11
Participants
Start Date
December 16, 2021
Primary Completion Date
March 29, 2024
Study Completion Date
June 20, 2024
Obinutuzumab
Administered intravenously, on Days 1, 2, 8 and 15 of Cycle 1 at doses escalating from 100mg - 1000mg then on the first day for all subsequent cycles at 1000mg for dose finding phase. For expansion phase, administered on Days 1, 2, 8 and 15 of Cycle 2 at doses escalating from 100mg - 1000mg then on the first day for all subsequent cycles at 1000mg.
Venetoclax
For follicular lymphoma (FL) patients in dose finding phase, administered orally at a dose of 600mg or 800mg depending on tolerance, daily, cycles 1-12. For MZL (Marginal Zone Lymphoma), MCL (Mantle Cell Lymphoma) or CLL (Chronic Lymphocytic Leukemia) patients in dose finding phase administered at an escalating dose from 20mg-400mg Cycle 1 on days 1-35, and at a dose of 400mg per day for Cycles 2-12. Patients in expansion phase will receive target dose established from dose finding cohorts daily for all 12 cycles.
Magrolimab
Administered intravenously, starting at 1 mg/kg on second day of first cycle then 30mg/kg on days 8, 15 and 22 of cycle 1 and days 1 and 15 of cycles 2-12 for patients in both the dose finding and expansion phases.
Acetaminophen
Premedication with 650mg acetaminophen 30-60 minutes prior to obinutuzumab doses.
Diphenhydramine
Premedication with 25-50mg diphenhydramine 30-60 minutes prior to obinutuzumab doses.
Prednisone/prednisolone
Premedication with 100mg intravenous prednisone/prednisolone 30-60 minutes before obinutuzumab infusion.
Methylprednisolone
Premedication with intravenous methylprednisolone 80mg 30-60 minutes before obinutuzumab infusion.
CT Scan chest/abdomen/pelvis
Screening, baseline, window Cycle -1/pre cycle 1, cycles 6-12; cycles 3-9, end of treatment and follow-up.
MRI
Screening, baseline, window Cycle -1/pre cycle 1, cycles 6-12; cycles 3-9, end of treatment and follow-up.
18-FDG-PET
Baseline, Cycle -1, Day 1, window Cycle -1/pre cycle 1, cycles 6-12, end of treatment and follow-up.
Bone Marrow Biopsy
Screening, Cycle 7-12, Day 1 and end of treatment.
Bone Marrow Aspiration
Screening, Cycle 7-12, Day 1 and end of treatment.
National Institutes of Health Clinical Center, Bethesda
National Cancer Institute (NCI)
NIH