A New Treatment of Newly Diagnosed KIT Mutation CBF-Acute Myeloid Leukemia

Inclusion Criteria: * Age ≥18 years, both genders * Diagnosis of acute myeloid leukemia according to WHO 2022 criteria * Treatment-naive patients (hydroxyurea or low-dose cytarabine \<0.5g cumulative dose allowed) * Bone marrow detection of KIT mutations with concurrent t(8;21)(q22;q22.1) or RUNX1::RUNX1T1 fusion gene; or inv(16)(p13.1q22) or t(16;16)(p13.1;q22) or CBFβ::MYH11 fusion gene * Life expectancy \>12 weeks Group A: ≥18 and \<65 years with ECOG 0-1; Group B: ≥65 years or ≥18 and \<65 years with comorbidities (ECOG ≥2, cardiac disease, creatinine clearance 30-50ml/min, or mild hepatic impairment) * Adequate organ function: bilirubin ≤2×ULN, ALT/AST ≤3×ULN (≤5×ULN if leukemic infiltration), creatinine clearance ≥30ml/min, left ventricular ejection fraction \>45% Exclusion Criteria: * Known hypersensitivity to KIT inhibitors, cytarabine, idarubicin, venetoclax, azacitidine or similar agents * Concurrent use of other KIT inhibitors (dasatinib, sorafenib, gilteritinib, midostaurin) * Intracranial hemorrhage on imaging or unresolved prior intracranial bleeding * Active uncontrolled infection * Significant organ dysfunction: myocardial infarction, chronic heart failure, decompensated liver dysfunction, renal failure * Pregnancy or breastfeeding