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NCT02760498 · OUTCOME

Duration of Response (DOR) by Independent Central Review

Study of REGN2810 in Patients With Advanced Cutaneous Squamous Cell Carcinoma · Source last updated 2025-05-28

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 65 months (treatment period + follow-up including survival follow-up)

What was measured

DOR was measured from the time measurement criteria were first met for CR/PR, whichever was recorded first, until the first date of recurrent or Progressive Disease (PD) or death due to any cause in participants with BOR of CR or PR. For participants with metastatic disease, RECIST v1.1 was used to determine BOR. For participants with unresectable locally advanced disease, clinical response criteria were used. RECIST v1.1 Criteria: -PD: At least a 20% increase in the sum of the diameters of target lesions with the sum demonstrating an absolute increase of at least 5 mm (0.5 cm), or the appearance of one or more new lesions and/or unequivocal progression of existing non-target lesions. Clinical Response Criteria: -PD: increase of ≥ 25% (WHO criteria) in the sum of the products of perpendicular longest dimensions of target lesion(s) and/or the appearance of new lesions.

Analysis population: The FAS included all enrolled participants. Here, 'Overall number of participants analyzed' signifies participants with confirmed CR or PR who were evaluable for this outcome measure. Only Groups 1, 2, 3, 4, and 6 were planned for this outcome measure.

Groups in this outcome

Group 1 (Participants With mCSCC): Cemiplimab 3 mg/kg IV Q2W

Participants received cemiplimab 3 milligrams (mg)/kilogram (kg) intravenously (IV) every 2 weeks (Q2W) during each 8-week treatment cycle, for up to 96 weeks (12 cycles).

Group 2 (Participants With laCSCC): Cemiplimab 3 mg/kg IV Q2W

Participants received cemiplimab 3 mg/kg IV Q2W during each 8-week treatment cycle, for up to 96 weeks (12 cycles).

Group 3 (Participants With mCSCC): Cemiplimab 350 mg IV Q3W

Participants received cemiplimab 350 mg IV every 3 weeks (Q3W) during each 9-week treatment cycle, for up to 54 weeks (6 cycles).

Group 4 (Participants With mCSCC and laCSCC): Cemiplimab 600 mg IV Q4W

Participants received cemiplimab 600 mg IV every 4 weeks (Q4W) during each 8-week treatment cycle, for up to 48 weeks (6 cycles).

Group 6 (Participants With mCSCC and laCSCC): Cemiplimab 350 mg IV Q3W

Participants received cemiplimab 350 mg IV Q3W during each 9-week treatment cycle, for up to 108 weeks (12 cycles).

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

Analysis denominator · Participants

GroupSource count
Group 1 (Participants With mCSCC): Cemiplimab 3 mg/kg IV Q2W30
Group 2 (Participants With laCSCC): Cemiplimab 3 mg/kg IV Q2W35
Group 3 (Participants With mCSCC): Cemiplimab 350 mg IV Q3W26
Group 4 (Participants With mCSCC and laCSCC): Cemiplimab 600 mg IV Q4W39
Group 6 (Participants With mCSCC and laCSCC): Cemiplimab 350 mg IV Q3W79

