We present here preliminary KOMET-001 (NCT04067336) data, an ongoing Phase (P) 1/2 study of ziftomenib (KO-539), an inhibitor of KMT2A-menin interaction, in adult pts with relapsed/refractory (R/R) AML….At 600 mg, 1 of 2 KMT2Ar pts had stable disease with significantly decreased BC lasting >4 months.