Study of Brexucabtagene Autoleucel (KTE-X19) in Participants With Relapsed/Refractory Mantle Cell Lymphoma (Cohort 3) (ZUMA-2)

July 24, 2026 updated by: Kite, A Gilead Company

A Phase 2 Multicenter Study Evaluating the Efficacy of KTE-X19 in Subjects With Relapsed/Refractory Mantle Cell Lymphoma (ZUMA-2)

The goal of this clinical study is to test how well the study drug, brexucabtagene autoleucel (KTE-X19), works in participants with relapsed/refractory (r/r) mantle cell lymphoma (MCL) who have not previously received Bruton's tyrosine kinase inhibitor (BTKi).

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Detailed Description

Study KTE-C19-102 (NCT02601313) enrolled participants with r/r MCL who had been treated with up to 5 prior regimens, including a BTKi, in Cohorts 1 and 2. To fulfill an FDA postmarketing requirement, Cohort 3 is added to the study. Cohort 3 includes participants with r/r MCL who have been treated with up to five prior regimens but have not received prior therapy with a BTKi.

The final analysis for Cohorts 1 and 2 has been completed. Data for Cohort 3 are analyzed separately. Therefore, this separate registration is only for Cohort 3.

After the end of KTE-C19-102, subjects who received an infusion of anti-CD19 CAR T cells will complete the remainder of the 15-year follow-up assessments in a separate long-term follow-up study, KT-US-982-5968 (NCT05041309).

Study Type

Interventional

Enrollment (Actual)

95

Phase

  • Phase 2

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • France
      • Montpellier, France, 34295
        • CHU de Montpellier
      • Paris, France, 75010
        • Hospital Saint Louis
      • Pessac, France, 44035
        • Hôpital Haut-Lévêque
      • Pierre-Bénite, France, 69495
        • Centre Hospitalier Lyon Sud
      • Rennes, France, 35033
        • CHU de Rennes
  • Germany
      • Mainz, Germany, 55101
        • Johannes Gutenberg University Hospital-University Mainz
      • München, Germany, 81377
        • Munich University of Technology-Medical Faculty- Ethics Committee
      • Würzburg, Germany, 97080
        • Universitaetsklinikum Wuerzburg
  • Netherlands
      • Amsterdam, Netherlands, 1100
        • Academisch Medisch Centrum
      • Groningen, Netherlands, 9700 RB
        • University Medical Center Groningen
      • Rotterdam, Netherlands, 3015 CE
        • Erasmus MC
  • Spain
      • Barcelona, Spain, 08035
        • Hospital Universitari Vall d'Hebron
      • Barcelona, Spain
        • Hospital Clinic Barcelona
      • Salamanca, Spain, 37007
        • Hospital Universitario de Salamanca
  • United Kingdom
      • Glasgow, United Kingdom, G51 4TF
        • Queen Elizabeth University Hospital
      • London, United Kingdom, SE5 9RS
        • Kings College Hospital
      • Manchester, United Kingdom, M13 9WL
        • Manchester Royal Infirmary
  • United States
    • Arizona
      • Gilbert, Arizona, United States, 85234
        • Banner MD Anderson Cancer Center
    • California
      • Palo Alto, California, United States, 94305
        • Stanford University
      • Santa Monica, California, United States, 90404
        • University California Los Angeles (UCLA)
    • Colorado
      • Denver, Colorado, United States, 80218
        • Sarah Cannon- Denver
    • Florida
      • Miami, Florida, United States, 33136
        • University of Miami
      • Tampa, Florida, United States, 33612
        • Moffitt Cancer Center
    • Georgia
      • Atlanta, Georgia, United States, 30322
        • Emory University
    • Illinois
      • Chicago, Illinois, United States, 60637
        • University of Chicago
      • Maywood, Illinois, United States, 60153
        • Loyola University Medical Center
      • Park Ridge, Illinois, United States, 60068
        • Advocate Aurora Health - Advocate Lutheran General Hospital
    • Massachusetts
      • Boston, Massachusetts, United States, 02215
        • Dana Farber Cancer Institute
    • Michigan
      • Detroit, Michigan, United States, 48201
        • Karmanos Cancer Institute
    • New Jersey
      • Hackensack, New Jersey, United States, 07601
        • Hackensack University Medical Center
    • New York
      • Rochester, New York, United States, 14642
        • University of Rochester
    • North Carolina
      • Durham, North Carolina, United States, 27710
        • Duke University
    • Ohio
      • Cleveland, Ohio, United States, 44195
        • Cleveland Clinic - Taussig Cancer Institute
      • Columbus, Ohio, United States, 43220
        • Ohio State University
    • Pennsylvania
      • Philadelphia, Pennsylvania, United States, 19111
        • Fox Chase Cancer Center
    • Tennessee
      • Nashville, Tennessee, United States, 37232
        • Vanderbilt University
      • Nashville, Tennessee, United States, 37203
        • Sarah Cannon - Tenessee
    • Texas
      • Dallas, Texas, United States, 75246
        • Baylor Cancer Hospital
      • Houston, Texas, United States, 77030
        • MD Anderson Cancer Center
    • Washington
      • Seattle, Washington, United States, 98104
        • Swedish Cancer Institute

