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NCT00567190 · OUTCOME

Cardiac-Related AEs to Monitor: Number of Participants Who Experienced at Least One Symptomatic Left Ventricular Dysfunction (LVD), Any LVD, or Serious AE Suggestive of Congestive Heart Failure by Severity During the Treatment Period

A Study to Evaluate Pertuzumab + Trastuzumab + Docetaxel vs. Placebo + Trastuzumab + Docetaxel in Previously Untreated HER2-Positive Metastatic Breast Cancer · Source last updated 2019-12-13

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

Measure
COUNT_OF_PARTICIPANTS
Unit
Participants
Interval / dispersion
Not reported
Time frame
Placebo arm: Baseline to last dose of study treatment +42 days (or crossover date); Pertuzumab arm: Baseline to last dose of study treatment +42 days; Crossover arm: Crossover date to last dose of study treatment +42 days (see Description - time per arm)

What was measured

Cardiac-related adverse events (AEs) to monitor during the study included investigator-assessed symptomatic left ventricular dysfunction (LVD), any LVD, or a serious adverse event (SAE) suggestive of congestive heart failure (CHF). All cardiac-related AEs were graded for severity according to NCI-CTCAE v3.0. Asymptomatic (Grades 1-2) and symptomatic (Grades 3-5) left ventricular systolic dysfunction (LVSD) both coded to the MedDRA preferred term LVD. Investigator-assessed events of symptomatic LVD were also graded for severity of symptoms according to Classes I (least severe) to IV (most severe) of the New York Heart Association (NYHA) Classification. SAEs suggestive of CHF were identified as serious events from the Standardized MedDRA Query (SMQ) (Wide) 'Cardiac Failure'. Median \[range\] time on study treatment per arm: Placebo: 49.3 \[0.3-514.7\] weeks; Pertuzumab: 75.7 \[0.6-519.6\] weeks; Crossover: 129.9 \[0.3-322.3\] weeks.

Analysis population: Safety Population: All participants who received at least one dose of any study medication.

Groups in this outcome

Placebo + Trastuzumab + Docetaxel

This is the placebo safety population, which includes participants who received study treatment with placebo at every cycle. Participants received placebo IV q3w and trastuzumab 6 mg/kg IV q3This is the placebo safety population, which includes participants who received study treatment with placebo at every cycle. Participants received placebo IV q3w and trastuzumab 6 mg/kg IV q3w, plus docetaxel 75 mg/m\^2 IV q3w (for at least 6 cycles; 1 cycle was 21 days). After Cycle 6, continuation of docetaxel treatment was at the discretion of the participant and treating physician. Participants remained in the treatment phase of the study until investigator-assessed radiographic or clinical evidence of disease progression, unmanageable toxicity, or study termination and were followed for survival until death, loss to follow-up, withdrawal of consent, or study termination.

Pertuzumab + Trastuzumab + Docetaxel

This is the pertuzumab safety population, which includes participants who received at least one dose of study treatment with pertuzumab. Participants received pertuzumab 420 milligrams (mg) intravenously (IV) once every 3 weeks (q3w) and trastuzumab 6 milligrams per kilogram (mg/kg) IV q3w, plus docetaxel 75 milligrams per square metre of body surface (mg/m\^2) IV q3w (for at least 6 cycles; 1 cycle was 21 days). After Cycle 6, continuation of docetaxel treatment was at the discretion of the participant and treating physician. Participants remained in the treatment phase of the study until investigator-assessed radiographic or clinical evidence of disease progression, unmanageable toxicity, or study termination and were followed for survival until death, loss to follow-up, withdrawal of consent, or study termination.

Crossover From Placebo to Pertuzumab

Fifty of 406 participants (12.3%) randomized to the placebo treatment arm whose disease had not progressed crossed over to an open-label pertuzumab treatment group between July 2012 and November 2018. Participants received pertuzumab administered as an IV loading dose of 840 mg at cycle 1 then 420 mg IV every q3w. Trastuzumab and docetaxel doses continued in accordance with the pre-crossover placebo treatment regimens and according to dosing specifications indicated in the study protocol. Participants remained in the treatment phase of the study until investigator-assessed radiographic or clinical evidence of disease progression, unmanageable toxicity, or study termination and were followed for survival until death, loss to follow-up, withdrawal of consent, or study termination.

