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NCT02257567 · OUTCOME

Phase II: Percentage of Participants With CR at PRA Based on CT Only as Determined by Investigator

A Study of Polatuzumab Vedotin (DCDS4501A) in Combination With Rituximab or Obinutuzumab Plus Bendamustine in Participants With Relapsed or Refractory Follicular or Diffuse Large B-Cell Lymphoma · Source last updated 2022-11-14

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

Measure
NUMBER
Unit
percentage of participants
Interval / dispersion
95% Confidence Interval
Time frame
6 to 8 weeks after Cycle 6 Day 1 (cycle length is 21 days for DLBCL cohorts and 28 days for FL cohorts) or last dose of study drug (up to approximately 28 weeks)

What was measured

CR was determined by investigator at PRA according to the MLRC. Per MLRC, CR based on CT was defined as complete radiologic response in lymph nodes and ELS with target nodes/nodal masses regressing to ≤ 1.5 centimetres (cm) in in longest transverse diameter (LDi) and no ELS of disease organ enlargement regressing to normal; no new lesions; normal bone marrow by morphology, if indeterminate, IHC negative. The analysis was done 6-8 weeks after Cycle 6, Day 1 (each cycle is 21 days for DLBCL cohorts and 28 days for FL cohorts). As pre-specified in the protocol data reported is combined for Arms G and H. Values have been rounded off to the nearest whole number.

Analysis population: ITT population included all randomized participants in Phase II irrespective of whether or not they received the study treatment.

Groups in this outcome

Arm A (Phase II Randomization): Pola+BR in FL

Participants with FL received pola, 1.8 mg/kg, as IV infusion on Day 2 of Cycle 1 (each cycle is 28 days), and thereafter on Day 1 of Cycles 2 to 6. Participants also received bendamustine 90 mg/m\^2, as IV infusion on Days 2 and 3 of Cycle 1, and thereafter on Days 1 and 2 of Cycles 2 to 6 and rituximab, 375 mg/m\^2, as IV infusion on Day 1 of Cycles 1 to 6, in combination with pola.

Arm B (Phase II Randomization): BR in FL

Participants with FL received bendamustine 90 mg/m\^2, as IV infusion on Days 2 and 3 of Cycle 1 (each cycle is 28 days), thereafter on Days 1 and 2 of Cycles 2 to 6 in combination with rituximab, 375 mg/m\^2, as IV infusion on Day 1 of Cycles 1 to 6.

Arm C (Phase II Randomization): Pola+BR in DLBCL

Participants with DLBCL received pola, 1.8 mg/kg, as IV infusion on Day 2 of Cycle 1 (each cycle is 21 days), and thereafter on Day 1 of Cycles 2 to 6. Participants also received bendamustine 90 mg/m\^2, as IV infusion on Days 2 and 3 of Cycle 1, and thereafter on Days 1 and 2 of Cycles 2 to 6 and rituximab, 375 mg/m\^2, as IV infusion on Day 1 of Cycles 1 to 6, in combination with pola.

Arm D (Phase II Randomization): BR in DLBCL

Participants with DLBCL received bendamustine 90 mg/m\^2, as IV infusion on Days 2 and 3 of Cycle 1 (each cycle is 21 days), thereafter on Days 1 and 2 of Cycles 2 to 6 in combination with rituximab, 375 mg/m\^2, as IV infusion on Day 1 of Cycles 1 to 6.

Arm E (Phase II Expansion): Pola+BG in FL

Participants with FL received pola, 1.8 mg/kg, as IV infusion on Day 2 of Cycle 1 (each cycle is 28 days), and thereafter on Day 1 of Cycles 2 to 6. Participants also received bendamustine 90 mg/m\^2, as IV infusion on Days 2 and 3 of Cycle 1, and thereafter on Days 1 and 2 of Cycles 2 to 6 and obinutuzumab 1000 mg, as IV infusion on Days 1, 8, and 15 of Cycle 1 and on Day 1 of Cycles 2 to 6 in combination with pola.

Arm F (Phase II Expansion): Pola+BG in DLBCL

Participants with DLBCL received pola, 1.8 mg/kg, as IV infusion on Day 2 of Cycle 1 (each cycle is 21 days), and thereafter on Day 1 of Cycles 2 to 6. Participants also received bendamustine 90 mg/m\^2, as IV infusion on Days 2 and 3 of Cycle 1, and thereafter on Days 1 and 2 of Cycles 2 to 6 and obinutuzumab 1000 mg, as IV infusion on Days 1, 8, and 15 of Cycle 1 and on Day 1 of Cycles 2 to 6 in combination with pola.

