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NCT03734016 · OUTCOME

Duration of Response Assessed by the Independent Review Committee

A Study of Zanubrutinib (BGB-3111) Versus Ibrutinib in Participants With Relapsed/Refractory Chronic Lymphocytic Leukemia · Source last updated 2025-03-30

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

Measure
MEDIAN
Unit
months
Interval / dispersion
95% Confidence Interval
Time frame
From randomization to the final efficacy analysis cutoff date of 08 August 2022, median time on follow-up was 29.6 months (maximum of 45.2 months).

What was measured

DOR is defined as the time from the date that response criteria were first met to the date that disease progression was objectively documented or death, whichever occurred first, determined by independent central review. Median DOR was estimated using the Kaplan-Meier method.

Analysis population: Participants in the ITT Analysis Set with an objective response assessed by the IRC

Groups in this outcome

Zanubrutinib

Participants received 160 mg zanubrutinib orally twice daily until disease progression, intolerable toxicity, initiation of alternative anticancer therapy, investigator/Sponsor decision, need for prohibited medication, study withdrawal, or pregnancy.

Ibrutinib

Participants received ibrutinib 420 mg orally once daily until disease progression, intolerable toxicity, initiation of alternative anticancer therapy, investigator/Sponsor decision, need for prohibited medication, study withdrawal, or pregnancy.

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

Analysis denominator · Participants

GroupSource count
Zanubrutinib282
Ibrutinib246

Reported measurements

Source class 1
Values in months · Interval/dispersion: 95% Confidence Interval
GroupValueSpreadLowerUpperComment
ZanubrutinibNANot reported31.3NAInsufficient number of participants with events to estimate median and upper 95% confidence limit.
Ibrutinib33.9Not reported32.241.4Not reported
Complete source fields
classes
  1. categories
    1. measurements
      1. comment
        Insufficient number of participants with events to estimate median and upper 95% confidence limit.
        group Id
        OG000
        lower Limit
        31.3
        upper Limit
        NA
        value
        NA
      2. group Id
        OG001
        lower Limit
        32.2
        upper Limit
        41.4
        value
        33.9
denoms
  1. counts
    1. group Id
      OG000
      value
      282
    2. group Id
      OG001
      value
      246
    units
    Participants
description
DOR is defined as the time from the date that response criteria were first met to the date that disease progression was objectively documented or death, whichever occurred first, determined by independent central review. Median DOR was estimated using the Kaplan-Meier method.
dispersion Type
95% Confidence Interval
groups
  1. description
    Participants received 160 mg zanubrutinib orally twice daily until disease progression, intolerable toxicity, initiation of alternative anticancer therapy, investigator/Sponsor decision, need for prohibited medication, study withdrawal, or pregnancy.
    id
    OG000
    title
    Zanubrutinib
  2. description
    Participants received ibrutinib 420 mg orally once daily until disease progression, intolerable toxicity, initiation of alternative anticancer therapy, investigator/Sponsor decision, need for prohibited medication, study withdrawal, or pregnancy.
    id
    OG001
    title
    Ibrutinib
param Type
MEDIAN
population Description
Participants in the ITT Analysis Set with an objective response assessed by the IRC
reporting Status
POSTED
time Frame
From randomization to the final efficacy analysis cutoff date of 08 August 2022, median time on follow-up was 29.6 months (maximum of 45.2 months).
title
Duration of Response Assessed by the Independent Review Committee
type
SECONDARY
unit Of Measure
months

Download exact source JSON → · Snapshot ctgov-results-191f4516d4760045304b24a0

Preserved source evidence · Not medical advice