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NCT05537766 · OUTCOME

Substudy D: ORR Determined by Central Assessment Per the Response Criteria Described by Grever and Colleagues

Study of Brexucabtagene Autoleucel in Adults With Rare B-cell Malignancies · Source last updated 2026-03-10

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

Measure
Not reported
Unit
Not reported
Interval / dispersion
Not reported
Time frame
Up to 2 years

What was measured

ORR was defined as the percentage of participants who achieved a best response of either CR or PR per Grever and colleagues. CR: Near normalization of peripheral blood counts: hemoglobin \>11 g/dL (without transfusion); platelets \>100 000/μL; absolute neutrophil count \>1500/μL. Regression of splenomegaly on physical examination. Absence of morphologic evidence of HCL on both the peripheral blood smear and the bone marrow examination. PR: PR required near normalization of the peripheral blood count (as in CR) with a minimum of 50% improvement in organomegaly and bone marrow biopsy infiltration with HCL.

Analysis population: Data cannot be reported for this outcome measure because substudy D was terminated before the central committee could be formed hence central assessment was not performed. There are no plans to analyze these data in the future.

Groups in this outcome

Substudy D (Relapsed/Refractory Hairy Cell Leukemia): Brexucabtagene Autoleucel

Participants with Relapsed/Refractory hairy cell leukemia received the following treatment during the study: Lymphodepletion chemotherapy regimen of fludarabine 30 mg/m\^2/day IV and cyclophosphamide 500 mg/m\^2/day IV for 3 days (Day -5 to Day -3). A single IV infusion of brexucabtagene autoleucel at target dose of 2 × 10\^6 anti-CD19 CAR T cells/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
Substudy D (Relapsed/Refractory Hairy Cell Leukemia): Brexucabtagene Autoleucel0

Reported measurements

No numerical measurement classes were posted for this outcome. Missing is not zero.

Complete source fields
denoms
  1. counts
    1. group Id
      OG000
      value
      0
    units
    Participants
description
ORR was defined as the percentage of participants who achieved a best response of either CR or PR per Grever and colleagues. CR: Near normalization of peripheral blood counts: hemoglobin \>11 g/dL (without transfusion); platelets \>100 000/μL; absolute neutrophil count \>1500/μL. Regression of splenomegaly on physical examination. Absence of morphologic evidence of HCL on both the peripheral blood smear and the bone marrow examination. PR: PR required near normalization of the peripheral blood count (as in CR) with a minimum of 50% improvement in organomegaly and bone marrow biopsy infiltration with HCL.
groups
  1. description
    Participants with Relapsed/Refractory hairy cell leukemia received the following treatment during the study: Lymphodepletion chemotherapy regimen of fludarabine 30 mg/m\^2/day IV and cyclophosphamide 500 mg/m\^2/day IV for 3 days (Day -5 to Day -3). A single IV infusion of brexucabtagene autoleucel at target dose of 2 × 10\^6 anti-CD19 CAR T cells/kg on Day 0.
    id
    OG000
    title
    Substudy D (Relapsed/Refractory Hairy Cell Leukemia): Brexucabtagene Autoleucel
population Description
Data cannot be reported for this outcome measure because substudy D was terminated before the central committee could be formed hence central assessment was not performed. There are no plans to analyze these data in the future.
reporting Status
POSTED
time Frame
Up to 2 years
title
Substudy D: ORR Determined by Central Assessment Per the Response Criteria Described by Grever and Colleagues
type
PRIMARY

Download exact source JSON → · Snapshot ctgov-results-25a395029948b04d52b1253f

Preserved source evidence · Not medical advice