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NCT03062358 · OUTCOME

Progression Free Survival (PFS) Per Response Evaluation Criteria in Solid Tumors Version 1.1 (RECIST 1.1)

Study of Pembrolizumab (MK-3475) or Placebo Given With Best Supportive Care in Asian Participants With Previously Treated Advanced Hepatocellular Carcinoma (MK-3475-394/KEYNOTE-394) · Source last updated 2025-09-30

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

Measure
MEDIAN
Unit
Months
Interval / dispersion
95% Confidence Interval
Time frame
Up to approximately 4 years

What was measured

PFS is the time from randomization to first documented disease progression or death due to any cause per Response Evaluation Criteria in Solid Tumors Version 1.1 (RECIST 1.1) by Blinded Independent Central Review (BICR) based on the Kaplan-Meier method for censored data.

Analysis population: All randomized participants based on the treatment group to which they were randomized.

Groups in this outcome

Pembrolizumab + BSC

Participants received 200 mg pembrolizumab by IV infusion on Day 1 of each 3-week cycle for up to 35 cycles of treatment plus BSC.

Placebo + BSC

Participants received placebo by IV infusion on Day 1 of each 3-week cycle for up to 35 cycles of treatment plus BSC.

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 + BSC300
Placebo + BSC153

Reported measurements

Source class 1
Values in Months · Interval/dispersion: 95% Confidence Interval
GroupValueSpreadLowerUpperComment
Pembrolizumab + BSC2.6Not reported1.52.8Not reported
Placebo + BSC2.3Not reported1.42.8Not reported

Source statistical analyses

Group order, estimate direction, methods and comments are retained. No treatment ranking is inferred.

  1. ci Lower Limit
    0.60
    ci Num Sides
    TWO_SIDED
    ci Pct Value
    95
    ci Upper Limit
    0.92
    estimate Comment
    Based on Cox regression model with Efron's method of tie handling with treatment as a covariate
    group Ids
    1. OG000
    2. OG001
    non Inferiority Type
    SUPERIORITY
    other Analysis Description
    Stratified by macrovascular invasion (Yes vs. No), α-Fetoprotein (ng/mL) (\< 200 vs. ≥ 200) and region (China vs. ex-China) with all cells that correspond to macrovascular invasion=Yes combined.
    p Value
    0.0032
    p Value Comment
    Log-rank test
    param Type
    Hazard Ratio (HR)
    param Value
    0.74
    statistical Comment
    Stratified by macrovascular invasion, α-Fetoprotein and region with all cells that correspond to macrovascular invasion=Yes combined
    statistical Method
    One-sided p-value
Complete source fields
analyses
  1. ci Lower Limit
    0.60
    ci Num Sides
    TWO_SIDED
    ci Pct Value
    95
    ci Upper Limit
    0.92
    estimate Comment
    Based on Cox regression model with Efron's method of tie handling with treatment as a covariate
    group Ids
    1. OG000
    2. OG001
    non Inferiority Type
    SUPERIORITY
    other Analysis Description
    Stratified by macrovascular invasion (Yes vs. No), α-Fetoprotein (ng/mL) (\< 200 vs. ≥ 200) and region (China vs. ex-China) with all cells that correspond to macrovascular invasion=Yes combined.
    p Value
    0.0032
    p Value Comment
    Log-rank test
    param Type
    Hazard Ratio (HR)
    param Value
    0.74
    statistical Comment
    Stratified by macrovascular invasion, α-Fetoprotein and region with all cells that correspond to macrovascular invasion=Yes combined
    statistical Method
    One-sided p-value
classes
  1. categories
    1. measurements
      1. group Id
        OG000
        lower Limit
        1.5
        upper Limit
        2.8
        value
        2.6
      2. group Id
        OG001
        lower Limit
        1.4
        upper Limit
        2.8
        value
        2.3
denoms
  1. counts
    1. group Id
      OG000
      value
      300
    2. group Id
      OG001
      value
      153
    units
    Participants
description
PFS is the time from randomization to first documented disease progression or death due to any cause per Response Evaluation Criteria in Solid Tumors Version 1.1 (RECIST 1.1) by Blinded Independent Central Review (BICR) based on the Kaplan-Meier method for censored data.
dispersion Type
95% Confidence Interval
groups
  1. description
    Participants received 200 mg pembrolizumab by IV infusion on Day 1 of each 3-week cycle for up to 35 cycles of treatment plus BSC.
    id
    OG000
    title
    Pembrolizumab + BSC
  2. description
    Participants received placebo by IV infusion on Day 1 of each 3-week cycle for up to 35 cycles of treatment plus BSC.
    id
    OG001
    title
    Placebo + BSC
param Type
MEDIAN
population Description
All randomized participants based on the treatment group to which they were randomized.
reporting Status
POSTED
time Frame
Up to approximately 4 years
title
Progression Free Survival (PFS) Per Response Evaluation Criteria in Solid Tumors Version 1.1 (RECIST 1.1)
type
SECONDARY
unit Of Measure
Months

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Preserved source evidence · Not medical advice