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NCT02494583 · OUTCOME

Pembro Mono vs SOC: DOR Per RECIST 1.1 by BICR in Participants With PD-L1 CPS ≥1 (All Participants)

Study of Pembrolizumab (MK-3475) as First-Line Monotherapy and Combination Therapy for Treatment of Advanced Gastric or Gastroesophageal Junction Adenocarcinoma (MK-3475-062/KEYNOTE-062) · Source last updated 2023-04-13

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

Measure
MEDIAN
Unit
Months
Interval / dispersion
Full Range
Time frame
Up to approximately 42 months

What was measured

For participants who demonstrated a confirmed CR (disappearance of all target lesions) or PR (≥30% decrease in the sum of diameters of target lesions) per RECIST 1.1 based upon BICR, DOR was defined as the time from first documented evidence of confirmed CR or PR until PD or death, whichever occurred first. DOR for participants who had not progressed or died at the time of analysis was censored at the date of their last tumor assessment. Per RECIST 1.1, PD was defined as at least a 20% increase in the sum of diameters of target lesions. In addition to the relative increase of 20%, the sum had to demonstrate an absolute increase of ≥5 mm. The appearance of one or more new lesions was also considered PD. DOR is reported here for all participants in the pembro mono arm and SOC arm who were PD-L1 CPS ≥1 (all participants) and had CR or PR. Per protocol, DOR was compared separately between CPS ≥1 responders of the pembro combo arm and SOC arm and is presented earlier in the record.

Analysis population: All CPS ≥1 participants in the ITT population randomized to the pembro mono arm and SOC arm and who demonstrated a confirmed CR or PR were analyzed. Per protocol, the pembro combo arm was compared to the SOC arm separately and not included in this analysis.

Groups in this outcome

Pembrolizumab Monotherapy (Pembro Mono)

Participants received pembrolizumab 200 mg IV Q3W.

Pembrolizumab + SOC Chemotherapy (Pembro Combo)

Participants received pembrolizumab 200 mg Q3W plus cisplatin 80 mg/m\^2 Q3W plus 5-FU 800 mg/m\^2/day IV infusion on Days 1-5 Q3W. Capecitabine 1000 mg/m\^2 twice a day (BID) on Days 1-14 Q3W could be substituted for 5-FU per local guidelines.

Placebo + SOC Chemotherapy (SOC)

Participants received placebo IV Q3W plus cisplatin 80 mg/m\^2 Q3W plus 5-FU 800 mg/m\^2/day IV infusion on Days 1-5 Q3W. Capecitabine 1000 mg/m\^2 BID on Days 1-14 Q3W could be substituted for 5-FU per local guidelines.

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

Analysis denominator · Participants

GroupSource count
Pembrolizumab Monotherapy (Pembro Mono)38
Pembrolizumab + SOC Chemotherapy (Pembro Combo)0
Placebo + SOC Chemotherapy (SOC)93

Reported measurements

Source class 1
Values in Months · Interval/dispersion: Full Range
GroupValueSpreadLowerUpperComment
Pembrolizumab Monotherapy (Pembro Mono)NANot reportedNANANA=Median DOR and DOR range lower and upper limit not reached (no progressive disease by time of last disease assessment)
Placebo + SOC Chemotherapy (SOC)NANot reportedNANANA=Median DOR and DOR range lower and upper limit not reached (no progressive disease by time of last disease assessment)
Complete source fields
classes
  1. categories
    1. measurements
      1. comment
        NA=Median DOR and DOR range lower and upper limit not reached (no progressive disease by time of last disease assessment)
        group Id
        OG000
        lower Limit
        NA
        upper Limit
        NA
        value
        NA
      2. comment
        NA=Median DOR and DOR range lower and upper limit not reached (no progressive disease by time of last disease assessment)
        group Id
        OG002
        lower Limit
        NA
        upper Limit
        NA
        value
        NA
denoms
  1. counts
    1. group Id
      OG000
      value
      38
    2. group Id
      OG001
      value
      0
    3. group Id
      OG002
      value
      93
    units
    Participants
description
For participants who demonstrated a confirmed CR (disappearance of all target lesions) or PR (≥30% decrease in the sum of diameters of target lesions) per RECIST 1.1 based upon BICR, DOR was defined as the time from first documented evidence of confirmed CR or PR until PD or death, whichever occurred first. DOR for participants who had not progressed or died at the time of analysis was censored at the date of their last tumor assessment. Per RECIST 1.1, PD was defined as at least a 20% increase in the sum of diameters of target lesions. In addition to the relative increase of 20%, the sum had to demonstrate an absolute increase of ≥5 mm. The appearance of one or more new lesions was also considered PD. DOR is reported here for all participants in the pembro mono arm and SOC arm who were PD-L1 CPS ≥1 (all participants) and had CR or PR. Per protocol, DOR was compared separately between CPS ≥1 responders of the pembro combo arm and SOC arm and is presented earlier in the record.
dispersion Type
Full Range
groups
  1. description
    Participants received pembrolizumab 200 mg IV Q3W.
    id
    OG000
    title
    Pembrolizumab Monotherapy (Pembro Mono)
  2. description
    Participants received pembrolizumab 200 mg Q3W plus cisplatin 80 mg/m\^2 Q3W plus 5-FU 800 mg/m\^2/day IV infusion on Days 1-5 Q3W. Capecitabine 1000 mg/m\^2 twice a day (BID) on Days 1-14 Q3W could be substituted for 5-FU per local guidelines.
    id
    OG001
    title
    Pembrolizumab + SOC Chemotherapy (Pembro Combo)
  3. description
    Participants received placebo IV Q3W plus cisplatin 80 mg/m\^2 Q3W plus 5-FU 800 mg/m\^2/day IV infusion on Days 1-5 Q3W. Capecitabine 1000 mg/m\^2 BID on Days 1-14 Q3W could be substituted for 5-FU per local guidelines.
    id
    OG002
    title
    Placebo + SOC Chemotherapy (SOC)
param Type
MEDIAN
population Description
All CPS ≥1 participants in the ITT population randomized to the pembro mono arm and SOC arm and who demonstrated a confirmed CR or PR were analyzed. Per protocol, the pembro combo arm was compared to the SOC arm separately and not included in this analysis.
reporting Status
POSTED
time Frame
Up to approximately 42 months
title
Pembro Mono vs SOC: DOR Per RECIST 1.1 by BICR in Participants With PD-L1 CPS ≥1 (All Participants)
type
SECONDARY
unit Of Measure
Months

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Preserved source evidence · Not medical advice