Reported measurements

Source class 1
Values in months · Interval/dispersion: 95% Confidence Interval
GroupValueSpreadLowerUpperComment
Group 1 (Participants With mCSCC): Cemiplimab 3 mg/kg IV Q2WNANot reported20.7NANot reached due to insufficient number of events
Group 2 (Participants With laCSCC): Cemiplimab 3 mg/kg IV Q2W41.9Not reported20.554.6Not reported
Group 3 (Participants With mCSCC): Cemiplimab 350 mg IV Q3W41.3Not reported40.846.3Not reported
Group 4 (Participants With mCSCC and laCSCC): Cemiplimab 600 mg IV Q4WNANot reported30.5NANot reached due to insufficient number of events
Group 6 (Participants With mCSCC and laCSCC): Cemiplimab 350 mg IV Q3W31.6Not reported29.5NANot reached due to insufficient number of events
Complete source fields
classes
  1. categories
    1. measurements
      1. comment
        Not reached due to insufficient number of events
        group Id
        OG000
        lower Limit
        20.7
        upper Limit
        NA
        value
        NA
      2. group Id
        OG001
        lower Limit
        20.5
        upper Limit
        54.6
        value
        41.9
      3. group Id
        OG002
        lower Limit
        40.8
        upper Limit
        46.3
        value
        41.3
      4. comment
        Not reached due to insufficient number of events
        group Id
        OG003
        lower Limit
        30.5
        upper Limit
        NA
        value
        NA
      5. comment
        Not reached due to insufficient number of events
        group Id
        OG004
        lower Limit
        29.5
        upper Limit
        NA
        value
        31.6
denoms
  1. counts
    1. group Id
      OG000
      value
      30
    2. group Id
      OG001
      value
      35
    3. group Id
      OG002
      value
      26
    4. group Id
      OG003
      value
      39
    5. group Id
      OG004
      value
      79
    units
    Participants
description
DOR was measured from the time measurement criteria were first met for CR/PR, whichever was recorded first, until the first date of recurrent or Progressive Disease (PD) or death due to any cause in participants with BOR of CR or PR. For participants with metastatic disease, RECIST v1.1 was used to determine BOR. For participants with unresectable locally advanced disease, clinical response criteria were used. RECIST v1.1 Criteria: -PD: At least a 20% increase in the sum of the diameters of target lesions with the sum demonstrating an absolute increase of at least 5 mm (0.5 cm), or the appearance of one or more new lesions and/or unequivocal progression of existing non-target lesions. Clinical Response Criteria: -PD: increase of ≥ 25% (WHO criteria) in the sum of the products of perpendicular longest dimensions of target lesion(s) and/or the appearance of new lesions.
dispersion Type
95% Confidence Interval
groups
  1. description
    Participants received cemiplimab 3 milligrams (mg)/kilogram (kg) intravenously (IV) every 2 weeks (Q2W) during each 8-week treatment cycle, for up to 96 weeks (12 cycles).
    id
    OG000
    title
    Group 1 (Participants With mCSCC): Cemiplimab 3 mg/kg IV Q2W
  2. description
    Participants received cemiplimab 3 mg/kg IV Q2W during each 8-week treatment cycle, for up to 96 weeks (12 cycles).
    id
    OG001
    title
    Group 2 (Participants With laCSCC): Cemiplimab 3 mg/kg IV Q2W
  3. description
    Participants received cemiplimab 350 mg IV every 3 weeks (Q3W) during each 9-week treatment cycle, for up to 54 weeks (6 cycles).
    id
    OG002
    title
    Group 3 (Participants With mCSCC): Cemiplimab 350 mg IV Q3W
  4. description
    Participants received cemiplimab 600 mg IV every 4 weeks (Q4W) during each 8-week treatment cycle, for up to 48 weeks (6 cycles).
    id
    OG003
    title
    Group 4 (Participants With mCSCC and laCSCC): Cemiplimab 600 mg IV Q4W
  5. description
    Participants received cemiplimab 350 mg IV Q3W during each 9-week treatment cycle, for up to 108 weeks (12 cycles).
    id
    OG004
    title
    Group 6 (Participants With mCSCC and laCSCC): Cemiplimab 350 mg IV Q3W
param Type
MEDIAN
population Description
The FAS included all enrolled participants. Here, 'Overall number of participants analyzed' signifies participants with confirmed CR or PR who were evaluable for this outcome measure. Only Groups 1, 2, 3, 4, and 6 were planned for this outcome measure.
reporting Status
POSTED
time Frame
Up to approximately 65 months (treatment period + follow-up including survival follow-up)
title
Duration of Response (DOR) by Independent Central Review
type
SECONDARY
unit Of Measure
months

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Preserved source evidence · Not medical advice