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A Multicenter, Open-label, Non-randomized, Single-arm Phase 1/2 Study of Autologous Nano CD5-CAR T Cells for the Treatment of Relapsed/Refractory T-cell Acute Lymphoblastic Leukemia/Lymphoma
Sponsor: Institute of Hematology & Blood Diseases Hospital, China
Summary
This is a clinical research study for people with relapsed or refractory T-cell acute lymphoblastic leukemia or T-cell lymphoma. The study will test a new treatment called "autologous nano CD5-CAR T cells". These are your own immune cells that have been changed in a lab to recognize and kill cancer cells. This study has two parts: Phase 1 to test the safety and best dose of the treatment, and Phase 2 to see how well it works. You may receive the study treatment if you meet all the eligibility criteria. The main things the study will look at are: how safe the treatment is, how many people's cancer goes away or gets better, and how long the effect lasts. Possible risks include fever, low blood pressure, and infection, which the study team will monitor closely.
Official title: A Multicenter, Open-Label, Non-Randomized, Single-Arm Phase 1/2 Study of Autologous Nano CD5-CAR T Cells for the Treatment of Relapsed/Refractory T-Cell Acute Lymphoblastic Leukemia/Lymphoma
Key Details
Gender
All
Age Range
3 Years - 70 Years
Study Type
INTERVENTIONAL
Enrollment
18
Start Date
2026-06-30
Completion Date
2027-12-31
Last Updated
2026-07-01
Healthy Volunteers
No
Conditions
Interventions
Autologous nano CD5-CAR T Cells
Autologous CD5-targeted CAR-T cells engineered with a novel nano antibody-based chimeric antigen receptor. Patients receive lymphodepleting chemotherapy (fludarabine 30 mg/m²/day + cyclophosphamide 250 mg/m²/day for 3 days) followed by a single intravenous infusion of CAR-T cells. The study uses a dose-escalation design with two main dose levels: 1.0×10\^6 cells/kg and 2.0×10\^6 cells/kg, with a backup low dose of 0.5×10\^6 cells/kg for use in case of insufficient cell yield.