期刊
CURRENT HEMATOLOGIC MALIGNANCY REPORTS
卷 16, 期 1, 页码 72-81出版社
CURRENT MEDICINE GROUP
DOI: 10.1007/s11899-021-00610-y
关键词
Bispecific antibody; CAR-T; Allo-HSCT; T cell; CD19; CD20
Current treatment options for relapsed or refractory DLBCL include autologous and allogeneic stem cell transplant, CAR-T therapy, and bispecific antibodies. Recent studies have shown activity of bispecific antibodies and CAR-T therapy in chemotherapy-resistant population. CAR-T treatment has demonstrated durable remissions in some patients.
Purpose of Review Diffuse large B cell lymphoma (DLBCL) is curable in a majority of patients; however, a significant portion of patients develop relapsed or refractory disease. High-dose chemotherapy followed by autologous stem cell transplant is the standard approach in appropriately selected patients. Many patients are not candidates for transplant and many who do receive autologous transplant relapse. Therapies which harness T cells including chimeric antigen receptor T cells (CAR-T) and bispecific antibodies are active in this chemotherapy-resistant population. We review the role of autologous and allogeneic stem cell transplant, CAR-T therapy, and bispecific antibodies in the treatment of relapsed or refractory DLBCL. Recent Findings Phase I studies of bispecific antibodies directed against CD20 x CD3 have shown activity in heavily pre-treated DLBCL including in patients who have progressed following autologous transplant and/or CAR-T therapy. Two CAR-T products have received regulatory approval in relapsed or refractory DLBCL, with other products in clinical trials. CAR-T treatment has resulted in durable remissions and trials are ongoing to determine if CAR-T should replace autologous transplant as second-line therapy for DLBCL. The development of multiple T cell-directed therapies for DLBCL offers new treatment options for chemotherapy-resistant disease. We discuss our approach to relapsed or refractory DLBCL patients and the open question of optimal sequencing of autologous transplant (a current standard treatment), CAR-T therapy (FDA approved), and bispecific antibodies (in clinical trials).
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