
Hematology-Oncology
Cellular and Molecular Mechanisms of Relapse After CD19/CD22 Dual-Target CAR T-Cell Therapy in B-Cell Acute Lymphoblastic Leukemia
By MedXY|Jun 2, 2026
A study of 91 B-ALL patients found that relapse after CD19/CD22 dual-target CAR T-cell therapy is mainly driven by CAR T-cell functional failure and antigen loss, with PAX5 mutations linked to early immune escape.