We designed a phase I/II study of azacitidine in combination with quizartinib for pts with newly diagnosed or previously treated MDS or MDS/MPN with detectable FLT3 and/or CBL mutations….Preliminary data suggest azacitidine in combination with quizartinib for pts with MDS and MDS/MPN with FLT3 or CBL mutations have an acceptable toxicity profile and associated with promising responses.