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NCT03409614 · OUTCOME

Part 1: Estimated Survival Probability

Combinations of Cemiplimab (Anti-PD-1 Antibody) and Platinum-based Doublet Chemotherapy in Patients With Lung Cancer · Source last updated 2026-05-18

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

Measure
NUMBER
Unit
Estimated percentage of participants
Interval / dispersion
95% Confidence Interval
Time frame
12 months, 18 months, 24 months

What was measured

OS rate at a landmark (12, 18, and 24 months) was defined as the Kaplan-Meier (K-M) estimated probability of participants who survived due to any cause at the landmark after randomization.

Analysis population: Part 1 participants only

Groups in this outcome

Part 1: Cemiplimab + Chemotherapy

Participants received cemiplimab plus platinum-based doublet chemotherapy

Part 1: Cemiplimab+AbbrevChemo+Ipilimumab

Participants received cemiplimab plus platinum-based doublet chemotherapy and ipilimumab

Part 1: Chemotherapy

Participants received platinum-based doublet chemotherapy

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

Analysis denominator · Participants

GroupSource count
Part 1: Cemiplimab + Chemotherapy108
Part 1: Cemiplimab+AbbrevChemo+Ipilimumab109
Part 1: Chemotherapy106

Reported measurements

12 months
Values in Estimated percentage of participants · Interval/dispersion: 95% Confidence Interval
GroupValueSpreadLowerUpperComment
Part 1: Cemiplimab + Chemotherapy59.4Not reported48.968.4Not reported
Part 1: Cemiplimab+AbbrevChemo+Ipilimumab68.5Not reported58.476.6Not reported
Part 1: Chemotherapy54.0Not reported43.663.3Not reported
18 months
Values in Estimated percentage of participants · Interval/dispersion: 95% Confidence Interval
GroupValueSpreadLowerUpperComment
Part 1: Cemiplimab + Chemotherapy47.5Not reported37.257.1Not reported
Part 1: Cemiplimab+AbbrevChemo+Ipilimumab51.9Not reported41.761.2Not reported
Part 1: Chemotherapy39.7Not reported29.849.4Not reported
24 months
Values in Estimated percentage of participants · Interval/dispersion: 95% Confidence Interval
GroupValueSpreadLowerUpperComment
Part 1: Cemiplimab + Chemotherapy41.0Not reported31.150.7Not reported
Part 1: Cemiplimab+AbbrevChemo+Ipilimumab42.3Not reported32.451.9Not reported
Part 1: Chemotherapy26.5Not reported18.035.7Not reported
Complete source fields
classes
  1. categories
    1. measurements
      1. group Id
        OG000
        lower Limit
        48.9
        upper Limit
        68.4
        value
        59.4
      2. group Id
        OG001
        lower Limit
        58.4
        upper Limit
        76.6
        value
        68.5
      3. group Id
        OG002
        lower Limit
        43.6
        upper Limit
        63.3
        value
        54.0
    title
    12 months
  2. categories
    1. measurements
      1. group Id
        OG000
        lower Limit
        37.2
        upper Limit
        57.1
        value
        47.5
      2. group Id
        OG001
        lower Limit
        41.7
        upper Limit
        61.2
        value
        51.9
      3. group Id
        OG002
        lower Limit
        29.8
        upper Limit
        49.4
        value
        39.7
    title
    18 months
  3. categories
    1. measurements
      1. group Id
        OG000
        lower Limit
        31.1
        upper Limit
        50.7
        value
        41.0
      2. group Id
        OG001
        lower Limit
        32.4
        upper Limit
        51.9
        value
        42.3
      3. group Id
        OG002
        lower Limit
        18.0
        upper Limit
        35.7
        value
        26.5
    title
    24 months
denoms
  1. counts
    1. group Id
      OG000
      value
      108
    2. group Id
      OG001
      value
      109
    3. group Id
      OG002
      value
      106
    units
    Participants
description
OS rate at a landmark (12, 18, and 24 months) was defined as the Kaplan-Meier (K-M) estimated probability of participants who survived due to any cause at the landmark after randomization.
dispersion Type
95% Confidence Interval
groups
  1. description
    Participants received cemiplimab plus platinum-based doublet chemotherapy
    id
    OG000
    title
    Part 1: Cemiplimab + Chemotherapy
  2. description
    Participants received cemiplimab plus platinum-based doublet chemotherapy and ipilimumab
    id
    OG001
    title
    Part 1: Cemiplimab+AbbrevChemo+Ipilimumab
  3. description
    Participants received platinum-based doublet chemotherapy
    id
    OG002
    title
    Part 1: Chemotherapy
param Type
NUMBER
population Description
Part 1 participants only
reporting Status
POSTED
time Frame
12 months, 18 months, 24 months
title
Part 1: Estimated Survival Probability
type
SECONDARY
unit Of Measure
Estimated percentage of participants

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

Preserved source evidence · Not medical advice