CONSORT (Consolidated Standards of Reporting Trials) diagram. CCR, conventional care regimen; CNS, central nervous system; ECOG PS, Eastern Cooperative Oncology Group performance status; GvHD, graft-versus-host disease; HSCT, hematopoietic stem cell transplant; ITT, intention-to-treat; mITT, modified ITT; QTc, corrected QT interval. ∗The most common “other” reason for treatment discontinuation was “No benefit of treatment” (n=34).