RecruitingDrug trialClinical Study Protocol for the Treatment of ND-AML and RR-AML With KMT2A Gene Abnormalities Using VHEA.This study is a clinical trial aimed at evaluating the efficacy and safety of the VHEA(Venetoclax with Homoharringtonine,Etoposide,Cytarabine)regimen in the treatment of newly diagnosed and relapsed/refractory acute myeloid leukemia (AML) with MLL gene abnormalities. This study includes the induction and consolidation phases of AML treatment.