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NCT04914897 · OUTCOME

All Cohorts: Progression Free Survival (PFS)

A Study of SAR444245 Combined With Other Anticancer Therapies for the Treatment of Participants With Lung Cancer or Mesothelioma (Pegathor Lung 202) · Source last updated 2025-10-02

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

Measure
MEDIAN
Unit
months
Interval / dispersion
90% Confidence Interval
Time frame
From first dose of study treatment administration (Day 1) up to maximum exposure of study treatment; approximately 27 months (Cohorts A1 and A2), 14 months (Cohort B1), and 24 months (Cohort C1)

What was measured

The PFS was defined as the time from the date of first study treatment to the date of the first documentation of objective PD, or death due to any cause, whichever occurred first as per RECIST v 1.1 (NSCLS) and assessed by investigator as per mRECIST v1.1 (mesothelioma). PD was defined as at least a 20% increase in the sum of the diameters of target lesions, taking as reference the smallest sum on study (this included the baseline sum if that was the smallest on study), in addition to the relative increase of 20%, the sum must have also demonstrated an absolute increase of at least 5 mm (0.5 cm).

Analysis population: The efficacy population consisted of all participants from the exposed population with at least one evaluable post-baseline tumor assessment or who permanently discontinued study treatment.

Groups in this outcome

Cohort A1:NSCLC, PD-L1 TPS >=50%:Pegenzileukin 24 μg/kg + Pembrolizumab as 1L Therapy

Participants with previously untreated Stage IV NSCLC and PD-L1 TPS of \>=50% were included in this cohort. Participants received pegenzileukin 24 μg/kg along with pembrolizumab 200 mg via IV infusion over 30 minutes q3w on Day 1 of each cycle (each cycle is 21 days) (as 1L therapy), until PD, unacceptable AE or other full permanent discontinuation criteria was met or completion of Cycle 35.

Cohort A2:NSCLC, PD-L1 TPS 1%-49%:Pegenzileukin 24 μg/kg+Pembrolizumab as 1L Therapy

Participants with previously untreated Stage IV NSCLC and PD-L1 TPS of 1%-49% were included in this cohort. Participants received pegenzileukin 24 μg/kg along with pembrolizumab 200 mg via IV infusion over 30 minutes q3w on Day 1 of each cycle (each cycle is 21 days) (as 1L therapy), until PD, unacceptable AE or other full permanent discontinuation criteria was met or completion of Cycle 35.

Cohort B1: NSCLC:Pegenzileukin 24 μg/kg+Pembrolizumab as 2/3L Therapy

Participants with NSCLC for whom SOC was not in their best interest or where no SOC was established were included in this cohort. Participants received pegenzileukin 24 μg/kg along with pembrolizumab 200 mg via IV infusion over 30 minutes q3w on Day 1 of each cycle (each cycle is 21 days) (as 2/3L therapy), until PD, unacceptable AE or other full permanent discontinuation criteria was met or completion of Cycle 35.

Cohort C1:Mesothelioma:Pegenzileukin 24 μg /kg+Pembrolizumab as 2/3L Therapy

Participants with mesothelioma who had no SOC established and had experienced PD during or after at least one but no more than 2 prior regimens were included in this cohort. Participants received pegenzileukin 24 μg/kg along with pembrolizumab 200 mg via IV infusion over 30 minutes q3w on Day 1 of each cycle (each cycle is 21 days) (as 2/3L therapy), until PD, unacceptable AE or other full permanent discontinuation criteria was met or completion of Cycle 35.

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

Analysis denominator · Participants

GroupSource count
Cohort A1:NSCLC, PD-L1 TPS >=50%:Pegenzileukin 24 μg/kg + Pembrolizumab as 1L Therapy17
Cohort A2:NSCLC, PD-L1 TPS 1%-49%:Pegenzileukin 24 μg/kg+Pembrolizumab as 1L Therapy20
Cohort B1: NSCLC:Pegenzileukin 24 μg/kg+Pembrolizumab as 2/3L Therapy40
Cohort C1:Mesothelioma:Pegenzileukin 24 μg /kg+Pembrolizumab as 2/3L Therapy29

