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NCT00261846 · OUTCOME

Time to Achieve Major Cytogenetic Response (MCyR) in Chronic Phase Second-line CML for Responders Only - Part 2

Study Evaluating SKI-606 (Bosutinib) In Philadelphia Chromosome Positive Leukemias · Source last updated 2017-07-27

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

Measure
MEDIAN
Unit
weeks
Interval / dispersion
95% Confidence Interval
Time frame
Week 12, thereafter assessed every 12 weeks up to 2 years then every 24 weeks thereafter up to Year 5

What was measured

MCyR was categorized as either CCyR or PCyR. CCyR was achieved when there was 0% Ph+ cells from at least 20 metaphases from conventional bone marrow cytogenetics or \<1% positive cells from at least 200 cells analyzed from FISH. PCyR was achieved when 1 to 35% Ph+ cells were present. Time to MCyR was the interval from the date of first dose of study medication until the first date of achieving a given response. Time to response in weeks equals (=) (event date minus (-) first dose date plus (+) 1)divided (/)7, where the event date is the non-missing date of the first attained response for responders only.

Analysis population: Cytogenetic evaluable population included all enrolled participants who received at least one dose of study medication and had an adequate baseline cytogenetic assessment.

Groups in this outcome

Bosutinib 500 mg, CP2L-CML IM-R (Part 2)

Bosutinib 500 mg was administered orally once-daily in participants with CP2L IM-R CML; who had no prior proto-oncogene tyrosine-protein kinase Src, Abl, or Src-Abl inhibitor exposure other than IM.

Bosutinib 500 mg, CP2L-CML IM-I (Part 2)

Bosutinib 500 mg was administered orally once-daily in participants with CP2L IM-I CML; who had no prior proto-oncogene tyrosine-protein kinase Src, Abl, or Src-Abl inhibitor exposure other than IM.

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

Analysis denominator · Participants

GroupSource count
Bosutinib 500 mg, CP2L-CML IM-R (Part 2)107
Bosutinib 500 mg, CP2L-CML IM-I (Part 2)49

Reported measurements

Source class 1
Values in weeks · Interval/dispersion: 95% Confidence Interval
GroupValueSpreadLowerUpperComment
Bosutinib 500 mg, CP2L-CML IM-R (Part 2)12.3Not reported12.124.0Not reported
Bosutinib 500 mg, CP2L-CML IM-I (Part 2)12.1Not reported12.012.3Not reported
Complete source fields
classes
  1. categories
    1. measurements
      1. group Id
        OG000
        lower Limit
        12.1
        upper Limit
        24.0
        value
        12.3
      2. group Id
        OG001
        lower Limit
        12.0
        upper Limit
        12.3
        value
        12.1
denoms
  1. counts
    1. group Id
      OG000
      value
      107
    2. group Id
      OG001
      value
      49
    units
    Participants
description
MCyR was categorized as either CCyR or PCyR. CCyR was achieved when there was 0% Ph+ cells from at least 20 metaphases from conventional bone marrow cytogenetics or \<1% positive cells from at least 200 cells analyzed from FISH. PCyR was achieved when 1 to 35% Ph+ cells were present. Time to MCyR was the interval from the date of first dose of study medication until the first date of achieving a given response. Time to response in weeks equals (=) (event date minus (-) first dose date plus (+) 1)divided (/)7, where the event date is the non-missing date of the first attained response for responders only.
dispersion Type
95% Confidence Interval
groups
  1. description
    Bosutinib 500 mg was administered orally once-daily in participants with CP2L IM-R CML; who had no prior proto-oncogene tyrosine-protein kinase Src, Abl, or Src-Abl inhibitor exposure other than IM.
    id
    OG000
    title
    Bosutinib 500 mg, CP2L-CML IM-R (Part 2)
  2. description
    Bosutinib 500 mg was administered orally once-daily in participants with CP2L IM-I CML; who had no prior proto-oncogene tyrosine-protein kinase Src, Abl, or Src-Abl inhibitor exposure other than IM.
    id
    OG001
    title
    Bosutinib 500 mg, CP2L-CML IM-I (Part 2)
param Type
MEDIAN
population Description
Cytogenetic evaluable population included all enrolled participants who received at least one dose of study medication and had an adequate baseline cytogenetic assessment.
reporting Status
POSTED
time Frame
Week 12, thereafter assessed every 12 weeks up to 2 years then every 24 weeks thereafter up to Year 5
title
Time to Achieve Major Cytogenetic Response (MCyR) in Chronic Phase Second-line CML for Responders Only - Part 2
type
SECONDARY
unit Of Measure
weeks

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Preserved source evidence · Not medical advice