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Background: Allogeneic hematopoietic stem cell transplantation (HSCT) is rarely recommended for unfit patients with newly diagnosed acute myeloid leukemia (AML). Patient survival can improve with venetoclax plus azacitidine (VEN plus AZA). However, the long-term outcome of this treatment strategy is still unsatisfactory. The high response and low treatment toxicity rates of patients receiving VEN plus AZA can provide an opportunity for HSCT among unfit patients. Nevertheless, the outcomes and complications of VEN plus AZA, followed by HSCT, remain unclear. Methods: This single-center retrospective study aimed to compare patients with newly diagnosed AML receiving VEN plus AZA as induction therapy (n = 27) to those receiving the conventional I3A7 regimen as induction therapy (n = 34). Result: The 1-year overall survival, relapse, and non-relapse mortality rates in the two groups were similar. The cytogenetic risks and the hematopoietic cell transplantation-specific comorbidity index are the most significant predictive factors of overall survival. Conclusion: In older patients unfit for intensive chemotherapy, a low-intensity regimen with VEN plus AZA is a suitable bridge therapy. Furthermore, allo-HSCT is feasible and can be a curative option.
Chen et al. (Thu,) studied this question.