Lisaftoclax for Prevention of Differentiation Syndrom in Acute Promyelocytic Leukemia Patients

This study is to assess the efficacy and safety of Lisaftoclax for prevention of DS in APL patients undergoing ATRA/ATO induction regimen.

Inclusion Criteria: * 1\. Patients aged ≥ 16 years old. * 2\. Confirmed diagnosis of acute promyelocytic leukemia (APL) by morphology, flow cytometry, and cytogenetics/molecular testing. * 3\. ECOG performance status 0-2. * 4\. Adequate organ function: * Serum creatinine ≤ 1.5 × ULN * Total bilirubin ≤ 2 × ULN * AST/ALT ≤ 3 × ULN * 5\. Able to understand and sign the informed consent form. Exclusion Criteria: * 1\. Concurrent participation in another interventional clinical trial. * 2\. History of other malignancies within the past 5 years (except cured basal cell carcinoma or in situ cervical cancer). * 3\. Severe uncontrolled infection or other serious underlying diseases that may interfere with study treatment or follow-up. * 4\. Known hypersensitivity to lisaftoclax, ATRA, ATO, or any components of the study regimen. * 5\. Pregnant or breastfeeding women.