P563: A RANDOMIZED, DOUBLE-BLIND, 2-ARM, MULTICENTER, PH3 STUDY OF VENETOCLAX & ORAL AZACITIDINE VS. ORAL AZACITIDINE AS MAINTENANCE THERAPY FOR PTS WITH AML IN FIRST REMISSION AFT... oleh V. Ivanov, S.-P. Yeh, J. Mayer, L. Saini, A. Unal, M. Boyiadzis, D. M. Hoffman, K. Kang, S. N. Addo, W. L. Mendes, A. T. Fathi