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Phase 1/2b Trial of Autologous Humanized CD19-Directed Chimeric Antigen Receptor T-Cells Manufactured Using the CliniMACS Prodigy Platform for the Treatment of Pediatric B Cell Acute Lymphoblastic Leukemia (B-ALL)


Description

This study will determine the safety and efficacy of moving to a second-generation manufacturing process using the CliniMACS Prodigy platform to manufacture huCART19 cells for patients with B cell Acute Lymphoblastic Leukemia (B-ALL).Chimeric Antigen Receptor T-Cells (CAR T) cell therapy has shifted the treatment landscape for pediatric and young adult patients with multiply relapsed and refractory B-ALL (B cell Acute Lymphoblastic Leukemia), however, the manufacturing process remains in its first generation: laborious, time-intensive, and not automated. The time and significant personnel resources in this process can result in patient safety issues - with patients growing sicker, with harder to control leukemias - in the waiting period between T cell collection and completed CAR T cell product manufacture. Use of the CliniMACS Prodigy platform, that allows for semi-automated clinical-scale processing of huCART19 cell products in a functionally closed, sterile system, rapidly, without

Trial Eligibility

Inclusion Criteria: 1. Signed Informed Informed Consent 2. Subjects with documented CD19+ ALL or Lly: 1. Cohort A: Subjects with relapsed or refractory ALL or Lly 2. Cohort B: Subjects with poor response to prior B cell directed engineered cell therapy, 3. Subjects with prior or current history of CNS3 disease will be eligible if Central Nervous System (CNS) disease is responsive to therapy (at infusion, must meet criteria in Section 7.6.2). 4. Documentation of CD19 tumor expression in bone marrow, peripheral blood, cerebrospinal fluid (CSF), or tumor tissue by flow cytometry. If the subject has received CD19-directed therapy, flow cytometry should be obtained after this therapy to demonstrate CD19 expression. 5. Age 0-29 years 6. Adequate organ function 7. Adequate performance status defined as Lanksy or Karnofsky performance score ≥50 8. Subjects of reproductive potential must agree to use acceptable birth control methods. Exclusion Criteria: 1. Active hepatitis B or active hepatitis C 2. HIV infection 3. Active acute or chronic graft-versus-host disease (GVHD) requiring systemic therapy. 4. Concurrent use of systemic steroids or immunosuppression at the time of cell infusion or cell collection, or a condition, in the treating physician's opinion, that is likely to require steroid therapy or immunosuppression during collection or after infusion. Steroids for disease treatment at times other than cell collection or at the time of infusion are permitted. Use of physiologic replacement hydrocortisone or inhaled steroids is permitted as well. 5. CNS disease that is progressive on therapy, or with CNS parenchymal lesions that might increase the risk of CNS toxicity. 6. Pregnant or nursing (lactating) women. 7. Uncontrolled active infection. 8. History of seizure disorder that requires ongoing anti-epileptic therapy. 9. If the subject has received previous CAR T cell therapies, history of grade 3 or higher ICANS following administration of a CAR T cell product.

Study Info

Organization

Children's Hospital of Philadelphia


Primary Outcome

Safety of huCART19 Administration


Outcome Timeframe 5 years

NCTID NCT05480449

Phases PHASE1,PHASE2

Primary Purpose TREATMENT

Start Date 2022-09-20

Completion Date 2027-09-20

Enrollment Target 89

Interventions

BIOLOGICAL Autologous Humanized CD19-Directed Chimeric Antigen Receptor T-Cells (huCART19)

Locations Recruiting

Children's Hospital of Philadelphia

United States, Pennsylvania, Philadelphia


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