, 15, and 22 of Cycle 1, followed by 1 dose on Day 1 of Cycles 2 to 6. Thereafter from Cycle 8 and beyond, rituximab will be administered on Day 1 of every other cycle (on even cycles). Each cycle length of 28 days.
• Experimental: Phase 1b Cohort 4: Magrolimab 45 mg/kg + Rituximab
  Participants with B-cell NHL will receive 1 mg/kg magrolimab IV infusion priming dose (over 3 hours) on Day 1 of Cycle 1, followed by weekly maintenance dose of 45 mg/kg magrolimab IV infusion (over 2 hours) on Days 8, 11, 15, and 22 of Cycle 1 and Days 1, 8, 15, and 22 of Cycle 2 and beyond in combination with rituximab 375 mg/m\^2 IV infusion on Days 8, 15, and 22 of Cycle 1, followed by 1 dose on Day 1 of Cycles 2 to 6. Thereafter from Cycle 8 and beyond, rituximab will be administered on Day 1 of every other cycle (on even cycles). Each cycle length of 28 days.
• Experimental: Phase 1b Cohort 5: Magrolimab 30 mg/kg + Rituximab + Gemcitabine + Oxaliplatin
  Autologous stem cell transplant ineligible diffuse large B-cell lymphoma (DLBCL) participants will receive 1 mg/kg magrolimab IV infusion priming dose(over 3 hours)on Day 1 of Cycle 1,followed by maintenance dose of 30 mg/kg on Days 8, 11, 15, 22, and 29 of Cycle 1;Days 1, 8, 15, and 22 of Cycle 2 followed by Days 1 and 15 of subsequent cycles.Cycle length will be 28 days.Rituximab 375 mg/m\^2 IV infusion will be given on Days 8, 15, 22, and 29 of Cycle 1,followed by 1 dose on Day 1 of Cycles 2 to 6.Thereafter from Cycle 8 and beyond,rituximab will be administered on Day 1 of every other cycle(on even cycles).Gemcitabine 1000 mg/m\^2 and oxaliplatin 100 mg/m\^2 IV infusion will be given as on Days 11 and 23 of Cycle 1 and Days 2 and 15 of Cycles 2 to 4.Granulocyte colony stimulating factor (G-CSF) prophylaxis will be given with gemcitabine and oxaliplatin treatment(Cycles 1-4).Allopurinol 300 mg orally daily will be administered for the first cycle only.
• Experimental: Phase 1b Cohort 6: Magrolimab 45 mg/kg + Rituximab + Gemcitabine + Oxaliplatin
  Autologous stem cell transplant ineligible DLBCL participants will receive 1 mg/kg magrolimab IV infusion priming dose (over 3 hours) on Day 1 of Cycle 1, followed by maintenance dose of 45 mg/kg on Days 8, 11, 15, 22, and 29 of Cycle 1; Days 1, 8, 15, and 22 of Cycle 2 followed by Days 1 and 15 of subsequent cycles. The cycle length of 28 days. Rituximab 375 mg/m\^2 IV infusion will be administered on Days 8, 15, 22, and 29 of Cycle 1, followed by 1 dose on Day 1 for Cycles 2 to 6. Thereafter from Cycle 8 and beyond, rituximab will be administered on Day 1 of every other cycle (on even cycles). Gemcitabine 1000 mg/m\^2 and oxaliplatin 100 mg/m\^2 IV infusion will be administered as on Days 11 and 23 of Cycle 1 and Days 2 and 15 of Cycles 2 to 4. G-CSF prophylaxis will be administered with gemcitabine and oxaliplatin treatment (Cycles 1-4). Allopurinol 300 mg orally daily will be administered for the first cycle only.
• Experimental: Phase 2 Cohort 1: Magrolimab 30 mg/kg + Rituximab
  Participants with B-cell indolent NHL (iNHL) (including follicular lymphoma \[FL\] and marginal zone lymphoma \[MZL\]) and DLBCL will receive 1 mg/kg magrolimab IV infusion priming dose (over 3 hours) on Day 1 of Cycle 1, followed by weekly maintenance dose of 30 mg/kg magrolimab IV infusion (over 2 hours) on Days 8, 15, and 22 of Cycle 1, and Days 1 and 15 of subsequent cycles in combination with rituximab 375 mg/m\^2 IV infusion on Days 8, 15, and 22 of Cycle 1, followed by 1 dose on Day 1 of Cycles 2 to 6. Thereafter from Cycle 8 and beyond, rituximab will be administered on Day 1 of every other cycle (on even cycles). Each cycle length of 28 days.
• Experimental: Phase 2 Cohort 2: Magrolimab 30 mg/kg + Rituximab
  Participants with B-cell iNHL (including FL and MZL) and DLBCL will receive 1 mg/kg magrolimab IV infusion priming dose (over 3 hours) on Day 1 of Cycle 1, followed by weekly maintenance dose of 30 mg/kg magrolimab IV infusion (over 2 hours) on Days 8, 11, 15, and 22 of Cycle 1; Days 1, 8, 15, and 22 of Cycle 2 and Days 1 and 15 of subsequent cycles in combination with rituximab 375 mg/m\^2 IV infusion on Days 8, 15, and 22 of Cycle 1, followed by 1 dose on Day 1 for Cycles 2 to 6. Thereafter from Cycle 8 and beyond, rituximab will be administered on Day 1 of every other cycle (on even cycles). Each cycle length of 28 days.
• Experimental: Phase 2 Cohort 3: Magrolimab 45 mg/kg + Rituximab
  Participants with B-cell iNHL (including FL and MZL) and DLBCL will receive 1 mg/kg magrolimab IV infusion priming dose (over 3 hours) on Day 1 of Cycle 1, followed by weekly maintenance dose of 45 mg/kg magrolimab IV infusion (over 2 hours) on Days 8, 11, 15, and 22 of Cycle 1; Days 1, 8, 15, and 22 of Cycle 2 and Days 1 and 15 of subsequent cycles in combination with rituximab 375 mg/m\^2 IV infusion on Days 8, 15, and 22 of Cycle 1, followed by 1 dose on Day 1 for Cycles 2 to 6. Thereafter from Cycle 8 and beyond, rituximab will be administered on Day 1 of every other cycle (on even cycles). Each cycle length of 28 days.
• Experimental: Phase 2 Cohort 4: Magrolimab 30 mg/kg + Rituximab
  Participants with DLBCL will receive 1 mg/kg magrolimab IV infusion priming dose (over 3 hours) on Day 1 of Cycle 1, followed by weekly maintenance dose of 30 mg/kg magrolimab IV infusion (over 2 hours) on Days 8, 15, and 22 of Cycle 1; Days 1, 8, 15, and 22 of Cycle 2 and Days 1 and 15 of subsequent cycles in combination with rituximab 375 mg/m\^2 IV infusion on Days 8, 15, and 22 of Cycle 1, followed by 1 dose on Day 1 for Cycles 2 to 6. Thereafter from Cycle 8 and beyond, rituximab will be administered on Day 1 of every other cycle (on even cycles). Each Cycle length of 28 days.

Primary Outcome Measure

Phase 1b: Percentage of Participants Experiencing Dose-limiting Toxicities (DLTs) in Antibody Treatment Combination [ Time Frame: Up to 28 days ]

Locations (16)

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