OS and DOR by treatment arm. (A) Kaplan-Meier curves showing OS in arm A (ENA + AZA). (B) Kaplan-Meier curves showing OS in arm B (ENA). (C) Kaplan-Meier curves showing the DOR in arm A (ENA + AZA). (D) Kaplan-Meier curves showing the DOR in arm B (ENA). AZA, azacitidine; ENA, enasidenib.