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NCT01292603 · OUTCOME

Part 2: Percentage of Participants With Anti-Rituximab Antibodies

A Study to Compare Subcutaneous Versus Intravenous MabThera (Rituximab) in Combination With Chemotherapy in Patients With Chronic Lymphocytic Leukemia · Source last updated 2018-12-19

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
Not reported
Time frame
Day 0 of Cycle 1 and Day 1 of Cycles 1, 2, 3, 4, 5, and 6 and at each follow-up visit until 24 months after the last dose of rituximab.

What was measured

In Part 2, samples for the HACA assay were collected at each treatment cycle prior to the administration of rituximab and at each follow-up visit until 24 months after the last dose of rituximab.

Analysis population: SAP; n = number of participants analyzed for the specific parameter.

Groups in this outcome

Part 2 : Rituximab IV 500 mg/m^2

Participants received the following in 28-day cycles. Cycle 1: IV rituximab 375 mg/m\^2 on Day 0 Cycles 2-6: IV rituximab 500 mg/m\^2 on Day 1 Cycles 1-6: IV fludarabine 25 mg/m\^2 on Days 1-3 (or as an oral dose of 24 mg/m\^2 on Days 1-5 or 30-40 mg/m\^2 on Days 1-3), and IV cyclophosphamide 250 mg/m\^2 on Days 1-3 (or as an oral dose of 150 mg/m\^2 on Days 1-5 or 200-250 mg/m\^2 on Days 1-3).

Part 2: Rituximab SC 1600 mg

Participants received the following in 28-day cycles. Cycle 1: IV rituximab 375 mg/m\^2 on Day 0 Cycles 2-6: SC rituximab 1600 mg on Day 1 Cycles 1-6: IV fludarabine 25 mg/m\^2 on Days 1-3 (or as an oral dose of 24 mg/m\^2 on Days 1-5 or 30-40 mg/m\^2 on Days 1-3), and IV cyclophosphamide 250 mg/m\^2 on Days 1-3 (or as an oral dose of 150 mg/m\^2 on Days 1-5 or 200-250 mg/m\^2 on Days 1-3).

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

Analysis denominator · Participants

GroupSource count
Part 2 : Rituximab IV 500 mg/m^289
Part 2: Rituximab SC 1600 mg85

Reported measurements

Baseline pre Cycle 1: positive for HACAs (n=87,85)
Values in percentage of participants · Interval/dispersion: Not reported
GroupValueSpreadLowerUpperComment
Part 2 : Rituximab IV 500 mg/m^20.0Not reportedNot reportedNot reportedNot reported
Part 2: Rituximab SC 1600 mg2.4Not reportedNot reportedNot reportedNot reported
Baseline pre Cycle 1: negative for HACAs (n=87,85)
Values in percentage of participants · Interval/dispersion: Not reported
GroupValueSpreadLowerUpperComment
Part 2 : Rituximab IV 500 mg/m^2100.0Not reportedNot reportedNot reportedNot reported
Part 2: Rituximab SC 1600 mg97.6Not reportedNot reportedNot reportedNot reported
Post-Baseline: positive for HACAs (n=89,85)
Values in percentage of participants · Interval/dispersion: Not reported
GroupValueSpreadLowerUpperComment
Part 2 : Rituximab IV 500 mg/m^215.0Not reportedNot reportedNot reportedNot reported
Part 2: Rituximab SC 1600 mg12.0Not reportedNot reportedNot reportedNot reported
Post-Baseline: negative for HACAs (n=89,85)
Values in percentage of participants · Interval/dispersion: Not reported
GroupValueSpreadLowerUpperComment
Part 2 : Rituximab IV 500 mg/m^285.0Not reportedNot reportedNot reportedNot reported
Part 2: Rituximab SC 1600 mg88.0Not reportedNot reportedNot reportedNot reported
Complete source fields
classes
  1. categories
    1. measurements
      1. group Id
        OG000
        value
        0.0
      2. group Id
        OG001
        value
        2.4
    title
    Baseline pre Cycle 1: positive for HACAs (n=87,85)
  2. categories
    1. measurements
      1. group Id
        OG000
        value
        100.0
      2. group Id
        OG001
        value
        97.6
    title
    Baseline pre Cycle 1: negative for HACAs (n=87,85)
  3. categories
    1. measurements
      1. group Id
        OG000
        value
        15.0
      2. group Id
        OG001
        value
        12.0
    title
    Post-Baseline: positive for HACAs (n=89,85)
  4. categories
    1. measurements
      1. group Id
        OG000
        value
        85.0
      2. group Id
        OG001
        value
        88.0
    title
    Post-Baseline: negative for HACAs (n=89,85)
denoms
  1. counts
    1. group Id
      OG000
      value
      89
    2. group Id
      OG001
      value
      85
    units
    Participants
description
In Part 2, samples for the HACA assay were collected at each treatment cycle prior to the administration of rituximab and at each follow-up visit until 24 months after the last dose of rituximab.
groups
  1. description
    Participants received the following in 28-day cycles. Cycle 1: IV rituximab 375 mg/m\^2 on Day 0 Cycles 2-6: IV rituximab 500 mg/m\^2 on Day 1 Cycles 1-6: IV fludarabine 25 mg/m\^2 on Days 1-3 (or as an oral dose of 24 mg/m\^2 on Days 1-5 or 30-40 mg/m\^2 on Days 1-3), and IV cyclophosphamide 250 mg/m\^2 on Days 1-3 (or as an oral dose of 150 mg/m\^2 on Days 1-5 or 200-250 mg/m\^2 on Days 1-3).
    id
    OG000
    title
    Part 2 : Rituximab IV 500 mg/m^2
  2. description
    Participants received the following in 28-day cycles. Cycle 1: IV rituximab 375 mg/m\^2 on Day 0 Cycles 2-6: SC rituximab 1600 mg on Day 1 Cycles 1-6: IV fludarabine 25 mg/m\^2 on Days 1-3 (or as an oral dose of 24 mg/m\^2 on Days 1-5 or 30-40 mg/m\^2 on Days 1-3), and IV cyclophosphamide 250 mg/m\^2 on Days 1-3 (or as an oral dose of 150 mg/m\^2 on Days 1-5 or 200-250 mg/m\^2 on Days 1-3).
    id
    OG001
    title
    Part 2: Rituximab SC 1600 mg
param Type
NUMBER
population Description
SAP; n = number of participants analyzed for the specific parameter.
reporting Status
POSTED
time Frame
Day 0 of Cycle 1 and Day 1 of Cycles 1, 2, 3, 4, 5, and 6 and at each follow-up visit until 24 months after the last dose of rituximab.
title
Part 2: Percentage of Participants With Anti-Rituximab Antibodies
type
SECONDARY
unit Of Measure
percentage of participants

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Preserved source evidence · Not medical advice