Reduced-intensity versus conventional myeloablative conditioning for patients with Philadelphia chromosome-negative acute lymphoblastic leukemia in complete remission.

To the editor: We read with interest the results of the comparison between reduced-intensity conditioning (RIC) and conventional myeloablative conditioning (MAC) allogeneic stem cell transplantation (allo-SCT) for patients with acute lymphoblastic leukemia (ALL) in complete remission (CR), reported