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NCT04914897 · OUTCOME

All Cohorts: Time to Response (TTR)

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
MEAN
Unit
months
Interval / dispersion
Standard Deviation
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

TTR was defined as the time from the date of first study treatment administration to the first tumor assessment at which the overall response was recorded as PR or CR that was subsequently confirmed as per RECIST v 1.1 (NSCLC) and assessed by the investigator as per mRECIST v1.1 (mesothelioma). CR was defined as the disappearance of all target lesions, any pathological lymph nodes (whether target or non-target) with reduction in short axis to \<10 mm (\<1 cm). PR was defined as at least a 30% decrease in the sum of the diameters of target lesions, taking as reference the baseline sum diameters.

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. Only participants with confirmed CR or PR were analyzed.

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 Therapy7
Cohort A2:NSCLC, PD-L1 TPS 1%-49%:Pegenzileukin 24 μg/kg+Pembrolizumab as 1L Therapy3
Cohort B1: NSCLC:Pegenzileukin 24 μg/kg+Pembrolizumab as 2/3L Therapy1
Cohort C1:Mesothelioma:Pegenzileukin 24 μg /kg+Pembrolizumab as 2/3L Therapy1

Reported measurements

Source class 1
Values in months · Interval/dispersion: Standard Deviation
GroupValueSpreadLowerUpperComment
Cohort A1:NSCLC, PD-L1 TPS >=50%:Pegenzileukin 24 μg/kg + Pembrolizumab as 1L Therapy2.30.8Not reportedNot reportedNot reported
Cohort A2:NSCLC, PD-L1 TPS 1%-49%:Pegenzileukin 24 μg/kg+Pembrolizumab as 1L Therapy3.41.4Not reportedNot reportedNot reported
Cohort B1: NSCLC:Pegenzileukin 24 μg/kg+Pembrolizumab as 2/3L Therapy2.2NANot reportedNot reportedNA indicates that the standard deviation (SD) was not estimable for 1 participant.
Cohort C1:Mesothelioma:Pegenzileukin 24 μg /kg+Pembrolizumab as 2/3L Therapy4.1NANot reportedNot reportedNA indicates that the SD was not estimable for 1 participant.
Complete source fields
classes
  1. categories
    1. measurements
      1. group Id
        OG000
        spread
        0.8
        value
        2.3
      2. group Id
        OG001
        spread
        1.4
        value
        3.4
      3. comment
        NA indicates that the standard deviation (SD) was not estimable for 1 participant.
        group Id
        OG002
        spread
        NA
        value
        2.2
      4. comment
        NA indicates that the SD was not estimable for 1 participant.
        group Id
        OG003
        spread
        NA
        value
        4.1
denoms
  1. counts
    1. group Id
      OG000
      value
      7
    2. group Id
      OG001
      value
      3
    3. group Id
      OG002
      value
      1
    4. group Id
      OG003
      value
      1
    units
    Participants
description
TTR was defined as the time from the date of first study treatment administration to the first tumor assessment at which the overall response was recorded as PR or CR that was subsequently confirmed as per RECIST v 1.1 (NSCLC) and assessed by the investigator as per mRECIST v1.1 (mesothelioma). CR was defined as the disappearance of all target lesions, any pathological lymph nodes (whether target or non-target) with reduction in short axis to \<10 mm (\<1 cm). PR was defined as at least a 30% decrease in the sum of the diameters of target lesions, taking as reference the baseline sum diameters.
dispersion Type
Standard Deviation
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
MEAN
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. Only participants with confirmed CR or PR were analyzed.
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: Time to Response (TTR)
type
SECONDARY
unit Of Measure
months

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Preserved source evidence · Not medical advice