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NCT01120184 · OUTCOME

Percentage of Participants With Grade ≥3 Adverse Events

A Study of Trastuzumab Emtansine (T-DM1) Plus Pertuzumab/Pertuzumab Placebo Versus Trastuzumab [Herceptin] Plus a Taxane in Participants With Metastatic Breast Cancer (MARIANNE) · Source last updated 2024-03-04

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
Not reported
Time frame
Up to 50 months from randomization until clinical cutoff of 16-Sept-2014 (continuously until 28 days after last dose

What was measured

Adverse events were graded according to National Cancer Institute (NCI) Common Terminology Criteria for Adverse Events (CTCAE) version 4.0. Grade 3: Severe or medically significant but not immediately life-threatening; hospitalization or prolongation of hospitalization indicated; disabling; limiting self care activity of daily living with inability to perform bathing, dressing and undressing, feeding self, using the toilet, taking medications but not bedridden. Grade 4: An immediate threat to life. Urgent medical intervention is required in order to maintain survival. Grade 5: Death.

Analysis population: Safety Population: All treated participants. Additionally, 2 participants randomized to trastuzumab+taxane received 3 cycles of trastuzumab emtansine and were included in trastuzumab emtansine+placebo arm. 6 participants randomized to trastuzumab emtansine+placebo received pertuzumab and were included in trastuzumab emtansine+pertuzumab arm.

Groups in this outcome

Trastuzumab + Taxane

Participants received trastuzumab plus either docetaxel or paclitaxel. The regimen was chosen at the investigator's discretion. Option 1: trastuzumab 8 mg/kg via IV infusion on Day 1 of Cycle 1, then 6 mg/kg IV on Day 1 of each subsequent 3-week cycle; plus a minimum of 6 cycles with docetaxel 75 or 100 mg/m\^2 IV on Day 1 of each 3-week cycle. Option 2: trastuzumab 4 mg/kg IV on Day 1 of Cycle 1, then 2 mg/kg IV weekly beginning on Day 8 of Cycle 1; plus a minimum of 18 weeks with paclitaxel 80 mg/m\^2 IV weekly. Treatment continued until disease progression, unacceptable toxicity, or study termination. If trastuzumab or docetaxel were discontinued for toxicity, the other agent could be continued as monotherapy.

Trastuzumab Emtansine + Placebo

Participants received trastuzumab emtansine plus pertuzumab-placebo. Trastuzumab emtansine was administered as 3.6 mg/kg via IV infusion, following completion of the placebo IV infusion, on Day 1 of each 3-week cycle. Treatment continued until disease progression, unacceptable toxicity, or study termination.

Trastuzumab Emtansine + Pertuzumab

Participants received trastuzumab emtansine plus pertuzumab. Trastuzumab emtansine was administered as 3.6 mg/kg via IV infusion, following completion of the pertuzumab IV infusion, on Day 1 of each 3-week cycle. Pertuzumab was given as 840 mg IV on Day 1 of Cycle 1, then 420 mg IV on Day 1 of each subsequent 3-week cycle. Treatment continued until disease progression, unacceptable toxicity, 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
Trastuzumab + Taxane353
Trastuzumab Emtansine + Placebo361
Trastuzumab Emtansine + Pertuzumab366

Reported measurements

Source class 1
Values in percentage of participants · Interval/dispersion: Not reported
GroupValueSpreadLowerUpperComment
Trastuzumab + Taxane54.1Not reportedNot reportedNot reportedNot reported
Trastuzumab Emtansine + Placebo45.4Not reportedNot reportedNot reportedNot reported
Trastuzumab Emtansine + Pertuzumab46.2Not reportedNot reportedNot reportedNot reported
Complete source fields
classes
  1. categories
    1. measurements
      1. group Id
        OG000
        value
        54.1
      2. group Id
        OG001
        value
        45.4
      3. group Id
        OG002
        value
        46.2
denoms
  1. counts
    1. group Id
      OG000
      value
      353
    2. group Id
      OG001
      value
      361
    3. group Id
      OG002
      value
      366
    units
    Participants
description
Adverse events were graded according to National Cancer Institute (NCI) Common Terminology Criteria for Adverse Events (CTCAE) version 4.0. Grade 3: Severe or medically significant but not immediately life-threatening; hospitalization or prolongation of hospitalization indicated; disabling; limiting self care activity of daily living with inability to perform bathing, dressing and undressing, feeding self, using the toilet, taking medications but not bedridden. Grade 4: An immediate threat to life. Urgent medical intervention is required in order to maintain survival. Grade 5: Death.
groups
  1. description
    Participants received trastuzumab plus either docetaxel or paclitaxel. The regimen was chosen at the investigator's discretion. Option 1: trastuzumab 8 mg/kg via IV infusion on Day 1 of Cycle 1, then 6 mg/kg IV on Day 1 of each subsequent 3-week cycle; plus a minimum of 6 cycles with docetaxel 75 or 100 mg/m\^2 IV on Day 1 of each 3-week cycle. Option 2: trastuzumab 4 mg/kg IV on Day 1 of Cycle 1, then 2 mg/kg IV weekly beginning on Day 8 of Cycle 1; plus a minimum of 18 weeks with paclitaxel 80 mg/m\^2 IV weekly. Treatment continued until disease progression, unacceptable toxicity, or study termination. If trastuzumab or docetaxel were discontinued for toxicity, the other agent could be continued as monotherapy.
    id
    OG000
    title
    Trastuzumab + Taxane
  2. description
    Participants received trastuzumab emtansine plus pertuzumab-placebo. Trastuzumab emtansine was administered as 3.6 mg/kg via IV infusion, following completion of the placebo IV infusion, on Day 1 of each 3-week cycle. Treatment continued until disease progression, unacceptable toxicity, or study termination.
    id
    OG001
    title
    Trastuzumab Emtansine + Placebo
  3. description
    Participants received trastuzumab emtansine plus pertuzumab. Trastuzumab emtansine was administered as 3.6 mg/kg via IV infusion, following completion of the pertuzumab IV infusion, on Day 1 of each 3-week cycle. Pertuzumab was given as 840 mg IV on Day 1 of Cycle 1, then 420 mg IV on Day 1 of each subsequent 3-week cycle. Treatment continued until disease progression, unacceptable toxicity, or study termination.
    id
    OG002
    title
    Trastuzumab Emtansine + Pertuzumab
param Type
NUMBER
population Description
Safety Population: All treated participants. Additionally, 2 participants randomized to trastuzumab+taxane received 3 cycles of trastuzumab emtansine and were included in trastuzumab emtansine+placebo arm. 6 participants randomized to trastuzumab emtansine+placebo received pertuzumab and were included in trastuzumab emtansine+pertuzumab arm.
reporting Status
POSTED
time Frame
Up to 50 months from randomization until clinical cutoff of 16-Sept-2014 (continuously until 28 days after last dose
title
Percentage of Participants With Grade ≥3 Adverse Events
type
SECONDARY
unit Of Measure
percentage of participants

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Preserved source evidence · Not medical advice