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NCT01327885 · OUTCOME

Progression-Free Rate at 12 Weeks (PFR12wks)

Phase 3 Study to Compare the Efficacy and Safety of Eribulin With Dacarbazine in Subjects With Soft Tissue Sarcoma · Source last updated 2023-06-22

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

Measure
NUMBER
Unit
Percentage of participants
Interval / dispersion
95% Confidence Interval
Time frame
From date of randomization start until Week 12

What was measured

The PFR12wks was defined as the percentage of participants who were still alive without disease progression at 12 weeks from the date of randomization. Tumor assessment by the investigator or designee was based on RECIST criteria 1.1.

Analysis population: FAS (ITT analysis set) included all participants who were randomized.

Groups in this outcome

Arm A: Eribulin Mesylate

Eribulin mesylate at a dose of 1.4 mg/m\^2 was administered IV as a bolus infusion over 2-5 minutes on Days 1 and 8 of every 21-day treatment cycle.

Arm B: Dacarbazine

Dacarbazine at a dose of 850 mg/m\^2, 1000 mg/m\^2, or 1200 mg/m\^2 (as selected by the PI or designee prior to randomization according to the participant's clinical status) was administered as an IV infusion over 15-30 minutes (or up to 60 minutes as per institutional guidelines) on Day 1 of every 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
Arm A: Eribulin Mesylate228
Arm B: Dacarbazine224

Reported measurements

Source class 1
Values in Percentage of participants · Interval/dispersion: 95% Confidence Interval
GroupValueSpreadLowerUpperComment
Arm A: Eribulin Mesylate33.3Not reported27.239.9Not reported
Arm B: Dacarbazine28.6Not reported22.835.0Not reported

Source statistical analyses

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

  1. ci Lower Limit
    0.8
    ci Num Sides
    TWO_SIDED
    ci Pct Value
    95
    ci Upper Limit
    1.9
    estimate Comment
    The odds ratio between eribulin and dacarbazine was calculated by stratified CMH method. The stratified factors were as described above. The 2-sided 95% CI of the odds ratio is based on asymptotic normal approximation.
    group Description
    The PFR12wks was compared between the treatment arms using stratified Cochran-Mantel-Haenszel (CMH) chi-square test stratified by histology, geographic region, and number of prior regimens for advanced STS.
    group Ids
    1. OG000
    2. OG001
    non Inferiority Type
    SUPERIORITY_OR_OTHER_LEGACY
    p Value
    0.253
    p Value Comment
    The P-value was calculated using the stratified CMH method, the stratified factors included histology, geographic region, and number of prior regimens for advanced STS.
    param Type
    Odds Ratio (OR)
    param Value
    1.3
    statistical Method
    Cochran-Mantel-Haenszel
Complete source fields
analyses
  1. ci Lower Limit
    0.8
    ci Num Sides
    TWO_SIDED
    ci Pct Value
    95
    ci Upper Limit
    1.9
    estimate Comment
    The odds ratio between eribulin and dacarbazine was calculated by stratified CMH method. The stratified factors were as described above. The 2-sided 95% CI of the odds ratio is based on asymptotic normal approximation.
    group Description
    The PFR12wks was compared between the treatment arms using stratified Cochran-Mantel-Haenszel (CMH) chi-square test stratified by histology, geographic region, and number of prior regimens for advanced STS.
    group Ids
    1. OG000
    2. OG001
    non Inferiority Type
    SUPERIORITY_OR_OTHER_LEGACY
    p Value
    0.253
    p Value Comment
    The P-value was calculated using the stratified CMH method, the stratified factors included histology, geographic region, and number of prior regimens for advanced STS.
    param Type
    Odds Ratio (OR)
    param Value
    1.3
    statistical Method
    Cochran-Mantel-Haenszel
classes
  1. categories
    1. measurements
      1. group Id
        OG000
        lower Limit
        27.2
        upper Limit
        39.9
        value
        33.3
      2. group Id
        OG001
        lower Limit
        22.8
        upper Limit
        35.0
        value
        28.6
denoms
  1. counts
    1. group Id
      OG000
      value
      228
    2. group Id
      OG001
      value
      224
    units
    Participants
description
The PFR12wks was defined as the percentage of participants who were still alive without disease progression at 12 weeks from the date of randomization. Tumor assessment by the investigator or designee was based on RECIST criteria 1.1.
dispersion Type
95% Confidence Interval
groups
  1. description
    Eribulin mesylate at a dose of 1.4 mg/m\^2 was administered IV as a bolus infusion over 2-5 minutes on Days 1 and 8 of every 21-day treatment cycle.
    id
    OG000
    title
    Arm A: Eribulin Mesylate
  2. description
    Dacarbazine at a dose of 850 mg/m\^2, 1000 mg/m\^2, or 1200 mg/m\^2 (as selected by the PI or designee prior to randomization according to the participant's clinical status) was administered as an IV infusion over 15-30 minutes (or up to 60 minutes as per institutional guidelines) on Day 1 of every 21-day treatment cycle.
    id
    OG001
    title
    Arm B: Dacarbazine
param Type
NUMBER
population Description
FAS (ITT analysis set) included all participants who were randomized.
reporting Status
POSTED
time Frame
From date of randomization start until Week 12
title
Progression-Free Rate at 12 Weeks (PFR12wks)
type
SECONDARY
unit Of Measure
Percentage of participants

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Preserved source evidence · Not medical advice