In spite of the heterogeneity of the patient population in this study, including patients who had received no prior treatment and those without FLT3 mutations, the results suggest that the combination of midostaurin and azacitidine is not effective for the treatment of post-allo-HCT relapse of FLT3-mutated AML. The gene discussed is FLT3; the disease is acute myeloid leukemia.