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

Analysis denominator · Participants

GroupSource count
Placebo + Trastuzumab + Docetaxel396
Pertuzumab + Trastuzumab + Docetaxel408
Crossover From Placebo to Pertuzumab50

Reported measurements

Symptomatic LVD(Investigator)-All NYHA Classes
Values in Participants · Interval/dispersion: Not reported
GroupValueSpreadLowerUpperComment
Placebo + Trastuzumab + Docetaxel7Not reportedNot reportedNot reportedNot reported
Pertuzumab + Trastuzumab + Docetaxel6Not reportedNot reportedNot reportedNot reported
Crossover From Placebo to Pertuzumab1Not reportedNot reportedNot reportedNot reported
Symptomatic LVD(Investigator)-NYHA Classes III/IV
Values in Participants · Interval/dispersion: Not reported
GroupValueSpreadLowerUpperComment
Placebo + Trastuzumab + Docetaxel4Not reportedNot reportedNot reportedNot reported
Pertuzumab + Trastuzumab + Docetaxel4Not reportedNot reportedNot reportedNot reported
Crossover From Placebo to Pertuzumab1Not reportedNot reportedNot reportedNot reported
Any LVD - All NCI-CTCAE Grades
Values in Participants · Interval/dispersion: Not reported
GroupValueSpreadLowerUpperComment
Placebo + Trastuzumab + Docetaxel34Not reportedNot reportedNot reportedNot reported
Pertuzumab + Trastuzumab + Docetaxel32Not reportedNot reportedNot reportedNot reported
Crossover From Placebo to Pertuzumab3Not reportedNot reportedNot reportedNot reported
Any LVD - NCI-CTCAE Grade ≥3
Values in Participants · Interval/dispersion: Not reported
GroupValueSpreadLowerUpperComment
Placebo + Trastuzumab + Docetaxel13Not reportedNot reportedNot reportedNot reported
Pertuzumab + Trastuzumab + Docetaxel6Not reportedNot reportedNot reportedNot reported
Crossover From Placebo to Pertuzumab2Not reportedNot reportedNot reportedNot reported
SAE Suggestive of CHF - All NCI-CTCAE Grades
Values in Participants · Interval/dispersion: Not reported
GroupValueSpreadLowerUpperComment
Placebo + Trastuzumab + Docetaxel8Not reportedNot reportedNot reportedNot reported
Pertuzumab + Trastuzumab + Docetaxel8Not reportedNot reportedNot reportedNot reported
Crossover From Placebo to Pertuzumab1Not reportedNot reportedNot reportedNot reported
SAE Suggestive of CHF - NCI-CTCAE Grade ≥3
Values in Participants · Interval/dispersion: Not reported
GroupValueSpreadLowerUpperComment
Placebo + Trastuzumab + Docetaxel7Not reportedNot reportedNot reportedNot reported
Pertuzumab + Trastuzumab + Docetaxel7Not reportedNot reportedNot reportedNot reported
Crossover From Placebo to Pertuzumab1Not reportedNot reportedNot reportedNot reported
Complete source fields
classes
  1. categories
    1. measurements
      1. group Id
        OG000
        value
        7
      2. group Id
        OG001
        value
        6
      3. group Id
        OG002
        value
        1
    title
    Symptomatic LVD(Investigator)-All NYHA Classes
  2. categories
    1. measurements
      1. group Id
        OG000
        value
        4
      2. group Id
        OG001
        value
        4
      3. group Id
        OG002
        value
        1
    title
    Symptomatic LVD(Investigator)-NYHA Classes III/IV
  3. categories
    1. measurements
      1. group Id
        OG000
        value
        34
      2. group Id
        OG001
        value
        32
      3. group Id
        OG002
        value
        3
    title
    Any LVD - All NCI-CTCAE Grades
  4. categories
    1. measurements
      1. group Id
        OG000
        value
        13
      2. group Id
        OG001
        value
        6
      3. group Id
        OG002
        value
        2
    title
    Any LVD - NCI-CTCAE Grade ≥3
  5. categories
    1. measurements
      1. group Id
        OG000
        value
        8
      2. group Id
        OG001
        value
        8
      3. group Id
        OG002
        value
        1
    title
    SAE Suggestive of CHF - All NCI-CTCAE Grades
  6. categories
    1. measurements
      1. group Id
        OG000
        value
        7
      2. group Id
        OG001
        value
        7
      3. group Id
        OG002
        value
        1
    title
    SAE Suggestive of CHF - NCI-CTCAE Grade ≥3
denoms
  1. counts
    1. group Id
      OG000
      value
      396
    2. group Id
      OG001
      value
      408
    3. group Id
      OG002
      value
      50
    units
    Participants
description