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Description

Key Inclusion Criteria:

  • Up to 5 prior regimens for mantle cell lymphoma (MCL). Prior therapy must have included anthracycline- or bendamustine-containing chemotherapy and anti-cluster of differentiation 20 (CD20) monoclonal antibody therapy. Individuals must not have received prior therapy with a Bruton's tyrosine kinase inhibitor (BTKi).
  • At least 1 measurable lesion
  • Platelet count ≥ 75,000/μL
  • Creatinine clearance (as estimated by Cockcroft Gault) ≥ to 60 cc/min
  • Cardiac ejection fraction ≥ 50%, no evidence of pericardial effusion as determined by an echocardiogram (ECHO) or multigated acquisition (MUGA), and no clinically significant electrocardiogram (ECG) findings
  • Baseline oxygen saturation > 92% on room air

Key Exclusion Criteria:

  • Known history of infection with human immunodeficiency virus (HIV) or hepatitis B (HBsAG positive) or anti-hepatitis C virus (HCV) positive. Individuals with a history of hepatitis infection must have cleared their infection as determined by standard serological and genetic testing
  • History of a seizure disorder, cerebrovascular ischemia/hemorrhage, dementia, cerebellar disease, cerebral edema, posterior reversible encephalopathy syndrome, or any autoimmune disease with central nervous system (CNS) involvement
  • Presence of fungal, bacterial, viral, or other infection that is uncontrolled or requiring IV antimicrobials for management

Note: Other protocol defined Inclusion/Exclusion criteria may apply.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: N/A
  • Interventional Model: Single Group Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Brexucabtagene autoleucel (KTE-X19)

Participants with relapsed or refractory (r/r) mantle cell lymphoma (MCL) who have been treated with up to 5 prior regimens but have not received prior therapy with a Bruton's tyrosine kinase inhibitor (BTKi) will receive the following treatment during the study:

  • A conditioning chemotherapy regimen of fludarabine 30 mg/m^2/day and cyclophosphamide 500 mg/m^2/day for 3 days (Day -5 to Day -3).
  • A single infusion of brexucabtagene autoleucel at a target dose of 2×10^6 anti-cluster of differentiation 19 (CD19) chimeric antigen receptor (CAR) transduced autologous T cells/kg, with a maximum flat dose of 2 x 10^8 anti-CD19 CAR T cells for participants > 100 kg on Day 0.
Drug: Fludarabine
Administered as intravenous infusion
Drug: Cyclophosphamide
Administered as intravenous infusion
Biological: Brexucabtagene autoleucel
Administered as intravenous infusion
Other Names:
  • Tecartus™
  • KTE-X19

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Percentage of Participants With Objective Response (OR) Per the Lugano Classification According to Independent Radiology Review Committee (IRRC) in Cohort 3
Time Frame: Up to 4 years
OR: complete metabolic response (CMR),complete radiological response (CRR), partial MR response (PMR),partial RR(PRR).CMR:score 1(no uptake above background)/2(uptake ≤mediastinum)/3(uptake >mediastinum but ≤liver) with/without a residual mass on positron emission tomography 5-point scale;no new lesions.CRR:target nodes/nodal masses regressed to ≤1.5cm in longest transverse diameter of lesion (LDi);no extralymphatic sites of disease;absent non-measured lesion(NMLs);organ enlargement regress to normal;no new sites;bone marrow normal by morphology. PMR:score 4(uptake moderately >liver)/5(uptake markedly >liver, new lesions) with reduced uptake compared with baseline and residual mass;no new lesions;responding disease at interim/residual disease at end of treatment (EOT). PRR: ≥50% decrease in sum of the product of the diameters(SPD) of up to 6 target measurable nodes and extra-nodal sites;absent/normal, regressed, but no increase of NMLs;spleen regressed by >50% in length beyond normal.
Up to 4 years

