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NCT02601313 · OUTCOME

Percentage of Participants With Best Objective Response (BOR) as Per Investigator Assessment Determined by Lugano Classification in Cohort 2

Study of Brexucabtagene Autoleucel (KTE-X19) in Participants With Relapsed/Refractory Mantle Cell Lymphoma (Cohort 1 and Cohort 2) · Source last updated 2026-03-18

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

Measure
NUMBER
Unit
percentage of participants
Interval / dispersion
95% Confidence Interval
Time frame
Up to 7.8 years

What was measured

BOR consists of CR (CMR/CRR), PR (PMR/PRR), SD, PD and not done. CMR/CRR and PMR/PRR are defined in Outcome Measure (OM) 1. PD is defined in OM 3. SD/no metabolic response (NMR): a score 4 (uptake moderately greater than \[\>\] liver) or 5 (uptake markedly \>liver and/ or new lesions) with no significant change in FDG uptake compared to baseline (screening), at an interim time point or end of treatment; no new sites of disease should be observed. Not done: no assessment at the time of analysis. Percentages were rounded off. Only categories with data are reported.

Analysis population: Participants from the mITT Analysis Set in Cohort 2 were analyzed.

Groups in this outcome

Cohort 2: 0.5 x 10^6 Brexucabtagene Autoleucel

Participants with relapsed/refractory MCL received conditioning chemotherapy consisting of fludarabine 30 mg/m\^2/day and cyclophosphamide 500 mg/m\^2/day IV infusion for 3 days followed by a single infusion of brexucabtagene autoleucel at a targeted dose of 0.5 x 10\^6 anti-CD19 CAR T cells/kg, with a maximum dose of 0.5 x 10\^8 anti-CD19 CAR T cells for participants ≥ 100 kg on Day 0.

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 2: 0.5 x 10^6 Brexucabtagene Autoleucel14

Reported measurements

CR
Values in percentage of participants · Interval/dispersion: 95% Confidence Interval
GroupValueSpreadLowerUpperComment
Cohort 2: 0.5 x 10^6 Brexucabtagene Autoleucel64.3Not reported35.187.2Not reported
PR
Values in percentage of participants · Interval/dispersion: 95% Confidence Interval
GroupValueSpreadLowerUpperComment
Cohort 2: 0.5 x 10^6 Brexucabtagene Autoleucel21.4Not reported4.750.8Not reported
Stable disease
Values in percentage of participants · Interval/dispersion: 95% Confidence Interval
GroupValueSpreadLowerUpperComment
Cohort 2: 0.5 x 10^6 Brexucabtagene Autoleucel7.1Not reported0.233.9Not reported
Not done
Values in percentage of participants · Interval/dispersion: 95% Confidence Interval
GroupValueSpreadLowerUpperComment
Cohort 2: 0.5 x 10^6 Brexucabtagene Autoleucel7.1Not reported0.233.9Not reported
Complete source fields
classes
  1. categories
    1. measurements
      1. group Id
        OG000
        lower Limit
        35.1
        upper Limit
        87.2
        value
        64.3
    title
    CR
  2. categories
    1. measurements
      1. group Id
        OG000
        lower Limit
        4.7
        upper Limit
        50.8
        value
        21.4
    title
    PR
  3. categories
    1. measurements
      1. group Id
        OG000
        lower Limit
        0.2
        upper Limit
        33.9
        value
        7.1
    title
    Stable disease
  4. categories
    1. measurements
      1. group Id
        OG000
        lower Limit
        0.2
        upper Limit
        33.9
        value
        7.1
    title
    Not done
denoms
  1. counts
    1. group Id
      OG000
      value
      14
    units
    Participants
description
BOR consists of CR (CMR/CRR), PR (PMR/PRR), SD, PD and not done. CMR/CRR and PMR/PRR are defined in Outcome Measure (OM) 1. PD is defined in OM 3. SD/no metabolic response (NMR): a score 4 (uptake moderately greater than \[\>\] liver) or 5 (uptake markedly \>liver and/ or new lesions) with no significant change in FDG uptake compared to baseline (screening), at an interim time point or end of treatment; no new sites of disease should be observed. Not done: no assessment at the time of analysis. Percentages were rounded off. Only categories with data are reported.
dispersion Type
95% Confidence Interval
groups
  1. description
    Participants with relapsed/refractory MCL received conditioning chemotherapy consisting of fludarabine 30 mg/m\^2/day and cyclophosphamide 500 mg/m\^2/day IV infusion for 3 days followed by a single infusion of brexucabtagene autoleucel at a targeted dose of 0.5 x 10\^6 anti-CD19 CAR T cells/kg, with a maximum dose of 0.5 x 10\^8 anti-CD19 CAR T cells for participants ≥ 100 kg on Day 0.
    id
    OG000
    title
    Cohort 2: 0.5 x 10^6 Brexucabtagene Autoleucel
param Type
NUMBER
population Description
Participants from the mITT Analysis Set in Cohort 2 were analyzed.
reporting Status
POSTED
time Frame
Up to 7.8 years
title
Percentage of Participants With Best Objective Response (BOR) as Per Investigator Assessment Determined by Lugano Classification in Cohort 2
type
SECONDARY
unit Of Measure
percentage of participants

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Preserved source evidence · Not medical advice