Cardiac-related adverse events (AEs) to monitor during the study included investigator-assessed symptomatic left ventricular dysfunction (LVD), any LVD, or a serious adverse event (SAE) suggestive of congestive heart failure (CHF). All cardiac-related AEs were graded for severity according to NCI-CTCAE v3.0. Asymptomatic (Grades 1-2) and symptomatic (Grades 3-5) left ventricular systolic dysfunction (LVSD) both coded to the MedDRA preferred term LVD. Investigator-assessed events of symptomatic LVD were also graded for severity of symptoms according to Classes I (least severe) to IV (most severe) of the New York Heart Association (NYHA) Classification. SAEs suggestive of CHF were identified as serious events from the Standardized MedDRA Query (SMQ) (Wide) 'Cardiac Failure'. Median \[range\] time on study treatment per arm: Placebo: 49.3 \[0.3-514.7\] weeks; Pertuzumab: 75.7 \[0.6-519.6\] weeks; Crossover: 129.9 \[0.3-322.3\] weeks.
groups
  1. description
    This is the placebo safety population, which includes participants who received study treatment with placebo at every cycle. Participants received placebo IV q3w and trastuzumab 6 mg/kg IV q3This is the placebo safety population, which includes participants who received study treatment with placebo at every cycle. Participants received placebo IV q3w and trastuzumab 6 mg/kg IV q3w, plus docetaxel 75 mg/m\^2 IV q3w (for at least 6 cycles; 1 cycle was 21 days). After Cycle 6, continuation of docetaxel treatment was at the discretion of the participant and treating physician. Participants remained in the treatment phase of the study until investigator-assessed radiographic or clinical evidence of disease progression, unmanageable toxicity, or study termination and were followed for survival until death, loss to follow-up, withdrawal of consent, or study termination.
    id
    OG000
    title
    Placebo + Trastuzumab + Docetaxel
  2. description
    This is the pertuzumab safety population, which includes participants who received at least one dose of study treatment with pertuzumab. Participants received pertuzumab 420 milligrams (mg) intravenously (IV) once every 3 weeks (q3w) and trastuzumab 6 milligrams per kilogram (mg/kg) IV q3w, plus docetaxel 75 milligrams per square metre of body surface (mg/m\^2) IV q3w (for at least 6 cycles; 1 cycle was 21 days). After Cycle 6, continuation of docetaxel treatment was at the discretion of the participant and treating physician. Participants remained in the treatment phase of the study until investigator-assessed radiographic or clinical evidence of disease progression, unmanageable toxicity, or study termination and were followed for survival until death, loss to follow-up, withdrawal of consent, or study termination.
    id
    OG001
    title
    Pertuzumab + Trastuzumab + Docetaxel
  3. description
    Fifty of 406 participants (12.3%) randomized to the placebo treatment arm whose disease had not progressed crossed over to an open-label pertuzumab treatment group between July 2012 and November 2018. Participants received pertuzumab administered as an IV loading dose of 840 mg at cycle 1 then 420 mg IV every q3w. Trastuzumab and docetaxel doses continued in accordance with the pre-crossover placebo treatment regimens and according to dosing specifications indicated in the study protocol. Participants remained in the treatment phase of the study until investigator-assessed radiographic or clinical evidence of disease progression, unmanageable toxicity, or study termination and were followed for survival until death, loss to follow-up, withdrawal of consent, or study termination.
    id
    OG002
    title
    Crossover From Placebo to Pertuzumab
param Type
COUNT_OF_PARTICIPANTS
population Description
Safety Population: All participants who received at least one dose of any study medication.
reporting Status
POSTED
time Frame
Placebo arm: Baseline to last dose of study treatment +42 days (or crossover date); Pertuzumab arm: Baseline to last dose of study treatment +42 days; Crossover arm: Crossover date to last dose of study treatment +42 days (see Description - time per arm)
title
Cardiac-Related AEs to Monitor: Number of Participants Who Experienced at Least One Symptomatic Left Ventricular Dysfunction (LVD), Any LVD, or Serious AE Suggestive of Congestive Heart Failure by Severity During the Treatment Period
type
SECONDARY
unit Of Measure
Participants

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Preserved source evidence · Not medical advice