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NCT01566695 · OUTCOME

Overall Survival (OS)

The Efficacy and Safety of Oral Azacitidine Plus Best Supportive Care Versus Placebo and Best Supportive Care in Subjects With Red Blood Cell (RBC) Transfusion-Dependent Anemia and Thrombocytopenia Due to International Prognostic Scoring System (IPSS) Low Risk Myelodysplastic Syndrome (MDS) · Source last updated 2025-01-07

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 up to death from any cause; up to a maximum of approximately 10 years on study; median duration of treatment to oral azacitidine was 5.29 months and 5.36 months for placebo

What was measured

Overall survival was defined as the time from randomization to death from any cause and was calculated using randomization date and date of death, or date of last follow-up for censored participants. All subjects were followed until drop out (withdrawal of consent from further data collection or lost to follow-up), death, or study closure. Participants who dropped out or were alive at study closure (or at the time of the interim analysis) had their OS times censored at the time of last contact, as appropriate.

Analysis population: Intent to Treat population

Groups in this outcome

Oral Azacitidine and Best Supportive Care

Participants received 300 mg oral azacitidine tablets daily on days 1 to 21 of each 28-day treatment cycle and BSC included and was not limited to pRBC (packed red blood cell \[pRBC\] and whole blood), platelet transfusions (single donor or pooled donor), antibiotic, antiviral and/or antifungal therapy, nutritional support, and granulocyte colony stimulating factors (G-CSF) for participants who experienced neutropenic fever/infections.

Placebo Plus Best Supportive Care

Participants received identically matching placebo tablets QD on days 1 to 21 of each 28-day treatment cycle and BSC which included but was not limited to, pRBC and whole blood, platelet transfusions (single donor or pooled donor), antibiotic, antiviral and/or antifungal therapy, nutritional support, and G-CSF for participants who experienced neutropenic fever/infections.

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

Analysis denominator · Participants

GroupSource count
Oral Azacitidine and Best Supportive Care107
Placebo Plus Best Supportive Care109

Reported measurements

Source class 1
Values in Months · Interval/dispersion: 95% Confidence Interval
GroupValueSpreadLowerUpperComment
Oral Azacitidine and Best Supportive Care17.3Not reported12.920.8Not reported
Placebo Plus Best Supportive Care16.7Not reported12.824.0Not reported

Source statistical analyses

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

  1. ci Lower Limit
    0.79
    ci Num Sides
    TWO_SIDED
    ci Pct Value
    95
    ci Upper Limit
    1.49
    group Ids
    1. OG000
    2. OG001
    non Inferiority Type
    OTHER
    other Analysis Description
    Cox proportional hazards model with stratifies factors
    p Value
    0.6257
    param Type
    Hazard Ratio (HR)
    param Value
    1.08
    statistical Method
    Log Rank
Complete source fields
analyses
  1. ci Lower Limit
    0.79
    ci Num Sides
    TWO_SIDED
    ci Pct Value
    95
    ci Upper Limit
    1.49
    group Ids
    1. OG000
    2. OG001
    non Inferiority Type
    OTHER
    other Analysis Description
    Cox proportional hazards model with stratifies factors
    p Value
    0.6257
    param Type
    Hazard Ratio (HR)
    param Value
    1.08
    statistical Method
    Log Rank
classes
  1. categories
    1. measurements
      1. group Id
        OG000
        lower Limit
        12.9
        upper Limit
        20.8
        value
        17.3
      2. group Id
        OG001
        lower Limit
        12.8
        upper Limit
        24.0
        value
        16.7
denoms
  1. counts
    1. group Id
      OG000
      value
      107
    2. group Id
      OG001
      value
      109
    units
    Participants
description
Overall survival was defined as the time from randomization to death from any cause and was calculated using randomization date and date of death, or date of last follow-up for censored participants. All subjects were followed until drop out (withdrawal of consent from further data collection or lost to follow-up), death, or study closure. Participants who dropped out or were alive at study closure (or at the time of the interim analysis) had their OS times censored at the time of last contact, as appropriate.
dispersion Type
95% Confidence Interval
groups
  1. description
    Participants received 300 mg oral azacitidine tablets daily on days 1 to 21 of each 28-day treatment cycle and BSC included and was not limited to pRBC (packed red blood cell \[pRBC\] and whole blood), platelet transfusions (single donor or pooled donor), antibiotic, antiviral and/or antifungal therapy, nutritional support, and granulocyte colony stimulating factors (G-CSF) for participants who experienced neutropenic fever/infections.
    id
    OG000
    title
    Oral Azacitidine and Best Supportive Care
  2. description
    Participants received identically matching placebo tablets QD on days 1 to 21 of each 28-day treatment cycle and BSC which included but was not limited to, pRBC and whole blood, platelet transfusions (single donor or pooled donor), antibiotic, antiviral and/or antifungal therapy, nutritional support, and G-CSF for participants who experienced neutropenic fever/infections.
    id
    OG001
    title
    Placebo Plus Best Supportive Care
param Type
MEDIAN
population Description
Intent to Treat population
reporting Status
POSTED
time Frame
From randomization up to death from any cause; up to a maximum of approximately 10 years on study; median duration of treatment to oral azacitidine was 5.29 months and 5.36 months for placebo
title
Overall Survival (OS)
type
SECONDARY
unit Of Measure
Months

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Preserved source evidence · Not medical advice