Reported measurements

Source class 1
Values in months · Interval/dispersion: 90% Confidence Interval
GroupValueSpreadLowerUpperComment
Cohort A1:NSCLC, PD-L1 TPS >=50%:Pegenzileukin 24 μg/kg + Pembrolizumab as 1L Therapy10.3Not reported4.2NANA indicates that the upper limit of 90% CI was not estimable due to insufficient number of participants with events.
Cohort A2:NSCLC, PD-L1 TPS 1%-49%:Pegenzileukin 24 μg/kg+Pembrolizumab as 1L Therapy3.9Not reported2.18.7Not reported
Cohort B1: NSCLC:Pegenzileukin 24 μg/kg+Pembrolizumab as 2/3L Therapy2.1Not reported1.94.1Not reported
Cohort C1:Mesothelioma:Pegenzileukin 24 μg /kg+Pembrolizumab as 2/3L Therapy2.3Not reported2.14.0Not reported
Complete source fields
classes
  1. categories
    1. measurements
      1. comment
        NA indicates that the upper limit of 90% CI was not estimable due to insufficient number of participants with events.
        group Id
        OG000
        lower Limit
        4.2
        upper Limit
        NA
        value
        10.3
      2. group Id
        OG001
        lower Limit
        2.1
        upper Limit
        8.7
        value
        3.9
      3. group Id
        OG002
        lower Limit
        1.9
        upper Limit
        4.1
        value
        2.1
      4. group Id
        OG003
        lower Limit
        2.1
        upper Limit
        4.0
        value
        2.3
denoms
  1. counts
    1. group Id
      OG000
      value
      17
    2. group Id
      OG001
      value
      20
    3. group Id
      OG002
      value
      40
    4. group Id
      OG003
      value
      29
    units
    Participants
description
The PFS was defined as the time from the date of first study treatment to the date of the first documentation of objective PD, or death due to any cause, whichever occurred first as per RECIST v 1.1 (NSCLS) and assessed by investigator as per mRECIST v1.1 (mesothelioma). PD was defined as at least a 20% increase in the sum of the diameters of target lesions, taking as reference the smallest sum on study (this included the baseline sum if that was the smallest on study), in addition to the relative increase of 20%, the sum must have also demonstrated an absolute increase of at least 5 mm (0.5 cm).
dispersion Type
90% Confidence Interval
groups
  1. description
    Participants with previously untreated Stage IV NSCLC and PD-L1 TPS of \>=50% were included in this cohort. Participants received pegenzileukin 24 μg/kg along with pembrolizumab 200 mg via IV infusion over 30 minutes q3w on Day 1 of each cycle (each cycle is 21 days) (as 1L therapy), until PD, unacceptable AE or other full permanent discontinuation criteria was met or completion of Cycle 35.
    id
    OG000
    title
    Cohort A1:NSCLC, PD-L1 TPS >=50%:Pegenzileukin 24 μg/kg + Pembrolizumab as 1L Therapy
  2. description
    Participants with previously untreated Stage IV NSCLC and PD-L1 TPS of 1%-49% were included in this cohort. Participants received pegenzileukin 24 μg/kg along with pembrolizumab 200 mg via IV infusion over 30 minutes q3w on Day 1 of each cycle (each cycle is 21 days) (as 1L therapy), until PD, unacceptable AE or other full permanent discontinuation criteria was met or completion of Cycle 35.
    id
    OG001
    title
    Cohort A2:NSCLC, PD-L1 TPS 1%-49%:Pegenzileukin 24 μg/kg+Pembrolizumab as 1L Therapy
  3. description
    Participants with NSCLC for whom SOC was not in their best interest or where no SOC was established were included in this cohort. Participants received pegenzileukin 24 μg/kg along with pembrolizumab 200 mg via IV infusion over 30 minutes q3w on Day 1 of each cycle (each cycle is 21 days) (as 2/3L therapy), until PD, unacceptable AE or other full permanent discontinuation criteria was met or completion of Cycle 35.
    id
    OG002
    title
    Cohort B1: NSCLC:Pegenzileukin 24 μg/kg+Pembrolizumab as 2/3L Therapy
  4. description
    Participants with mesothelioma who had no SOC established and had experienced PD during or after at least one but no more than 2 prior regimens were included in this cohort. Participants received pegenzileukin 24 μg/kg along with pembrolizumab 200 mg via IV infusion over 30 minutes q3w on Day 1 of each cycle (each cycle is 21 days) (as 2/3L therapy), until PD, unacceptable AE or other full permanent discontinuation criteria was met or completion of Cycle 35.
    id
    OG003
    title
    Cohort C1:Mesothelioma:Pegenzileukin 24 μg /kg+Pembrolizumab as 2/3L Therapy
param Type
MEDIAN
population Description
The efficacy population consisted of all participants from the exposed population with at least one evaluable post-baseline tumor assessment or who permanently discontinued study treatment.
reporting Status
POSTED
time Frame
From first dose of study treatment administration (Day 1) up to maximum exposure of study treatment; approximately 27 months (Cohorts A1 and A2), 14 months (Cohort B1), and 24 months (Cohort C1)
title
All Cohorts: Progression Free Survival (PFS)
type
SECONDARY
unit Of Measure
months

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