Cumulative incidence of relapse according to conditioning intensity, MRD, and randomization arm. (A) Pre-HCT FLT3-ITD MRD negative; placebo arm; MAC vs RIC. (B) Pre-HCT FLT3-ITD MRD positive; placebo arm; MAC vs RIC. (C) Pre-HCT FLT3-ITD MRD negative; gilteritinib arm; MAC vs RIC. (D) Pre-HCT FLT3-ITD MRD positive; gilteritinib arm; MAC vs RIC. HR, hazard ratio.