The study is designed to examine the feasibility and safety of collecting autologous hematopoietic stem cells (HSCs) to be combined with CAR T-cell therapy for patients with relapsed/refractory (r/r) hematological disease. The study will evaluate feasibility of collecting the target dose of HSCs from at least 50% of enrolled patients. The study will assess safety based on incidence and severity of cytokine release syndrome (CRS) and immune effector cell-associated neurotoxicity syndrome (ICANS) in the first 60 days post CAR T dosing, and also through the collection of adverse events (AEs) and serious adverse events (SAEs) as well as the durability of response after treatment with HSCs with CAR T. The study follows an open-label, single-center and single non-randomized cohort design. 20 subjects with r/r hematological malignancies will be enrolled and treated to evaluate the feasibility and preliminary safety of collecting autologous HSCs and combining them with CAR T-cell therapy.
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To assess feasibility of collecting the target HSC cell dose for at least 50% of enrolled patients.
Timeframe: From Day 0 (CAR T infusion) to Day 10 (aHSC infusion).
To assess safety of aHSC to planned CAR T therapy in the first 60 days through the incidence, severity, and duration of CRS based on the American Society for Transplantation and Cellular Therapy (ASTCT) consensus grading system.
Timeframe: From Day 0 to Day 60.
To assess safety of aHSC to planned CAR T therapy in the first 60 days through the incidence, severity, and duration of ICANS based on the American Society for Transplantation and Cellular Therapy (ASTCT) consensus grading system.
Timeframe: From Day 0 to Day 60.
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