Autologous CAR19.20.22 Chimeric Antigen Receptor T Cells (CAR19.20.22 CART) for the Treatment of Recurrent or Refractory B-Cell Lymphomas
This phase Ia trial tests the safety, side effects, and best dose of autologous CAR19.20.22 chimeric antigen receptor T cells (CAR19.20.22 CART) in treating patients with B cell lymphoma that has come back after a period of improvement (recurrent) or has not responded to previous treatment (refractory). Chimeric antigen receptor (CAR) T cell therapy is a type of treatment in which a patient's T cells (a type of immune system cell) are changed in the laboratory so they will attack cancer cells. T cells are taken from a patient’s blood. Then the gene for a special receptor that binds to a certain protein, such as CAR19.20.22, on the patient’s tumor cells is added to the T cells in the laboratory. The special receptor is called a chimeric antigen receptor (CAR). Large numbers of the CAR T cells are grown in the laboratory and given to the patient by infusion for treatment of certain cancers. Giving CAR19.20.22 CART cells may be safe, tolerable, and/or effective in treating patients with recurrent or refractory B cell lymphoma.
Inclusion Criteria
- Age ≥ 18 years
- Histologically confirmed relapsed/refractory B cell Lymphoma. * Histologies allowed: diffuse large B cell lymphoma (DLBCL), primary mediastinal large B cell lymphoma (PMBCL), follicular lymphoma (FL), transformed follicular lymphoma (tFL), mantle cell lymphoma (MCL), marginal zone lymphoma (MZL), chronic lymphocytic leukemia (CLL)/small lymphocytic lymphoma (SLL), Richter’s transformation with or without concurrent CLL, Burkitt's lymphoma
- Relapsed or refractory disease after two lines or more of therapy (except one or more line for MCL) including rituximab and other anti-CD20 antibodies, BTK inhibitors (mantle cell lymphoma only), and anthracycline (specifically for DLBCL, PMBCL, transformed (t)FL, and Burkitt's lymphoma)
- Measurable disease according to Lugano 2014 criteria for assessing fludeoxyglucose-18 (FDG)-PET/CT in lymphoma. Lesions that have been previously irradiated will be considered measurable only if progression has been documented following completion of radiation therapy. If the only measurable disease is lymph node disease, at least 1 lymph node should be ≥ 1.5 cm
- Two out of three target antigen expression required (immunohistochemistry [IHC] or flow per institutional guidelines) on the most recent biopsy available. We will analyze a tumor sample from the most recent relapse or development of refractory disease state (archival sample within < 6 months) for antigen expression. Alternatively, a new biopsy will be obtained in case archival material is not available
- Prior auto CAR T permitted (washout 3 months)
- Prior autologous stem cell transplant (ASCT) is permitted and prior allogeneic (Allo)SCT is permitted if off immunosuppression and no clinically significant (more than grade 1) graft-versus-host disease (GVHD)
- Prior allo CAR T permitted (washout 1 month, permitting hematologic parameters)
- Prior bispecific T-Cell engager (BiTE) permitted (washout 3 months)
- At least 2 weeks or 5 half-lives, whichever is shorter, must have elapsed since any prior systemic therapy at the time the subject is planned for leukapheresis, except for systemic inhibitory/stimulatory immune checkpoint (ICP) therapy and anti-CD20 monoclonal antibody (mAb) therapy
- Eastern Cooperative Oncology Group (ECOG) 0 or 1
- Cardiac ejection fraction (EF) ≥ 45% as determined by an echocardiogram (ECHO) or multigated radionuclide angiography (MUGA)
- Resting oxygen (O2) saturation > 90% on room air
- Total bilirubin ≤ 1.5 mg/dL except in individuals with Gilbert’s syndrome
- Total bilirubin ≤ 3.0 mg/dL in individuals with Gilbert’s syndrome
- Serum alanine aminotransferase (ALT) / aspartate aminotransferase (AST) < 5 times the upper limit of normal (ULN) for age
- A creatinine clearance (as estimated by direct urine collection or the non-racial Chronic Kidney Disease Epidemiology Collaboration [CKD-EPI] equation) > 30 mL/min
- Absolute neutrophil count (ANC) > 1000/uL
- Absolute lymphocyte count > 100/uL
- Platelets > 50,000/uL
- Estimated life expectancy of more than 3 months independent from primary disease
- Subjects of child-bearing or child-fathering potential must be willing to use study-defined highly-effective methods birth control from the time of enrollment on this study through the study follow-up period * Study-defined highly-effective methods of birth control are implants, levonorgestrel releasing intrauterine systems, medroxyprogesterone acetate depot, tubal sterilization, sexual intercourse with a vasectomised male partner only (vasectomy must be confirmed by two negative semen analyses), and ovulation inhibitory progesterone
Exclusion Criteria
- Unable to give informed consent
- Known history of infection with human immunodeficiency virus (HIV) or active hepatitis B (hepatitis B surface antigen [HBsAg] positive). If there is a history of treated hepatitis B or hepatitis C, the viral load must be polymerase chain reaction (PCR) negative; antiviral secondary prophylaxis is required if HBsAg negative and anti-hepatitis C (HBc) positive
- Known history of infection with hepatitis C virus (anti-HCV positive) unless viral load is undetectable per quantitative PCR and/or nucleic acid testing
- Known history of active seizure or presence of seizure activities or on active anti-seizure medications within the prior 12 months
- Known history or presence of autoimmune central nervous system (CNS) disease, such as multiple sclerosis, optic neuritis or other immunologic or inflammatory disease
