Transcriptome Analysis Identifies a Myeloid-Like Signature in Relapsed or Refractory B-Cell Acute Lymphoblastic Leukemia Patients With Poor Response to CD19 Chimeric Antigen Receptor T Cell Therapy

Background

Relapsed or refractory B-cell acute lymphoblastic leukemia (R/R B-ALL) patients exhibit heterogeneous responses to CD19 chimeric antigen receptor T-cell (CAR-T) therapy. However, current studies primarily focus on the CAR-T cells or the leukemia blasts, and the patient's intrinsic molecular characteristics before treatment remain poorly understood.