This is a prospective, single-arm, single-center, open-label clinical study, aiming to evaluate the efficacy and safety of CAR-T combined with ASCT in the treatment of relapsed/refractory large B-cell lymphoma with high-risk factors.
Age ≥ 18 years
Histopathologically confirmed large B-cell lymphoma, including diffuse large B-cell lymphoma (DLBCL), high-grade B-cell lymphoma (HGBL), central nervous system lymphoma (CNSL), primary mediastinal large B-cell lymphoma (PMBCL), and transformed follicular lymphoma (tFL)
Must have received first-line treatment with a regimen containing anti-CD20 monoclonal antibody and anthracycline
Clinical high-risk factors: Failure to achieve partial response (PR) after 4 cycles of first-line immunochemotherapy; or relapse within 12 months after achieving complete response (CR) with first-line immunochemotherapy; or relapse after autologous hematopoietic stem cell transplantation (ASCT); or central nervous system involvement at the time of disease relapse or progression
Patients who have previously received any CD19-targeted therapy
Patients with CD19 negativity confirmed by immunohistochemistry (IHC)
Active hepatitis B virus (HBV) or hepatitis C virus (HCV) infection, defined as HBV DNA or HCV RNA level above the upper limit of normal (ULN), with or without liver function abnormalities
Presence of uncontrolled infection, cardio-cerebrovascular diseases, coagulopathy, or connective tissue diseases