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NCT02610777 · OUTCOME

Time to Subsequent Therapy

An Efficacy and Safety Study of Pevonedistat Plus Azacitidine Versus Single-Agent Azacitidine in Participants With Higher-Risk Myelodysplastic Syndromes (HR MDS), Chronic Myelomonocytic Leukemia (CMML) and Low-Blast Acute Myelogenous Leukemia (AML) · Source last updated 2022-09-19

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 date of randomization up to approximately 5 years

What was measured

Time to subsequent therapy is defined as time from randomization to the date of the first subsequent therapy. Subsequent therapy is defined as agent(s) with antileukemic/anti-MDS activity. Participants who discontinue study treatment to receive single-agent azacitidine off study did not be counted as receiving subsequent therapy.

Analysis population: ITT Population was defined as all participants who were randomized.

Groups in this outcome

Azacitidine 75 mg/m^2

Azacitidine 75 mg/m\^2, infusion, intravenously or subcutaneously, on Day 1 through Day 5, Days 8 and 9 in 28-day treatment cycles until unacceptable toxicity, relapse, transformation to AML (for participants with HR MDS or CMML), or progressive disease (for participants with low-blast AML).

Azacitidine 75 mg/m^2 + Pevonedistat 20 mg/m^2

Azacitidine 75 mg/m\^2, infusion, intravenously or subcutaneously, on Day 1 through Day 5, Days 8 and 9 and pevonedistat 20 mg/m\^2, infusion, intravenously, on Days 1, 3, and 5 in 28-day treatment cycles until unacceptable toxicity, relapse, transformation to AML (for participants with HR MDS or CMML), or progressive disease (for participants with low-blast AML).

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

Analysis denominator · Participants

GroupSource count
Azacitidine 75 mg/m^262
Azacitidine 75 mg/m^2 + Pevonedistat 20 mg/m^258

Reported measurements

Source class 1
Values in months · Interval/dispersion: 95% Confidence Interval
GroupValueSpreadLowerUpperComment
Azacitidine 75 mg/m^2NANot reportedNANAThe median and 95% CI was not estimable due to low number of participants with the event.
Azacitidine 75 mg/m^2 + Pevonedistat 20 mg/m^2NANot reportedNANAThe median and 95% CI was not estimable due to lower number of participants with the event.

Source statistical analyses

Group order, estimate direction, methods and comments are retained. No treatment ranking is inferred.

  1. ci Lower Limit
    0.226
    ci Num Sides
    TWO_SIDED
    ci Pct Value
    95
    ci Upper Limit
    3.620
    estimate Comment
    HR is based on an unstratified Cox proportional hazard regression model with treatment as a factor. HR\<1for the treatment indicates a longer time to Subsequent Therapy in the Pevonedistat Combination arm compared to the Azacitidine only arm.
    group Ids
    1. OG000
    2. OG001
    non Inferiority Type
    SUPERIORITY
    p Value
    =0.888
    p Value Comment
    P-value is from an unstratified log-rank test.
    param Type
    Hazard Ratio (HR)
    param Value
    0.905
    statistical Method
    Log Rank
Complete source fields
analyses
  1. ci Lower Limit
    0.226
    ci Num Sides
    TWO_SIDED
    ci Pct Value
    95
    ci Upper Limit
    3.620
    estimate Comment
    HR is based on an unstratified Cox proportional hazard regression model with treatment as a factor. HR\<1for the treatment indicates a longer time to Subsequent Therapy in the Pevonedistat Combination arm compared to the Azacitidine only arm.
    group Ids
    1. OG000
    2. OG001
    non Inferiority Type
    SUPERIORITY
    p Value
    =0.888
    p Value Comment
    P-value is from an unstratified log-rank test.
    param Type
    Hazard Ratio (HR)
    param Value
    0.905
    statistical Method
    Log Rank
classes
  1. categories
    1. measurements
      1. comment
        The median and 95% CI was not estimable due to low number of participants with the event.
        group Id
        OG000
        lower Limit
        NA
        upper Limit
        NA
        value
        NA
      2. comment
        The median and 95% CI was not estimable due to lower number of participants with the event.
        group Id
        OG001
        lower Limit
        NA
        upper Limit
        NA
        value
        NA
denoms
  1. counts
    1. group Id
      OG000
      value
      62
    2. group Id
      OG001
      value
      58
    units
    Participants
description
Time to subsequent therapy is defined as time from randomization to the date of the first subsequent therapy. Subsequent therapy is defined as agent(s) with antileukemic/anti-MDS activity. Participants who discontinue study treatment to receive single-agent azacitidine off study did not be counted as receiving subsequent therapy.
dispersion Type
95% Confidence Interval
groups
  1. description
    Azacitidine 75 mg/m\^2, infusion, intravenously or subcutaneously, on Day 1 through Day 5, Days 8 and 9 in 28-day treatment cycles until unacceptable toxicity, relapse, transformation to AML (for participants with HR MDS or CMML), or progressive disease (for participants with low-blast AML).
    id
    OG000
    title
    Azacitidine 75 mg/m^2
  2. description
    Azacitidine 75 mg/m\^2, infusion, intravenously or subcutaneously, on Day 1 through Day 5, Days 8 and 9 and pevonedistat 20 mg/m\^2, infusion, intravenously, on Days 1, 3, and 5 in 28-day treatment cycles until unacceptable toxicity, relapse, transformation to AML (for participants with HR MDS or CMML), or progressive disease (for participants with low-blast AML).
    id
    OG001
    title
    Azacitidine 75 mg/m^2 + Pevonedistat 20 mg/m^2
param Type
MEDIAN
population Description
ITT Population was defined as all participants who were randomized.
reporting Status
POSTED
time Frame
From date of randomization up to approximately 5 years
title
Time to Subsequent Therapy
type
SECONDARY
unit Of Measure
months

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