- Presence of active CNS disorder that, in the judgment of the investigator, may impair the ability to evaluate neurotoxicity
- Active systemic fungal, viral or bacterial infection
- Pregnant or breast-feeding woman
- Previous or concurrent malignancy with the following exceptions: * Adequately treated basal cell or squamous cell carcinoma (adequate wound healing is required prior to study entry) * In situ carcinoma of the cervix or breast, treated curatively and without evidence of recurrence for at least 2 years prior to the study * Adequately treated breast or prostate carcinoma on hormonal maintenance therapies such as Lupron or tamoxifen and in clinical remission of ≥ 2 years * A primary malignancy which has been completely resected / treated with curative intent and in complete remission of ≥ 2 years * History of non-neurologic autoimmune disease (e.g. Crohn’s disease, rheumatoid arthritis, systemic lupus erythematosus) requiring systemic immunosuppressive or systemic disease modifying agents (equivalent to > 10 mg prednisone daily) within the last 2 years
- Medical condition requiring prolonged use of systemic corticosteroids equivalent to prednisone > 10 mg/day
- History of myocardial infarction, cardiac angioplasty or stenting, unstable angina, or other clinically significant cardiac disease within 6 months of enrollment
- Concurrent radiotherapy (normal tissue sparing palliative radiotherapy allowed up to time of lymphodepletion)
- For systemic therapy, at least 2 weeks or 5 half-lives, whichever is shorter, must have elapsed at the time of scheduled leukapheresis
- Baseline dementia that would interfere with therapy or monitoring, determined using Immune Effector Cell-Associated Encephalopathy (ICE) assessment at baseline
- History of severe immediate hypersensitivity reaction to any of the agents used in this study
- Clinical suspicion of central nervous system (CNS) lymphoma
- If the subject has history of CNS disease, then he/she must * Have no signs or symptoms of active CNS disease * Have no active disease on magnetic resonance imaging (MRI)- e.g. vasogenic edema; stable, post-treatment changes are acceptable * Have no malignant cells of any type present in cerebrospinal fluid (CSF) on cytospin preparation and flow cytometry, regardless of number of white blood cells (WBCs)
- In case of cerebral vascular accident (CVA) * The CVA event must be > 12 months prior to leukapheresis * Any neurological deficits must be stable
- ECOG 2 or higher (unless due to lymphoma diagnosis)
- Ongoing immunosuppression for graft versus host disease treatment or prophylaxis (prior allogeneic stem cell transplant permitted)
- History of a severe hypersensitivity reaction or contraindication to any of the agents used in the study (including fludarabine and cyclophosphamide)
- Subjects of both genders who are not willing to practice highly effective birth control from the time of informed consent through 6 months after the CAR19.20.22 infusion
- In the investigator’s judgment, the subject is unlikely to complete all study-specific visits or procedures, including follow-up visits, or comply with the study requirements for participation
Additional locations may be listed on ClinicalTrials.gov for NCT07168486.
Locations matching your search criteria
United States
Maryland
Baltimore
PRIMARY OBJECTIVE:
I. To determine the safety of infusion with chimeric antigen receptor T-cells targeting CAR19.20.22 (CAR19.20.22 CAR T-cells) and to find the recommended phase II dose (RP2D) for recurrent/refractory B cell lymphoma.
SECONDARY OBJECTIVES:
I. Efficacy – Overall survival (OS); progression-free survival (PFS); overall response rate (ORR).
II. Pharmacokinetics/Pharmacodynamics (PK/PD) – In-vivo duoCAR T-cell persistence in peripheral blood samples by qPCR measurement of vector copy number and/or flow cytometry enumeration of CD19 or CD22 CAR-expressing T-cells.
III. To examine the feasibility of manufacture of autologous CAR19.20.22 CAR T-cells (CAR19.20.22 CAR T-cells) at a minimum target dose of 0.75x106 cells/kilogram using the Miltenyi CliniMACS Prodigy® automated system.
IV. Immunogenicity against CAR19.20.22 CAR T-cells.
V. Disease biomarkers.
VI. CAR T-cell persistence and levels of exhaustion, CAR T-cell function ex vivo.
OUTLINE: This is a dose-escalation study of CAR19.20.22 CAR T cells.
Patients undergo leukapheresis to obtain peripheral blood mononuclear cells (PBMCs) for T cell product manufacturing prior to treatment. Patients then receive lymphodepletion chemotherapy consisting of cyclophosphamide IV over 60 minutes and fludarabine IV over 30 minutes on days -5 to -3. Patients receive CAR19.20.22 CAR T IV over 5-15 minutes on day 0 in the absence of disease progression or unacceptable toxicity. Patients undergo echocardiography (ECHO) or multigated acquisition (MUGA) scan and bone marrow biopsy and aspiration during screening. Patients also undergo lumbar puncture during screening and at time of disease progression or relapse, positron emission tomography (PET)/computed tomography (CT), magnetic resonance imaging (MRI) and blood sample collection during screening and follow-up.
After completion of study treatment, patients are followed up at 28 days, every 3 months until year 1 then every 6 months until year 2 for up to year 15.
Trial PhasePhase I
Trial Typetreatment
Lead OrganizationUniversity of Maryland/Greenebaum Cancer Center
Principal InvestigatorDjordje Atanackovic
- Primary ID2372GCCC
- Secondary IDsNCI-2025-00309
- ClinicalTrials.gov IDNCT07168486