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Large B-cell LymphomaPhase 2NCT06104592

Single-Arm Comprehensive Ablative Bridging Irradiation I Prior to CD19 CAR-T In High-Risk R/R LBCL

A Phase 2 study testing Comprehensive Ablative Bridging Irradiation (CABI) and Chimeric Antigen Receptor T-Cell Therapy in people with Large B-cell Lymphoma and Relapsed Non-Hodgkin Lymphoma, run by H. Lee Moffitt Cancer Center and Research Institute at 1 site in United States.

Recruiting

Looking for participants now. Contact the study team or a site below to ask about taking part.

Sites and contacts
Official record
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Trial summary

This is a phase 2, single-arm, open-label study to evaluate the safety and efficacy of comprehensive bridging radiation therapy prior to CD19 CAR T-cell therapy for large B-cell lymphoma patients with bulky disease, defined as any lesion ≥5 cm. Read more about this study

Who is it for?
Ages 18 years and older
What is being tested?
Comprehensive Ablative Bridging Irradiation (CABI) and Chimeric Antigen Receptor T-Cell Therapy
Could I receive a placebo?
No, everyone receives an active treatment
How many people
27 participants
Where
1 siteUnited States
Study dates
8 Nov 2023to Dec 2026
Phase
Phase 2
Are there results?
Not yet: the study is under way

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Patients with a histologically confirmed diagnosis of diffuse large B-cell lymphoma (DLBCL) who plan to receive treatment at the Moffitt Cancer Center will be eligible.
  • Must have ability to comprehend and the willingness to sign written informed consent for study participation.
  • Eligible to receive CAR T-cell therapy (axicabtagene ciloleucel) for LBCL and histological variants approved by the standard of care label
  • ECOG performance status 0 to 2.
  • At least one high-risk lesion, defined as measuring ≥ 5 cm, that is targetable for radiotherapy per investigator assessment.
  • Ability to undergo comprehensive bridging radiation, defined as radiation to all visible sites of disease.
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  • No evidence or suspicion of active central nervous system (CNS) involvement of lymphoma
  • Adequate bone marrow and organ function as defined in protocol.
  • The effects of therapeutic agents used in this trial on developing human fetus are unknown, and because of this, women of child-bearing potential and men must agree to use adequate contraception (hormonal or barrier method of birth control; abstinence) prior to study entry and for the duration of study participation as outlined in criteria below:
  • Men must agree to take appropriate precautions to avoid fathering children (with at least 99% certainty) from screening through safety follow up and must refrain from donating sperm during this period. Permitted methods that are at least 99% effective in preventing pregnancy should be communicated to the participants in their understanding confirmed.
  • Women of childbearing potential must have a negative serum or urine pregnancy test at screening and at time of radiation treatment planning, per standard of care and departmental standard operating procedure. Patients must agree to take appropriate precautions to avoid pregnancy (with at least 99% certainty) from screening through safety follow up. Permitted methods that are at least 99% effective in preventing pregnancy should be communicated to the participants and their understanding confirmed.
  • Women of non-childbearing potential (i.e., surgically sterile with a hysterectomy and/or bilateral oophorectomy OR ≥12 months of amenorrhea) are eligible.

Who cannot join

  • Patients who are currently receiving or who have received any other investigational study agent ≤4 weeks prior to screening visit are ineligible
  • Prior treatment with chimeric antigen receptor (CAR) T-cell therapy
  • Inability to safely deliver comprehensive radiation therapy to all sites of disease per treating radiation oncologists' discretion
  • Participants with clinically significant or uncontrolled cardiac disease, including unstable angina, acute myocardial infarction within 6 months from screening, New York Health Association III or IV heart failure, and circulatory collapse requiring vasopressor or inotropic support.
  • Participants with arrhythmias that are not stable on a medical management program within 2 weeks of screening are also excluded.
  • Evidence of active uncontrolled/untreated infection (viral, bacterial, fungal, opportunistic) of any origin.
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  • Known positive Human immunodeficiency virus (HIV) status.
  • Participants with evidence of active and/or chronic hepatitis B virus (HBV) infection, HBV viral load must be undetectable on suppressive therapy, if indicated.
  • Participants with a history of hepatitis C virus (HCV) infection, HCV must have a negative nucleic acid test post-treatment or spontaneous clearance.
  • Participants who require the concurrent use of chronic systemic steroids or immunosuppressant medications. Steroids should not be given within 5 days prior to leukapheresis. Concomitant bridging steroids (Section 6.6) are allowed after leukapheresis.
  • Any condition that would, in the investigator's judgement, interfere with full participation in the study and attending required study visits (if outpatient); pose a significant risk to the participant; or interfere with interpretation of study data.
  • In the investigator's judgment, the subject is unlikely to complete all protocol-required study visits or procedures, including follow-up visits, or comply with the study requirements for participation including ability to safely undergo radiation treatment planning and delivery.
  • Women of childbearing potential who are pregnant or breastfeeding. Females who have undergone surgical sterilization or who have been postmenopausal for at least 12 months are not considered to be of childbearing potential.

