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NCT03914612 · OUTCOME

Objective Tumor Response

Testing the Addition of the Immunotherapy Drug Pembrolizumab to the Usual Chemotherapy Treatment (Paclitaxel and Carboplatin) in Stage III-IV or Recurrent Endometrial Cancer · Source last updated 2026-07-31

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
For the time frame for tumor response, the interquartile range was (2.27 months, 8.66 months) and the maximum was 36.37 months.

What was measured

Assessed by Response Evaluation Criteria for Solid Tumors (RECIST) 1.1.

Analysis population: Randomized patients with measurable disease

Groups in this outcome

(dMMR Cohort): Arm 1: Active Comparator (Placebo, Paclitaxel, Carboplatin)

COMBINATION PHASE: Patients receive placebo IV over 30 minutes on day 1 of each cycle, paclitaxel IV over 3 hours on day 1 of each cycle, and carboplatin IV over 30-60 minutes on day 1 of each cycle. Treatment repeats every 3 weeks for 6 cycles in the absence of disease progression or unacceptable toxicity. Patients with SD or PR who still have measurable disease may continue treatment for up to a total of 10 cycles (if deemed necessary by the treating physician) in the absence of disease progression or unacceptable toxicity. MAINTENANCE PHASE: Patients receive placebo IV over 30 minutes on day 1 of each cycle. Treatment repeats every 6 weeks for up to 14 cycles in the absence of disease progression or unacceptable toxicity.

(dMMR Cohort): Arm 2: Experimental (Pembrolizumab, Paclitaxel, Carboplatin)

COMBINATION PHASE: Patients receive pembrolizumab IV over 30 minutes on day 1 of each cycle, paclitaxel IV over 3 hours on day 1 of each cycle, and carboplatin IV over 30 minutes on day 1 of each cycle. Treatment repeats every 3 weeks for 6 cycles in the absence of disease progression or unacceptable toxicity. Patients with SD or PR who still have measurable disease may continue treatment for up to a total of 10 cycles (if deemed necessary by the treating physician) in the absence of disease progression or unacceptable toxicity. MAINTENANCE PHASE: Patients receive pembrolizumab IV over 30-60 minutes on day 1 of each cycle. Treatment repeats every 6 weeks for up to 14 cycles in the absence of disease progression or unacceptable toxicity.

(pMMR Cohort): Arm 1: Active Comparator (Placebo, Paclitaxel, Carboplatin)

COMBINATION PHASE: Patients receive placebo IV over 30 minutes on day 1 of each cycle, paclitaxel IV over 3 hours on day 1 of each cycle, and carboplatin IV over 30-60 minutes on day 1 of each cycle. Treatment repeats every 3 weeks for 6 cycles in the absence of disease progression or unacceptable toxicity. Patients with SD or PR who still have measurable disease may continue treatment for up to a total of 10 cycles (if deemed necessary by the treating physician) in the absence of disease progression or unacceptable toxicity. MAINTENANCE PHASE: Patients receive placebo IV over 30 minutes on day 1 of each cycle. Treatment repeats every 6 weeks for up to 14 cycles in the absence of disease progression or unacceptable toxicity.

(pMMR Cohort): Arm 2: Experimental (Pembrolizumab, Paclitaxel, Carboplatin)

COMBINATION PHASE: Patients receive pembrolizumab IV over 30 minutes on day 1 of each cycle, paclitaxel IV over 3 hours on day 1 of each cycle, and carboplatin IV over 30 minutes on day 1 of each cycle. Treatment repeats every 3 weeks for 6 cycles in the absence of disease progression or unacceptable toxicity. Patients with SD or PR who still have measurable disease may continue treatment for up to a total of 10 cycles (if deemed necessary by the treating physician) in the absence of disease progression or unacceptable toxicity. MAINTENANCE PHASE: Patients receive pembrolizumab IV over 30-60 minutes on day 1 of each cycle. Treatment repeats every 6 weeks for up to 14 cycles in the absence of disease progression or unacceptable toxicity.

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

Analysis denominator · Participants

GroupSource count
(dMMR Cohort): Arm 1: Active Comparator (Placebo, Paclitaxel, Carboplatin)92
(dMMR Cohort): Arm 2: Experimental (Pembrolizumab, Paclitaxel, Carboplatin)92
(pMMR Cohort): Arm 1: Active Comparator (Placebo, Paclitaxel, Carboplatin)234
(pMMR Cohort): Arm 2: Experimental (Pembrolizumab, Paclitaxel, Carboplatin)212

