CD19 and acute lymphoblastic leukemia: In a retrospective analysis of 83 patients receiving axi-cel, tisa-cel, CD19-28z CAR T for B-ALL, or B-cell maturation antigen targeting CAR T for MM, Jain et al. found that the patients who had not progressed or died recovered hemoglobin, platelet, neutrophil, and white blood cell counts [18].