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NCT02601313 · OUTCOME

Peak Serum Levels of Ferritin, Interleukin-2 Receptor Alpha (IL-2Rα), Intercellular Adhesion Molecule-1 (ICAM-1), Perforin, Vascular Cell Adhesion Molecule-1 (VCAM-1) in Blood

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
MEDIAN
Unit
ng/mL
Interval / dispersion
Full Range
Time frame
Baseline up to Week 4

What was measured

Peak was defined as the maximum post-baseline level of the cytokine.

Analysis population: Participants from the Safety Analysis Set were analyzed.

Groups in this outcome

Cohort 1: 2 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 2 x 10\^6 anti-CD19 CAR T cells/kg, with a maximum dose of 2 x 10\^8 anti-CD19 CAR T cells for participants ≥ 100 kg on Day 0.

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 1: 2 x 10^6 Brexucabtagene Autoleucel68
Cohort 2: 0.5 x 10^6 Brexucabtagene Autoleucel14

Reported measurements

Ferritin
Values in ng/mL · Interval/dispersion: Full Range
GroupValueSpreadLowerUpperComment
Cohort 1: 2 x 10^6 Brexucabtagene Autoleucel1302.41Not reported0.8025000Not reported
Cohort 2: 0.5 x 10^6 Brexucabtagene Autoleucel1126.52Not reported557.976177.17Not reported
IL-2 R alpha
Values in ng/mL · Interval/dispersion: Full Range
GroupValueSpreadLowerUpperComment
Cohort 1: 2 x 10^6 Brexucabtagene Autoleucel18.72Not reported2.20100.00Not reported
Cohort 2: 0.5 x 10^6 Brexucabtagene Autoleucel23.95Not reported6.2390.34Not reported
ICAM-1
Values in ng/mL · Interval/dispersion: Full Range
GroupValueSpreadLowerUpperComment
Cohort 1: 2 x 10^6 Brexucabtagene Autoleucel1252.07Not reported230.1260593.2467Not reported
Cohort 2: 0.5 x 10^6 Brexucabtagene Autoleucel1033.85Not reported218.961678.80Not reported
Perforin
Values in ng/mL · Interval/dispersion: Full Range
GroupValueSpreadLowerUpperComment
Cohort 1: 2 x 10^6 Brexucabtagene Autoleucel18.71Not reported0.69100.00Not reported
Cohort 2: 0.5 x 10^6 Brexucabtagene Autoleucel13.84Not reported5.8636.47Not reported
VCAM-1
Values in ng/mL · Interval/dispersion: Full Range
GroupValueSpreadLowerUpperComment
Cohort 1: 2 x 10^6 Brexucabtagene Autoleucel1843.57Not reported503.80156061.4308Not reported
Cohort 2: 0.5 x 10^6 Brexucabtagene Autoleucel1829.69Not reported416.853239.41Not reported
Complete source fields
classes
  1. categories
    1. measurements
      1. group Id
        OG000
        lower Limit
        0.80
        upper Limit
        25000
        value
        1302.41
      2. group Id
        OG001
        lower Limit
        557.97
        upper Limit
        6177.17
        value
        1126.52
    title
    Ferritin
  2. categories
    1. measurements
      1. group Id
        OG000
        lower Limit
        2.20
        upper Limit
        100.00
        value
        18.72
      2. group Id
        OG001
        lower Limit
        6.23
        upper Limit
        90.34
        value
        23.95
    title
    IL-2 R alpha
  3. categories
    1. measurements
      1. group Id
        OG000
        lower Limit
        230.12
        upper Limit
        60593.2467
        value
        1252.07
      2. group Id
        OG001
        lower Limit
        218.96
        upper Limit
        1678.80
        value
        1033.85
    title
    ICAM-1
  4. categories
    1. measurements
      1. group Id
        OG000
        lower Limit
        0.69
        upper Limit
        100.00
        value
        18.71
      2. group Id
        OG001
        lower Limit
        5.86
        upper Limit
        36.47
        value
        13.84
    title
    Perforin
  5. categories
    1. measurements
      1. group Id
        OG000
        lower Limit
        503.80
        upper Limit
        156061.4308
        value
        1843.57
      2. group Id
        OG001
        lower Limit
        416.85
        upper Limit
        3239.41
        value
        1829.69
    title
    VCAM-1
denoms
  1. counts
    1. group Id
      OG000
      value
      68
    2. group Id
      OG001
      value
      14
    units
    Participants
description
Peak was defined as the maximum post-baseline level of the cytokine.
dispersion Type
Full Range
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 2 x 10\^6 anti-CD19 CAR T cells/kg, with a maximum dose of 2 x 10\^8 anti-CD19 CAR T cells for participants ≥ 100 kg on Day 0.
    id
    OG000
    title
    Cohort 1: 2 x 10^6 Brexucabtagene Autoleucel
  2. 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
    OG001
    title
    Cohort 2: 0.5 x 10^6 Brexucabtagene Autoleucel
param Type
MEDIAN
population Description
Participants from the Safety Analysis Set were analyzed.
reporting Status
POSTED
time Frame
Baseline up to Week 4
title
Peak Serum Levels of Ferritin, Interleukin-2 Receptor Alpha (IL-2Rα), Intercellular Adhesion Molecule-1 (ICAM-1), Perforin, Vascular Cell Adhesion Molecule-1 (VCAM-1) in Blood
type
SECONDARY
unit Of Measure
ng/mL

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Preserved source evidence · Not medical advice