Reported measurements

Source class 1
Values in Participants · Interval/dispersion: Not reported
GroupValueSpreadLowerUpperComment
(dMMR Cohort): Arm 1: Active Comparator (Placebo, Paclitaxel, Carboplatin)65Not reportedNot reportedNot reportedNot reported
(dMMR Cohort): Arm 2: Experimental (Pembrolizumab, Paclitaxel, Carboplatin)75Not reportedNot reportedNot reportedNot reported
(pMMR Cohort): Arm 1: Active Comparator (Placebo, Paclitaxel, Carboplatin)136Not reportedNot reportedNot reportedNot reported
(pMMR Cohort): Arm 2: Experimental (Pembrolizumab, Paclitaxel, Carboplatin)150Not reportedNot reportedNot reportedNot reported
Complete source fields
classes
  1. categories
    1. measurements
      1. group Id
        OG000
        value
        65
      2. group Id
        OG001
        value
        75
      3. group Id
        OG002
        value
        136
      4. group Id
        OG003
        value
        150
denoms
  1. counts
    1. group Id
      OG000
      value
      92
    2. group Id
      OG001
      value
      92
    3. group Id
      OG002
      value
      234
    4. group Id
      OG003
      value
      212
    units
    Participants
description
Assessed by Response Evaluation Criteria for Solid Tumors (RECIST) 1.1.
groups
  1. description
    COMBINATION PHASE: Patients receive placebo IV over 30 minutes on day 1 of each cycle, paclitaxel IV over 3 hours on day 1 of each cycle, and carboplatin IV over 30-60 minutes on day 1 of each cycle. Treatment repeats every 3 weeks for 6 cycles in the absence of disease progression or unacceptable toxicity. Patients with SD or PR who still have measurable disease may continue treatment for up to a total of 10 cycles (if deemed necessary by the treating physician) in the absence of disease progression or unacceptable toxicity. MAINTENANCE PHASE: Patients receive placebo IV over 30 minutes on day 1 of each cycle. Treatment repeats every 6 weeks for up to 14 cycles in the absence of disease progression or unacceptable toxicity.
    id
    OG000
    title
    (dMMR Cohort): Arm 1: Active Comparator (Placebo, Paclitaxel, Carboplatin)
  2. description
    COMBINATION PHASE: Patients receive pembrolizumab IV over 30 minutes on day 1 of each cycle, paclitaxel IV over 3 hours on day 1 of each cycle, and carboplatin IV over 30 minutes on day 1 of each cycle. Treatment repeats every 3 weeks for 6 cycles in the absence of disease progression or unacceptable toxicity. Patients with SD or PR who still have measurable disease may continue treatment for up to a total of 10 cycles (if deemed necessary by the treating physician) in the absence of disease progression or unacceptable toxicity. MAINTENANCE PHASE: Patients receive pembrolizumab IV over 30-60 minutes on day 1 of each cycle. Treatment repeats every 6 weeks for up to 14 cycles in the absence of disease progression or unacceptable toxicity.
    id
    OG001
    title
    (dMMR Cohort): Arm 2: Experimental (Pembrolizumab, Paclitaxel, Carboplatin)
  3. description
    COMBINATION PHASE: Patients receive placebo IV over 30 minutes on day 1 of each cycle, paclitaxel IV over 3 hours on day 1 of each cycle, and carboplatin IV over 30-60 minutes on day 1 of each cycle. Treatment repeats every 3 weeks for 6 cycles in the absence of disease progression or unacceptable toxicity. Patients with SD or PR who still have measurable disease may continue treatment for up to a total of 10 cycles (if deemed necessary by the treating physician) in the absence of disease progression or unacceptable toxicity. MAINTENANCE PHASE: Patients receive placebo IV over 30 minutes on day 1 of each cycle. Treatment repeats every 6 weeks for up to 14 cycles in the absence of disease progression or unacceptable toxicity.
    id
    OG002
    title
    (pMMR Cohort): Arm 1: Active Comparator (Placebo, Paclitaxel, Carboplatin)
  4. description
    COMBINATION PHASE: Patients receive pembrolizumab IV over 30 minutes on day 1 of each cycle, paclitaxel IV over 3 hours on day 1 of each cycle, and carboplatin IV over 30 minutes on day 1 of each cycle. Treatment repeats every 3 weeks for 6 cycles in the absence of disease progression or unacceptable toxicity. Patients with SD or PR who still have measurable disease may continue treatment for up to a total of 10 cycles (if deemed necessary by the treating physician) in the absence of disease progression or unacceptable toxicity. MAINTENANCE PHASE: Patients receive pembrolizumab IV over 30-60 minutes on day 1 of each cycle. Treatment repeats every 6 weeks for up to 14 cycles in the absence of disease progression or unacceptable toxicity.
    id
    OG003
    title
    (pMMR Cohort): Arm 2: Experimental (Pembrolizumab, Paclitaxel, Carboplatin)
param Type
COUNT_OF_PARTICIPANTS
population Description
Randomized patients with measurable disease
reporting Status
POSTED
time Frame
For the time frame for tumor response, the interquartile range was (2.27 months, 8.66 months) and the maximum was 36.37 months.
title
Objective Tumor Response
type
SECONDARY
unit Of Measure
Participants

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Preserved source evidence · Not medical advice