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NCT04895735 · OUTCOME

Clinical Benefit Rate (CBR)

MC200708 Pemetrexed and Pembrolizumab for the Treatment of Recurrent and/or Metastatic Salivary Gland Cancer · Source last updated 2026-06-04

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

Measure
NUMBER
Unit
proportion of patients
Interval / dispersion
95% Confidence Interval
Time frame
24 weeks

What was measured

CBR will be defined as the rate of patients with stable disease, partial response or complete response as their best response during treatment.

Groups in this outcome

Cohort A

Patients receive pembrolizumab IV over 30 minutes and pemetrexed disodium IV over 10 minutes on day 1. Treatment with pembrolizumab repeats every 21 days for up to 35 cycles (2 years) in the absence of disease progression or unacceptable toxicity. Cycles of pemetrexed disodium repeat every 21 days in the absence of disease progression or unacceptable toxicity. Patients who had stable disease, partial response, or complete response after completion of 35 cycles of pembrolizumab, may continue pembrolizumab for an additional 17 cycles (1 year) in the absence of disease progression or unacceptable toxicity. Patients additionally undergo blood sample collection, CT, PET/CT or MRI and may also undergo PSMA PET on study.

Cohort A1

Patients receive pembrolizumab IV over 30 minutes and pemetrexed disodium IV over 10 minutes on day 1. Treatment with pembrolizumab repeats every 21 days for up to 35 cycles (2 years) in the absence of disease progression or unacceptable toxicity. Cycles of pemetrexed disodium repeat every 21 days in the absence of disease progression or unacceptable toxicity. Patients who had stable disease, partial response, or complete response after completion of 35 cycles of pembrolizumab, may continue pembrolizumab for an additional 17 cycles (1 year) in the absence of disease progression or unacceptable toxicity. Patients additionally undergo blood sample collection, CT, PET/CT or MRI and may also undergo PSMA PET on study.

Cohort B (Non-adenoid Cystic Carcinoma)

Patients receive pembrolizumab IV over 30 minutes and pemetrexed disodium IV over 10 minutes on day 1. Treatment with pembrolizumab repeats every 21 days for up to 35 cycles (2 years) in the absence of disease progression or unacceptable toxicity. Cycles of pemetrexed disodium repeat every 21 days in the absence of disease progression or unacceptable toxicity. Patients who had stable disease, partial response, or complete response after completion of 35 cycles of pembrolizumab, may continue pembrolizumab for an additional 17 cycles (1 year) in the absence of disease progression or unacceptable toxicity. Patients additionally undergo blood sample collection, CT, PET/CT or MRI and may also undergo PSMA PET on study.

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 A11
Cohort A19
Cohort B (Non-adenoid Cystic Carcinoma)24

Reported measurements

Source class 1
Values in proportion of patients · Interval/dispersion: 95% Confidence Interval
GroupValueSpreadLowerUpperComment
Cohort A0.727Not reported0.3900.940Not reported
Cohort A11.0Not reported0.6641.0Not reported
Cohort B (Non-adenoid Cystic Carcinoma)0.583Not reported0.3660.779Not reported
Complete source fields
classes
  1. categories
    1. measurements
      1. group Id
        OG000
        lower Limit
        0.390
        upper Limit
        0.940
        value
        0.727
      2. group Id
        OG001
        lower Limit
        0.664
        upper Limit
        1.0
        value
        1.0
      3. group Id
        OG002
        lower Limit
        0.366
        upper Limit
        0.779
        value
        0.583
denoms
  1. counts
    1. group Id
      OG000
      value
      11
    2. group Id
      OG001
      value
      9
    3. group Id
      OG002
      value
      24
    units
    Participants
description
CBR will be defined as the rate of patients with stable disease, partial response or complete response as their best response during treatment.
dispersion Type
95% Confidence Interval
groups
  1. description
    Patients receive pembrolizumab IV over 30 minutes and pemetrexed disodium IV over 10 minutes on day 1. Treatment with pembrolizumab repeats every 21 days for up to 35 cycles (2 years) in the absence of disease progression or unacceptable toxicity. Cycles of pemetrexed disodium repeat every 21 days in the absence of disease progression or unacceptable toxicity. Patients who had stable disease, partial response, or complete response after completion of 35 cycles of pembrolizumab, may continue pembrolizumab for an additional 17 cycles (1 year) in the absence of disease progression or unacceptable toxicity. Patients additionally undergo blood sample collection, CT, PET/CT or MRI and may also undergo PSMA PET on study.
    id
    OG000
    title
    Cohort A
  2. description
    Patients receive pembrolizumab IV over 30 minutes and pemetrexed disodium IV over 10 minutes on day 1. Treatment with pembrolizumab repeats every 21 days for up to 35 cycles (2 years) in the absence of disease progression or unacceptable toxicity. Cycles of pemetrexed disodium repeat every 21 days in the absence of disease progression or unacceptable toxicity. Patients who had stable disease, partial response, or complete response after completion of 35 cycles of pembrolizumab, may continue pembrolizumab for an additional 17 cycles (1 year) in the absence of disease progression or unacceptable toxicity. Patients additionally undergo blood sample collection, CT, PET/CT or MRI and may also undergo PSMA PET on study.
    id
    OG001
    title
    Cohort A1
  3. description
    Patients receive pembrolizumab IV over 30 minutes and pemetrexed disodium IV over 10 minutes on day 1. Treatment with pembrolizumab repeats every 21 days for up to 35 cycles (2 years) in the absence of disease progression or unacceptable toxicity. Cycles of pemetrexed disodium repeat every 21 days in the absence of disease progression or unacceptable toxicity. Patients who had stable disease, partial response, or complete response after completion of 35 cycles of pembrolizumab, may continue pembrolizumab for an additional 17 cycles (1 year) in the absence of disease progression or unacceptable toxicity. Patients additionally undergo blood sample collection, CT, PET/CT or MRI and may also undergo PSMA PET on study.
    id
    OG002
    title
    Cohort B (Non-adenoid Cystic Carcinoma)
param Type
NUMBER
reporting Status
POSTED
time Frame
24 weeks
title
Clinical Benefit Rate (CBR)
type
PRIMARY
unit Of Measure
proportion of patients

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Preserved source evidence · Not medical advice