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Percentage of Participants With Anti-CD19 CAR Antibodies
Time Frame: Baseline up to Month 3
Baseline up to Month 3
Peak Serum Levels of C-Reactive Protein (CRP) in Blood
Time Frame: Baseline up to Week 4
Peak was defined as the maximum post-baseline level of the cytokine.
Baseline up to Week 4
Duration of Response (DOR) Per the Lugano Classification According to IRRC in Cohort 3
Time Frame: Up to 4 years
DOR: time from the first OR to progressive disease (PD)/death. It was determined using Kaplan-Meier (KM) estimates. PD: score 4 (uptake moderately > liver)/ 5 (uptake markedly >liver and/or new lesions) with an increase in intensity of uptake from baseline; new fluorodeoxyglucose (FDG)-avid foci consistent with lymphoma at interim/EOT assessment; new FDG-avid foci consistent with lymphoma rather than another etiology; new/recurrent FDG-avid foci in bone marrow; an individual node/lesion must be abnormal with: LDi > 1.5 cm, increase by ≥ 50% from cross-product of LDi and perpendicular diameter (PPD) nadir, increase in LDi or shortest axis perpendicular to the LDi from nadir, the splenic length must increase by > 50% of the extent of its prior increase beyond baseline. If no prior splenomegaly, the increase must be ≥ 2 cm from baseline; new/recurrent splenomegaly; new or clear progression of pre-existing NMLs; new lesion; new/recurrent bone marrow involvement.
Up to 4 years
Percentage of Participants With Best Objective Response (BOR) as Per Investigator Assessment Determined by Lugano Classification in Cohort 3
Time Frame: Up to 4 years
BOR consisted of complete response (CR), partial response (PR), stable disease (SD), PD, not done and not evaluable (NE). CR=CMR/CRR and PR=PMR/PRR were defined in Outcome Measure (OM) 1. 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. PD was defined in OM 2. Not done: no assessment at the time of analysis. Clopper-Pearson method was used for OM analysis. Percentages were rounded off.
Up to 4 years
Percentage of Participants With Objective Response (OR) as Per Investigator Assessment Determined by Lugano Classification in Cohort 3
Time Frame: Up to 4 years
OR was defined in OM #1. Percentages were rounded-off.
Up to 4 years
Progression Free Survival (PFS) Per the Lugano Classification According to IRRC in Cohort 3
Time Frame: Up to 4 years
PFS was defined as the time from brexucabtagene autoleucel infusion date to the date of PD or death from any cause. PD was defined in OM #2. Kaplan-Meier (KM) estimates were used for analysis.
Up to 4 years
Overall Survival (OS)
Time Frame: Up to 4 years
OS was defined as the time from brexucabtagene autoleucel infusion to the date of death from any cause. KM estimates were used for analysis.
Up to 4 years
Percentage of Participants Experiencing Treatment-Emergent Adverse Events (TEAEs)
Time Frame: Up to 3 years
An adverse event (AE) was defined as any untoward medical occurrence in a clinical trial participants. The event did not necessarily have a relationship with study treatment. AE included worsening of a pre-existing medical condition. Worsening indicated that the pre-existing medical condition had increased in severity, frequency, and/or duration or had an association with a worse outcome. A pre-existing condition that had not worsened during the study or involved an intervention such as elective cosmetic surgery or a medical procedure while on study, was not considered an AE. TEAE was defined as any AE with onset on or after the start of treatment.
Up to 3 years
Percentage of Participants With Increase in Post-brexucabtagene Autoleucel Infusion Hematology Toxicity Values by Worst Toxicity Grade
Time Frame: Up to 3 years
Laboratory results were graded according to National Cancer Institute Common Terminology Criteria for Adverse Event (CTCAE) version 4.03. Grade 1 mild, Grade 2 moderate, Grade 3 severe, and Grade 4 life-threatening. Percentages were rounded-off.
Up to 3 years
Percentage of Participants With Increase in Post-brexucabtagene Autoleucel Infusion Chemistry Toxicity Values by Worst Toxicity Grade
Time Frame: Up to 3 years
Laboratory results were graded according to National Cancer Institute CTCAE version 4.03. Grade 1 mild, Grade 2 moderate, Grade 3 severe, and Grade 4 life-threatening. Percentages were rounded-off.
Up to 3 years
Percentage of Participants With Decrease in Post-brexucabtagene Autoleucel Infusion Hematology Toxicity Values by Worst Toxicity Grade
Time Frame: Up to 3 years
Laboratory results were graded according to National Cancer Institute CTCAE version 4.03. Grade 1 mild, Grade 2 moderate, Grade 3 severe, and Grade 4 life-threatening. Percentages were rounded-off.
Up to 3 years
Percentage of Participants With Decrease in Post-brexucabtagene Autoleucel Infusion Chemistry Toxicity Values by Worst Toxicity Grade
Time Frame: Up to 3 years
Laboratory results were graded according to National Cancer Institute CTCAE version 4.03. Grade 1 mild, Grade 2 moderate, Grade 3 severe, and Grade 4 life-threatening. Percentages were rounded-off.
Up to 3 years
Maximum Number of CAR T Cells Measured Post-infusion
