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NCT02631070 · OUTCOME

Overall Survival

A Study of Luspatercept (ACE-536) to Treat Anemia Due to Very Low, Low, or Intermediate Risk Myelodysplastic Syndromes · Source last updated 2021-12-17

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 study completion (up to approximately 57 months)

What was measured

Overall Survival was defined as the time from the date of study drug randomization to death due to any cause. Overall survival was censored at the last date that the participant was known to be alive for participants who were alive at the time of analysis and for those who discontinued from the study or were lost to follow-up.

Analysis population: All treated participants

Groups in this outcome

Luspatercept

Luspatercept 1.0 mg/Kg SC on Day 1 of each 21-day treatment cycle

Placebo

Placebo (Volume equivalent to experimental arm) SC on Day 1 of each 21-day treatment cycle

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

Analysis denominator · Participants

GroupSource count
Luspatercept153
Placebo76

Reported measurements

Source class 1
Values in Months · Interval/dispersion: 95% Confidence Interval
GroupValueSpreadLowerUpperComment
Luspatercept46.0Not reported42.0NAUpper limit could not be estimated because of the insufficient number of events
PlaceboNANot reported43.1NAMedian and Upper limit could not be estimated because of the insufficient number of events

Source statistical analyses

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

  1. ci Lower Limit
    0.595
    ci Num Sides
    TWO_SIDED
    ci Pct Value
    95
    ci Upper Limit
    1.636
    estimate Comment
    HR is from the Cox proportional hazards model
    group Ids
    1. OG000
    2. OG001
    non Inferiority Type
    SUPERIORITY
    p Value
    0.9580
    param Type
    Hazard Ratio (HR)
    param Value
    0.986
    statistical Method
    Log Rank
Complete source fields
analyses
  1. ci Lower Limit
    0.595
    ci Num Sides
    TWO_SIDED
    ci Pct Value
    95
    ci Upper Limit
    1.636
    estimate Comment
    HR is from the Cox proportional hazards model
    group Ids
    1. OG000
    2. OG001
    non Inferiority Type
    SUPERIORITY
    p Value
    0.9580
    param Type
    Hazard Ratio (HR)
    param Value
    0.986
    statistical Method
    Log Rank
classes
  1. categories
    1. measurements
      1. comment
        Upper limit could not be estimated because of the insufficient number of events
        group Id
        OG000
        lower Limit
        42.0
        upper Limit
        NA
        value
        46.0
      2. comment
        Median and Upper limit could not be estimated because of the insufficient number of events
        group Id
        OG001
        lower Limit
        43.1
        upper Limit
        NA
        value
        NA
denoms
  1. counts
    1. group Id
      OG000
      value
      153
    2. group Id
      OG001
      value
      76
    units
    Participants
description
Overall Survival was defined as the time from the date of study drug randomization to death due to any cause. Overall survival was censored at the last date that the participant was known to be alive for participants who were alive at the time of analysis and for those who discontinued from the study or were lost to follow-up.
dispersion Type
95% Confidence Interval
groups
  1. description
    Luspatercept 1.0 mg/Kg SC on Day 1 of each 21-day treatment cycle
    id
    OG000
    title
    Luspatercept
  2. description
    Placebo (Volume equivalent to experimental arm) SC on Day 1 of each 21-day treatment cycle
    id
    OG001
    title
    Placebo
param Type
MEDIAN
population Description
All treated participants
reporting Status
POSTED
time Frame
From randomization to study completion (up to approximately 57 months)
title
Overall Survival
type
SECONDARY
unit Of Measure
Months

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

Preserved source evidence · Not medical advice