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NCT03332017 · FLOW

Participant flow

A Study Comparing Obinutuzumab and BGB-3111 Versus Obinutuzumab Alone in Treating R/R Follicular Lymphoma · Source last updated 2026-02-18

Results reported by the registry submitting party. Population, time horizon, units and missing values must be read together.

groups
  1. description
    Obinutuzumab 1000 milligrams (mg) intravenously on Days 1, 8, and 15 of Cycle 1, Day 1 of Cycles 2 to 6; and then every 8 weeks for an additional 24 months or until disease progression. Each treatment cycle was 28 days. Participants who experienced progressive disease or did not respond to therapy within 12 months may have received crossover treatment with zanubrutinib plus obinutuzumab at the investigator's discretion.
    id
    FG000
    title
    Obinutuzumab
  2. description
    Zanubrutinib 160 mg twice a day orally with or without food and obinutuzumab 1000 mg intravenously on Days 1, 8, and 15 of Cycle 1, Day 1 of Cycles 2 to 6, and then every 8 weeks for an additional 24 months or until disease progression. Each treatment cycle was 28 days.
    id
    FG001
    title
    Zanubrutinib + Obinutuzumab
periods
  1. drop Withdraws
    1. reasons
      1. group Id
        FG000
        num Subjects
        33
      2. group Id
        FG001
        num Subjects
        51
      type
      Death
    2. reasons
      1. group Id
        FG000
        num Subjects
        20
      2. group Id
        FG001
        num Subjects
        55
      type
      Study Closed by Sponsor
    3. reasons
      1. group Id
        FG000
        num Subjects
        14
      2. group Id
        FG001
        num Subjects
        30
      type
      Withdrawal by Subject
    4. reasons
      1. group Id
        FG000
        num Subjects
        2
      2. group Id
        FG001
        num Subjects
        5
      type
      Lost to Follow-up
    5. reasons
      1. group Id
        FG000
        num Subjects
        3
      2. group Id
        FG001
        num Subjects
        3
      type
      Other
    6. reasons
      1. group Id
        FG000
        num Subjects
        0
      2. group Id
        FG001
        num Subjects
        1
      type
      Remained on Study
    milestones
    1. achievements
      1. group Id
        FG000
        num Subjects
        72
      2. group Id
        FG001
        num Subjects
        145
      type
      STARTED
    2. achievements
      1. group Id
        FG000
        num Subjects
        71
      2. group Id
        FG001
        num Subjects
        143
      type
      Treated
    3. achievements
      1. group Id
        FG000
        num Subjects
        36
      2. group Id
        FG001
        num Subjects
        0
      type
      Crossover to Combination Treatment
    4. achievements
      1. group Id
        FG000
        num Subjects
        0
      2. group Id
        FG001
        num Subjects
        0
      type
      COMPLETED
    5. achievements
      1. group Id
        FG000
        num Subjects
        72
      2. group Id
        FG001
        num Subjects
        145
      type
      NOT COMPLETED
    title
    Overall Study
pre Assignment Details
After enrollment, participants were randomized 2:1 to zanubrutinib plus obinutuzumab or obinutuzumab alone, stratified by prior therapy, rituximab-refractory status, and region. Treatment began within 5 days, in 28-day cycles. At investigator discretion, those on obinutuzumab monotherapy could cross over to zanubrutinib plus obinutuzumab if progressive disease or non-response was confirmed by independent central review.
recruitment Details
Participants were enrolled in multiple study centers in Australia, Europe, Asia, and North America.
Complete source fields
groups
  1. description
    Obinutuzumab 1000 milligrams (mg) intravenously on Days 1, 8, and 15 of Cycle 1, Day 1 of Cycles 2 to 6; and then every 8 weeks for an additional 24 months or until disease progression. Each treatment cycle was 28 days. Participants who experienced progressive disease or did not respond to therapy within 12 months may have received crossover treatment with zanubrutinib plus obinutuzumab at the investigator's discretion.
    id
    FG000
    title
    Obinutuzumab
  2. description
    Zanubrutinib 160 mg twice a day orally with or without food and obinutuzumab 1000 mg intravenously on Days 1, 8, and 15 of Cycle 1, Day 1 of Cycles 2 to 6, and then every 8 weeks for an additional 24 months or until disease progression. Each treatment cycle was 28 days.
    id
    FG001
    title
    Zanubrutinib + Obinutuzumab
periods
  1. drop Withdraws
    1. reasons
      1. group Id
        FG000
        num Subjects
        33
      2. group Id
        FG001
        num Subjects
        51
      type
      Death
    2. reasons
      1. group Id
        FG000
        num Subjects
        20
      2. group Id
        FG001
        num Subjects
        55
      type
      Study Closed by Sponsor
    3. reasons
      1. group Id
        FG000
        num Subjects
        14
      2. group Id
        FG001
        num Subjects
        30
      type
      Withdrawal by Subject
    4. reasons
      1. group Id
        FG000
        num Subjects
        2
      2. group Id
        FG001
        num Subjects
        5
      type
      Lost to Follow-up
    5. reasons
      1. group Id
        FG000
        num Subjects
        3
      2. group Id
        FG001
        num Subjects
        3
      type
      Other
    6. reasons
      1. group Id
        FG000
        num Subjects
        0
      2. group Id
        FG001
        num Subjects
        1
      type
      Remained on Study
    milestones
    1. achievements
      1. group Id
        FG000
        num Subjects
        72
      2. group Id
        FG001
        num Subjects
        145
      type
      STARTED
    2. achievements
      1. group Id
        FG000
        num Subjects
        71
      2. group Id
        FG001
        num Subjects
        143
      type
      Treated
    3. achievements
      1. group Id
        FG000
        num Subjects
        36
      2. group Id
        FG001
        num Subjects
        0
      type
      Crossover to Combination Treatment
    4. achievements
      1. group Id
        FG000
        num Subjects
        0
      2. group Id
        FG001
        num Subjects
        0
      type
      COMPLETED
    5. achievements
      1. group Id
        FG000
        num Subjects
        72
      2. group Id
        FG001
        num Subjects
        145
      type
      NOT COMPLETED
    title
    Overall Study
pre Assignment Details
After enrollment, participants were randomized 2:1 to zanubrutinib plus obinutuzumab or obinutuzumab alone, stratified by prior therapy, rituximab-refractory status, and region. Treatment began within 5 days, in 28-day cycles. At investigator discretion, those on obinutuzumab monotherapy could cross over to zanubrutinib plus obinutuzumab if progressive disease or non-response was confirmed by independent central review.
recruitment Details
Participants were enrolled in multiple study centers in Australia, Europe, Asia, and North America.

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Preserved source evidence · Independent clinical review pending · Not medical advice