Trial locations and contacts

1 site in 1 country. Contact the study team or a site near you to ask about taking part.

United States1 site, 1 recruiting
  • Moffitt Cancer Center

    Tampa, Florida, 33612

    Michael Jain, MD, PhD

    Nicholas Figura, MD

    Recruiting

Other trials in United States

About this study

Official title: Phase 2, Single-Arm Trial of Comprehensive Ablative Bridging Irradiation (CABI) Prior to CD19 CAR-T Cell Therapy in High-Risk, Relapsed or Refractory Large B Cell Lymphoma in Patients With Bulky Disease

This is a phase 2, single-arm, open-label study to evaluate the safety and efficacy of comprehensive bridging radiation therapy prior to CD19 CAR T-cell therapy for large B-cell lymphoma patients with bulky disease, defined as any lesion ≥5 cm.

Being tested
Comprehensive Ablative Bridging Irradiation (CABI), Chimeric Antigen Receptor T-Cell Therapy
Medical subject headings
Lymphoma, Non-Hodgkin

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Comprehensive Ablative Bridging Irradiation (CABI)Radiation

    Participants will receive radiation therapy to all pretreatment lesions that are able to be feasibly and safely treated.

  • Chimeric Antigen Receptor T-Cell TherapyBiological

    Also called Axi-Cel, Yascarta

    Yascarta is an autologous anti-CD19 CAR T cell therapy manufactured from the patient's own T cells, which have been extracted and then reprogrammed with CAR molecules to help the T cells recognize cancer cells. The reengineered T cells are infused back into the patient to attack the cancer.

Study groups in NCT06104592
Study groupRoleWhat they receive
Radiation Therapy and CAR T-Cell InfusionExperimentalFollowing T-cell apheresis for CD19 CAR T-cell therapy, eligible enrolled study participants patients will undergo Comprehensive Ablative Bridging Irradiation (CABI) to all pretreatments lesions that are able to be feasibly and safely treated by the treating radiation oncologist. Upon completion of bridging radiotherapy, patients will undergo lymphodepleting chemotherapy period (Days -5, -4, -3) followed by axi-cel infusion (Day 0).
Receives: Radiation: Comprehensive Ablative Bridging Irradiation (CABI); Biological: Chimeric Antigen Receptor T-Cell Therapy

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Progression Free Survival (PFS)

    PFS will be measured by date of CAR T-cell infusion until first occurrence of in-field, local, or distant progression, or death. If none of these events occur, patients will be censored on date of last contact.

    Measured: at 12 months

Secondary outcomes (6)
  1. Rate of local relapse (i.e., relapse of lymphoma at a body site that received bridging radiation therapy)

    Rate of local relapse determined by evidence of disease at a body site that received bridging radiation therapy.

    Measured: up to 12 months

  2. Rate of distant relapse (i.e., relapse of lymphoma at a body site that did not receive bridging radiation therapy)

    Rate of distant relapse determined by evidence of disease at a body site that did not receive bridging radiation therapy.

    Measured: up to 12 months

  3. Number of serious adverse events attributed to bridging radiotherapy

    Number of serious adverse events that can be attributed to bridging radiotherapy

    Measured: Up to 12 months

  4. Number of serious adverse events attributed to CAR T-cell infusion

    Number of serious adverse events that can be attributed to CAR T-cell infusion

    Measured: Up to 12 months

  5. Number of participants experiencing severe cytokine release syndrome (CRS)

    Number of participants experiencing severe CRS (grade 3 or higher by ASTCT criteria) in the first 30 days after CAR T-cell infusion.

    Measured: at 30 days after CAR T infusion

  6. Number of participants experiencing severe immune cell associated neurotoxicity syndrome (ICANS)

    Number of participants experiencing severe ICANS (grade 3 or higher by ASTCT criteria) in the first 30 days after CAR T-cell infusion.

    Measured: at 30 days after CAR T infusion

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted27 Oct 2023
  2. Study start8 Nov 2023
  3. Primary completionDec 2026 (estimated)
  4. Study completionDec 2026 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 2
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrolment
27 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT06104592
Sponsor's protocol ID
MCC-22113
Status last verified
Mar 2026
First submitted
23 Oct 2023
Last updated
31 Mar 2026
Results posted
No
Data monitoring committee
Yes
FDA-regulated drug
Yes
FDA-regulated device
No
Individual data sharing
Undecided

Questions about this trial

What is this clinical trial studying?

A Phase 2 study testing Comprehensive Ablative Bridging Irradiation (CABI) and Chimeric Antigen Receptor T-Cell Therapy in people with Large B-cell Lymphoma and Relapsed Non-Hodgkin Lymphoma, run by H. Lee Moffitt Cancer Center and Research Institute at 1 site in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 12 inclusion and 13 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: looking for participants now, as of the sponsor's last update on 31 Mar 2026. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

This study is still under way. Results are not available in the source record yet.

How can a doctor refer a patient or contact the research team?

Contact Ruthie Chae (813-745-3425, ICETtrials@moffitt.org), or a site near the patient. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Progression Free Survival (PFS) (time frame: at 12 months). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 31 Mar 2026.

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