Arm G+H (Phase II NF Cohort): Pola+BR in DLBCL

Participants with DLBCL received pola (lyophilized formulation), 1.8 mg/kg, as IV infusion on Day 2 of Cycle 1 (each cycle is 21 days), and thereafter on Day 1 of Cycles 2 to 6. Participants also received bendamustine 90 mg/m\^2, as IV infusion on Days 2 and 3 of Cycle 1, and thereafter on Days 1 and 2 of Cycles 2 to 6 and rituximab, 375 mg/m\^2, as IV infusion on Day 1 of Cycles 1 to 6, in combination with pola.

Group identifiers and denominators belong to this outcome only. They may differ in another outcome or in safety reporting.

Analysis denominator · Participants

GroupSource count
Arm A (Phase II Randomization): Pola+BR in FL39
Arm B (Phase II Randomization): BR in FL41
Arm C (Phase II Randomization): Pola+BR in DLBCL40
Arm D (Phase II Randomization): BR in DLBCL40
Arm E (Phase II Expansion): Pola+BG in FL20
Arm F (Phase II Expansion): Pola+BG in DLBCL21
Arm G+H (Phase II NF Cohort): Pola+BR in DLBCL106

Reported measurements

Source class 1
Values in percentage of participants · Interval/dispersion: 95% Confidence Interval
GroupValueSpreadLowerUpperComment
Arm A (Phase II Randomization): Pola+BR in FL46.2Not reported30.0962.82Not reported
Arm B (Phase II Randomization): BR in FL19.5Not reported8.8234.87Not reported
Arm C (Phase II Randomization): Pola+BR in DLBCL20.0Not reported9.0535.65Not reported
Arm D (Phase II Randomization): BR in DLBCL5.0Not reported0.6116.92Not reported
Arm E (Phase II Expansion): Pola+BG in FL20.0Not reported5.7343.66Not reported
Arm F (Phase II Expansion): Pola+BG in DLBCL14.3Not reported3.0536.34Not reported
Arm G+H (Phase II NF Cohort): Pola+BR in DLBCL14.2Not reported8.1422.26Not reported
Complete source fields
classes
  1. categories
    1. measurements
      1. group Id
        OG000
        lower Limit
        30.09
        upper Limit
        62.82
        value
        46.2
      2. group Id
        OG001
        lower Limit
        8.82
        upper Limit
        34.87
        value
        19.5
      3. group Id
        OG002
        lower Limit
        9.05
        upper Limit
        35.65
        value
        20.0
      4. group Id
        OG003
        lower Limit
        0.61
        upper Limit
        16.92
        value
        5.0
      5. group Id
        OG004
        lower Limit
        5.73
        upper Limit
        43.66
        value
        20.0
      6. group Id
        OG005
        lower Limit
        3.05
        upper Limit
        36.34
        value
        14.3
      7. group Id
        OG006
        lower Limit
        8.14
        upper Limit
        22.26
        value
        14.2
denoms
  1. counts
    1. group Id
      OG000
      value
      39
    2. group Id
      OG001
      value
      41
    3. group Id
      OG002
      value
      40
    4. group Id
      OG003
      value
      40
    5. group Id
      OG004
      value
      20
    6. group Id
      OG005
      value
      21
    7. group Id
      OG006
      value
      106
    units
    Participants
description
CR was determined by investigator at PRA according to the MLRC. Per MLRC, CR based on CT was defined as complete radiologic response in lymph nodes and ELS with target nodes/nodal masses regressing to ≤ 1.5 centimetres (cm) in in longest transverse diameter (LDi) and no ELS of disease organ enlargement regressing to normal; no new lesions; normal bone marrow by morphology, if indeterminate, IHC negative. The analysis was done 6-8 weeks after Cycle 6, Day 1 (each cycle is 21 days for DLBCL cohorts and 28 days for FL cohorts). As pre-specified in the protocol data reported is combined for Arms G and H. Values have been rounded off to the nearest whole number.
dispersion Type
95% Confidence Interval
groups
  1. description