Time Frame: Up to Month 36
Up to Month 36
Peak Serum Levels of C-X-C Motif Chemokine 10 (CXCL10), Granzyme B, Interferon-gamma (IFN-γ), Interleukin (IL)-1 Receptor Antagonist (RA), IL-2, IL-6, IL-7, IL-8, IL-10, IL-15 and Tumor Necrosis Factor (TNF)-α in Blood
Time Frame: Baseline up to Week 4
Peak was defined as the maximum post-baseline level of the cytokine.
Baseline up to Week 4
Peak Serum Levels of Ferritin, Intercellular Adhesion Molecule (ICAM)-1, IL-2 Receptor Alpha (Rα), Perforin and Vascular Cell Adhesion Molecule (VCAM)-1 in Blood
Time Frame: Baseline up to Week 4
Peak was defined as the maximum post-baseline level of the cytokine.
Baseline up to Week 4
Percentage of Participants With European Quality of Life-5 Dimensions (EQ-5D) Scale Score at Different Timepoints
Time Frame: Day 0, Month 18 and Month 24
The European Quality of Life-5 Dimensions Health Questionnaire (EQ-5D) was a participant-answered questionnaire scoring 5 dimensions of health: mobility, self-care, usual activities, pain/discomfort and anxiety/depression. For each dimension the participant was asked for a three-level assessment of their health on the current day: "no problems" (1), "some problems" (2), "extreme problems" (3). EQ-5D health states, defined by the EQ-5D descriptive system, were converted into a single summary index by applying a formula that attaches values (also called QOL weights or QOL utilities) to each of the levels in each dimension. Percentage of participants with each scale score for all 5 dimensions are reported. Percentages were rounded-off.
Day 0, Month 18 and Month 24
EQ-5D Visual Analogue Scale (VAS) Score at Different Timepoints
Time Frame: Day 0, Month 18 and Month 24
EQ-5D was a standardized participant completed questionnaire that measures health-related quality of life and translated the score into an index value or utility score. EQ-5D-consisted of two components: a health state profile and an optional visual analogue scale (VAS). The EQ-5D-VAS recorded the participant's self-rated health on a vertical visual analogue scale, where the endpoints were labelled 'The best health you can imagine' and 'The worst health you can imagine'. EQ-5D-VAS: range 0 to 100. A higher score indicated better self-reported health status.
Day 0, Month 18 and Month 24
Percentage of Participants With Deterioration Scores From Screening in the European Organisation for Research and Treatment of Cancer (EORTC) Quality of Life Questionnaire (QLQ) C30
Time Frame: Screening Day -28 to Leukapheresis (Day -5), Day 0, Month 18 and Month 24
EORTC QLQ-C30 included functional scales (physical, role, cognitive, emotional, and social), global health status/quality of life (QoL) scale, symptom scales (fatigue, pain, nausea/vomiting), and single items scales (dyspnoea, appetite loss, insomnia, constipation/diarrhea and financial difficulties). Most questions use 4 point scale (1 'Not at all' to 4 'Very much'; 2 questions used 7-point scale (1 'very poor' to 7 'Excellent'). Scores are averaged, transformed to 0-100 scale. Higher scores for functional scales and for the global health status/QoL scale indicate a higher level of functioning and a better health-related QoL, whereas higher scores in symptom scales represent a higher level of symptoms. Deterioration of score was defined as worsened by at least 1 level from screening. Participants with answer "Yes" to the EORTC functional scale questionnaire were reported.
Screening Day -28 to Leukapheresis (Day -5), Day 0, Month 18 and Month 24

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Kite, A Gilead Company

Investigators

  • Study Director: Kite Study Director, Kite, A Gilead Company

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Helpful Links

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

April 23, 2021

Primary Completion (Actual)

June 17, 2025

Study Completion (Actual)

June 17, 2025

Study Registration Dates

First Submitted

April 30, 2021

First Submitted That Met QC Criteria

May 5, 2021

First Posted (Actual)

May 10, 2021

Study Record Updates

Last Update Posted (Actual)

August 18, 2026

Last Update Submitted That Met QC Criteria

July 24, 2026

Last Verified

July 1, 2026

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • KTE-C19-102 (Cohort 3)
  • 2015-005008-27 (EudraCT Number)
  • 2023-506641-35 (Other Identifier: European Medicines Agency)

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

YES

IPD Plan Description

Qualified external researchers may request IPD for this study. For more information, please visit our website at https://www.gileadclinicaltrials.com/transparency-policy#Commitment

IPD Sharing Time Frame

18 months after study completion and at least 6 months after the FDA and EMA approval

IPD Sharing Access Criteria

A secured external environment with username, password, and RSA code.

IPD Sharing Supporting Information Type

  • STUDY_PROTOCOL
  • SAP

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

Yes

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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