Naveen Pemmaraju, MD, University of Texas MD Anderson Cancer Center, Houston, TX, outlines the results of a Phase I study examining the safety and preliminary efficacy of PLX51107, a bromodomain and extra-terminal domain (BET) inhibitor, in combination with azacitidine in patients with high-risk myelodysplastic syndromes (MDS) and acute myeloid leukemia (AML) (NCT04022785). This combination appeared to be well tolerated and showed some efficacy signals with signs of hematologic improvement (HI) in high-risk AML subsets. BET inhibition should be further investigated in combination with other agents in patients with myeloid malignancies. This interview took place at the 63rd ASH Annual Meeting and Exposition congress in Atlanta, GA.