    Participants with FL received pola, 1.8 mg/kg, as IV infusion on Day 2 of Cycle 1 (each cycle is 28 days), and thereafter on Day 1 of Cycles 2 to 6. Participants also received bendamustine 90 mg/m\^2, as IV infusion on Days 2 and 3 of Cycle 1, and thereafter on Days 1 and 2 of Cycles 2 to 6 and rituximab, 375 mg/m\^2, as IV infusion on Day 1 of Cycles 1 to 6, in combination with pola.
    id
    OG000
    title
    Arm A (Phase II Randomization): Pola+BR in FL
  2. description
    Participants with FL received bendamustine 90 mg/m\^2, as IV infusion on Days 2 and 3 of Cycle 1 (each cycle is 28 days), thereafter on Days 1 and 2 of Cycles 2 to 6 in combination with rituximab, 375 mg/m\^2, as IV infusion on Day 1 of Cycles 1 to 6.
    id
    OG001
    title
    Arm B (Phase II Randomization): BR in FL
  3. description
    Participants with DLBCL received pola, 1.8 mg/kg, as IV infusion on Day 2 of Cycle 1 (each cycle is 21 days), and thereafter on Day 1 of Cycles 2 to 6. Participants also received bendamustine 90 mg/m\^2, as IV infusion on Days 2 and 3 of Cycle 1, and thereafter on Days 1 and 2 of Cycles 2 to 6 and rituximab, 375 mg/m\^2, as IV infusion on Day 1 of Cycles 1 to 6, in combination with pola.
    id
    OG002
    title
    Arm C (Phase II Randomization): Pola+BR in DLBCL
  4. description
    Participants with DLBCL received bendamustine 90 mg/m\^2, as IV infusion on Days 2 and 3 of Cycle 1 (each cycle is 21 days), thereafter on Days 1 and 2 of Cycles 2 to 6 in combination with rituximab, 375 mg/m\^2, as IV infusion on Day 1 of Cycles 1 to 6.
    id
    OG003
    title
    Arm D (Phase II Randomization): BR in DLBCL
  5. description
    Participants with FL received pola, 1.8 mg/kg, as IV infusion on Day 2 of Cycle 1 (each cycle is 28 days), and thereafter on Day 1 of Cycles 2 to 6. Participants also received bendamustine 90 mg/m\^2, as IV infusion on Days 2 and 3 of Cycle 1, and thereafter on Days 1 and 2 of Cycles 2 to 6 and obinutuzumab 1000 mg, as IV infusion on Days 1, 8, and 15 of Cycle 1 and on Day 1 of Cycles 2 to 6 in combination with pola.
    id
    OG004
    title
    Arm E (Phase II Expansion): Pola+BG in FL
  6. description
    Participants with DLBCL received pola, 1.8 mg/kg, as IV infusion on Day 2 of Cycle 1 (each cycle is 21 days), and thereafter on Day 1 of Cycles 2 to 6. Participants also received bendamustine 90 mg/m\^2, as IV infusion on Days 2 and 3 of Cycle 1, and thereafter on Days 1 and 2 of Cycles 2 to 6 and obinutuzumab 1000 mg, as IV infusion on Days 1, 8, and 15 of Cycle 1 and on Day 1 of Cycles 2 to 6 in combination with pola.
    id
    OG005
    title
    Arm F (Phase II Expansion): Pola+BG in DLBCL
  7. description
    Participants with DLBCL received pola (lyophilized formulation), 1.8 mg/kg, as IV infusion on Day 2 of Cycle 1 (each cycle is 21 days), and thereafter on Day 1 of Cycles 2 to 6. Participants also received bendamustine 90 mg/m\^2, as IV infusion on Days 2 and 3 of Cycle 1, and thereafter on Days 1 and 2 of Cycles 2 to 6 and rituximab, 375 mg/m\^2, as IV infusion on Day 1 of Cycles 1 to 6, in combination with pola.
    id
    OG006
    title
    Arm G+H (Phase II NF Cohort): Pola+BR in DLBCL
param Type
NUMBER
population Description
ITT population included all randomized participants in Phase II irrespective of whether or not they received the study treatment.
reporting Status
POSTED
time Frame
6 to 8 weeks after Cycle 6 Day 1 (cycle length is 21 days for DLBCL cohorts and 28 days for FL cohorts) or last dose of study drug (up to approximately 28 weeks)
title
Phase II: Percentage of Participants With CR at PRA Based on CT Only as Determined by Investigator
type
SECONDARY
unit Of Measure
percentage of participants

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Preserved source evidence · Not medical advice