Venetoclax and HMA Treatment of Older and Unfit Adults With FLT3 Mutated Acute Myeloid Leukemia (AML) (A MyeloMATCH Treatment Trial)

Inclusion Criteria: * Patient must be ≥ 60 years of age or adults ˂ 60 who in the opinion of the treating physician are better served by azanucleoside-based therapy rather than intensive, cytarabine-based induction based on clinical status (i.e., performance status, age \> 75 years), organ dysfunction, or disease biology * Patient must have a morphologically confirmed diagnosis of AML according to the World Health Organization (WHO) 2016 classification excluding acute promyelocytic leukemia (APL) with PML-RARA, AML with RUNX1-RUNX1T1, or AML with CBFB-MYH11 * Patient must have no prior therapy for AML with the exception of hydroxyurea and all-trans retinoic acid (ATRA), or leukapheresis. Patients with cytarabine-based emergency therapy prior to the start of therapy on this trial are eligible * Patient must have no prior therapy with hypomethylating agents or FLT3 inhibitors * Patient must have the FLT3-ITD or D835 mutation based on MyeloMATCH Master Screening and Reassessment Protocol (MSRP) * Patient must be assigned to this protocol by the myeloMATCH MSRP * Patient must not be pregnant or breast-feeding due to the potential harm to an unborn fetus and possible risk for adverse events in nursing infants with the treatment regimens being used. * All patients of childbearing potential must have a blood test or urine study within 14 days prior to registration to rule out pregnancy. * A patient of childbearing potential is defined as anyone, regardless of sexual orientatio…