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NCT03777657 · OUTCOME

Time to Response (TTR) in the ITT Analysis Set

Tislelizumab in Combination With Chemotherapy as First-Line Treatment in Adults With Inoperable, Locally Advanced or Metastatic Gastric, or Gastroesophageal Junction Carcinoma · Source last updated 2025-02-14

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
From randomization up to the final efficacy analysis data cut-off date of 28 February 2023; Median (range) time on follow-up was 13.2 (0.1 - 50.1) months.

What was measured

Time to response is defined as the time from randomization to the first determination of an objective response per RECIST version 1.1 as assessed by the investigator.

Analysis population: Participants in the ITT Analysis Set with an objective response

Groups in this outcome

Tislelizumab + Chemotherapy

Participants received 200 mg of tislelizumab intravenously with investigator's choice of chemotherapy once every 3 weeks for up to six treatment cycles. Thereafter, participants continued treatment with 200 mg tislelizumab, with optional maintenance capecitabine (only permitted for participants who initially received capecitabine and oxaliplatin) once every 3 weeks until disease progression or unacceptable toxicity.

Placebo + Chemotherapy

Participants received placebo intravenously with investigator's choice of chemotherapy once every 3 weeks for up to six treatment cycles. Thereafter, participants continued treatment with placebo with optional maintenance capecitabine (only permitted for participants who initially received capecitabine and oxaliplatin) once every 3 weeks until 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
Tislelizumab + Chemotherapy237
Placebo + Chemotherapy201

Reported measurements

Source class 1
Values in months · Interval/dispersion: Full Range
GroupValueSpreadLowerUpperComment
Tislelizumab + Chemotherapy1.4Not reported0.913.4Not reported
Placebo + Chemotherapy1.4Not reported1.017.5Not reported
Complete source fields
classes
  1. categories
    1. measurements
      1. group Id
        OG000
        lower Limit
        0.9
        upper Limit
        13.4
        value
        1.4
      2. group Id
        OG001
        lower Limit
        1.0
        upper Limit
        17.5
        value
        1.4
denoms
  1. counts
    1. group Id
      OG000
      value
      237
    2. group Id
      OG001
      value
      201
    units
    Participants
description
Time to response is defined as the time from randomization to the first determination of an objective response per RECIST version 1.1 as assessed by the investigator.
dispersion Type
Full Range
groups
  1. description
    Participants received 200 mg of tislelizumab intravenously with investigator's choice of chemotherapy once every 3 weeks for up to six treatment cycles. Thereafter, participants continued treatment with 200 mg tislelizumab, with optional maintenance capecitabine (only permitted for participants who initially received capecitabine and oxaliplatin) once every 3 weeks until disease progression or unacceptable toxicity.
    id
    OG000
    title
    Tislelizumab + Chemotherapy
  2. description
    Participants received placebo intravenously with investigator's choice of chemotherapy once every 3 weeks for up to six treatment cycles. Thereafter, participants continued treatment with placebo with optional maintenance capecitabine (only permitted for participants who initially received capecitabine and oxaliplatin) once every 3 weeks until disease progression or unacceptable toxicity.
    id
    OG001
    title
    Placebo + Chemotherapy
param Type
MEDIAN
population Description
Participants in the ITT Analysis Set with an objective response
reporting Status
POSTED
time Frame
From randomization up to the final efficacy analysis data cut-off date of 28 February 2023; Median (range) time on follow-up was 13.2 (0.1 - 50.1) months.
title
Time to Response (TTR) in the ITT Analysis Set
type
SECONDARY
unit Of Measure
months

Download exact source JSON → · Snapshot ctgov-results-191f4516d4760045304b24a0

Preserved source evidence · Not medical advice