Mitoxantrone Hydrochloride Liposome Injection-containing Bridging Regimen and CD19-targeting CAR-T Therapies

Bridging therapies from enrollment before CD19 CAR-T infusion. A treatment regimen containing mitoxantrone hydrochloride liposome injection, including but not limited to the following recommended regimens: R-MINE regimen (rituximab + ifosfamide + mitoxantrone hydrochloride liposome + etoposide) G-MINE regimen (obinutuzumab + ifosfamide + mitoxantrone hydrochloride liposome + etoposide) MAE regimen (mitoxantrone liposome hydrochloride + cytarabine + etoposide) . The recommended dose of mitoxantrone liposome hydrochloride is not limited. For patients who achieve SD or better after one cycle of bridging treatment, it is up to the investigator to decide whether to receive CAR-T therapy. Fludarabine-based lymphodepletion chemotherapy was followed by CD19 CAR-T cells (relma-cel, axi-cel or humanized CAR19). Relma-cel and axi-cel will be infused according to the instructions. CART19 infusion is conducted at a dose of 1x10\^6/kg on day 0 and day 1 respectively.