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NCT01953692 · OUTCOME

Duration of Response (DOR) in the Cohort 4 Non-Hodgkin Lymphoma (NHL) Individual Sub-Cohorts (Cohorts 4A, 4B, 4C, and 4D)

A Trial of Pembrolizumab (MK-3475) in Participants With Blood Cancers (MK-3475-013/KEYNOTE-013) · Source last updated 2021-08-04

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 78.5 months

What was measured

DOR was evaluated for each of the Cohort 4 sub-cohorts: 4A (primary mediastinal B-cell lymphoma), 4B (grey zone, splenic marginal zone, and mantle cell lymphomas), 4C (follicular lymphoma), and 4D (diffuse large B-Cell lymphoma). For participants who demonstrated a confirmed Complete Response (CR) or partial response (PR), DOR was defined as the time from CR or PR to documented disease progression or death. CR and PR were assessed according to the revised response criteria for malignant lymphoma per Cheson et al. 2007. CR was demonstrated by disappearance of all evidence of disease in the bone marrow, spleen, liver, and lymph nodes. PR was \>50% decrease in the sum of product diameters (SPD) for ≤6 target masses for lymph nodes and \>50% decrease in SPD for a single nodule in greatest transverse diameter for spleen and liver, and no size increase in the lymph nodes, spleen, or liver. DOR as assessed by the investigator is presented.

Analysis population: All participants in Cohorts 4A, 4B, 4C, and 4D with a baseline efficacy evaluation and at least 1 post-baseline efficacy evaluation and who demonstrated a PR or CR.

Groups in this outcome

Cohort 4A: R/R Primary Mediastinal B-cell Lymphoma (PMBCL)

Participants received pembrolizumab 200 mg by IV infusion on Day 1 of each 21-day cycle OR 10 mg/kg by IV infusion on Day 1 of each 14-day cycle.

Cohort 4B: Other Non-Hodgkin Lymphoma: Grey Zone, Splenic Marginal Zone, and Mantle Cell Lymphomas

Participants received pembrolizumab 10 mg/kg by IV infusion on Day 1 of each 14-day cycle.

Cohort 4C: R/R Follicular Lymphoma (FL)

Participants received pembrolizumab 200 mg by IV infusion on Day 1 of each 21-day cycle.

Cohort 4D: R/R Diffuse Large B-Cell Lymphoma (DLBCL)

Participants received pembrolizumab 200 mg by IV infusion on Day 1 of each 21-day cycle.

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 4A: R/R Primary Mediastinal B-cell Lymphoma (PMBCL)10
Cohort 4B: Other Non-Hodgkin Lymphoma: Grey Zone, Splenic Marginal Zone, and Mantle Cell Lymphomas2
Cohort 4C: R/R Follicular Lymphoma (FL)2
Cohort 4D: R/R Diffuse Large B-Cell Lymphoma (DLBCL)5

Reported measurements

Source class 1
Values in Months · Interval/dispersion: 95% Confidence Interval
GroupValueSpreadLowerUpperComment
Cohort 4A: R/R Primary Mediastinal B-cell Lymphoma (PMBCL)NANot reported6.9NANA=Median DOR and upper limit not reached at time of data cut-off due to insufficient number of responding participants with relapse.
Cohort 4B: Other Non-Hodgkin Lymphoma: Grey Zone, Splenic Marginal Zone, and Mantle Cell LymphomasNANot reported1.7NANA=Median DOR and upper limit not reached at time of data cut-off due to insufficient number of responding participants with relapse.
Cohort 4C: R/R Follicular Lymphoma (FL)NANot reportedNANANA=Median DOR and upper and lower limits not reached at time of data cut-off due to insufficient number of responding participants with relapse.
Cohort 4D: R/R Diffuse Large B-Cell Lymphoma (DLBCL)13.6Not reported2.6NANA=DOR upper limit not reached at time of data cut-off due to insufficient number of responding participants with relapse.
Complete source fields
classes
  1. categories
    1. measurements
      1. comment
        NA=Median DOR and upper limit not reached at time of data cut-off due to insufficient number of responding participants with relapse.
        group Id
        OG000
        lower Limit
        6.9
        upper Limit
        NA
        value
        NA
      2. comment
        NA=Median DOR and upper limit not reached at time of data cut-off due to insufficient number of responding participants with relapse.
        group Id
        OG001
        lower Limit
        1.7
        upper Limit
        NA
        value
        NA
      3. comment
        NA=Median DOR and upper and lower limits not reached at time of data cut-off due to insufficient number of responding participants with relapse.
        group Id
        OG002
        lower Limit
        NA
        upper Limit
        NA
        value
        NA
      4. comment
        NA=DOR upper limit not reached at time of data cut-off due to insufficient number of responding participants with relapse.
        group Id
        OG003
        lower Limit
        2.6
        upper Limit
        NA
        value
        13.6
denoms
  1. counts
    1. group Id
      OG000
      value
      10
    2. group Id
      OG001
      value
      2
    3. group Id
      OG002
      value
      2
    4. group Id
      OG003
      value
      5
    units
    Participants
description
DOR was evaluated for each of the Cohort 4 sub-cohorts: 4A (primary mediastinal B-cell lymphoma), 4B (grey zone, splenic marginal zone, and mantle cell lymphomas), 4C (follicular lymphoma), and 4D (diffuse large B-Cell lymphoma). For participants who demonstrated a confirmed Complete Response (CR) or partial response (PR), DOR was defined as the time from CR or PR to documented disease progression or death. CR and PR were assessed according to the revised response criteria for malignant lymphoma per Cheson et al. 2007. CR was demonstrated by disappearance of all evidence of disease in the bone marrow, spleen, liver, and lymph nodes. PR was \>50% decrease in the sum of product diameters (SPD) for ≤6 target masses for lymph nodes and \>50% decrease in SPD for a single nodule in greatest transverse diameter for spleen and liver, and no size increase in the lymph nodes, spleen, or liver. DOR as assessed by the investigator is presented.
dispersion Type
95% Confidence Interval
groups
  1. description
    Participants received pembrolizumab 200 mg by IV infusion on Day 1 of each 21-day cycle OR 10 mg/kg by IV infusion on Day 1 of each 14-day cycle.
    id
    OG000
    title
    Cohort 4A: R/R Primary Mediastinal B-cell Lymphoma (PMBCL)
  2. description
    Participants received pembrolizumab 10 mg/kg by IV infusion on Day 1 of each 14-day cycle.
    id
    OG001
    title
    Cohort 4B: Other Non-Hodgkin Lymphoma: Grey Zone, Splenic Marginal Zone, and Mantle Cell Lymphomas
  3. description
    Participants received pembrolizumab 200 mg by IV infusion on Day 1 of each 21-day cycle.
    id
    OG002
    title
    Cohort 4C: R/R Follicular Lymphoma (FL)
  4. description
    Participants received pembrolizumab 200 mg by IV infusion on Day 1 of each 21-day cycle.
    id
    OG003
    title
    Cohort 4D: R/R Diffuse Large B-Cell Lymphoma (DLBCL)
param Type
MEDIAN
population Description
All participants in Cohorts 4A, 4B, 4C, and 4D with a baseline efficacy evaluation and at least 1 post-baseline efficacy evaluation and who demonstrated a PR or CR.
reporting Status
POSTED
time Frame
Up to approximately 78.5 months
title
Duration of Response (DOR) in the Cohort 4 Non-Hodgkin Lymphoma (NHL) Individual Sub-Cohorts (Cohorts 4A, 4B, 4C, and 4D)
type
SECONDARY
unit Of Measure
Months

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Preserved source evidence · Not medical advice