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Zhongguo Shi Yan Xue Ye Xue Za Zhi ; 29(4): 1071-1079, 2021 Aug.
Artigo em Chinês | MEDLINE | ID: mdl-34362484


OBJECTIVE: To compare the efficacy and safety of different doses of daunorubicin combined with a standard dose of cytarabine as induction chemotherapy in newly diagnosed primary acute myeloid leukemia (AML) patients. METHODS: The clinical data and outcome were retrospectively analyzed in 86 newly diagnosed primary AML patients who were under 65 years old and treated with daunorubicin combined with cytarabine (DA regimen) at West China Hospital of Sichuan University from January 2017 to June 2019. Patients were divided into 2 groups based on the dose of daunorubicin they received, 35 cases in the escalated-dose group ï¼»75 mg/(m2·d)ï¼½ and 51 cases in the standard-dose group ï¼»60 mg/(m2·d)ï¼½. And then the effects of different doses of daunorubicin on complete remission (CR) rate, minimal residual disease (MRD)-negative CR rate, relapse-free survival (RFS), overall survival (OS), and adverse events were analyzed. RESULTS: Median follow-up time of all the patients was 15 months. The CR rate and MRD- CR rate of the escalated-dose group was 88.5% and 71.4%, respectively, which were higher than 64.7% and 41.2% of the standard-dose group (P=0.029, P=0.008). The estimated 2-year RFS of the escalated-dose group was 68.4%, which was higher than 38.5% of the standard-dose group (P=0.015), but estimated 2-year OS showed no statistically significant difference (77.1% vs 66.7%, P=0.059), as well as grade 3-4 adverse events. The escalated dose of daunorubicin had prolonged RFS (13 months vs not reached, P=0.022) and OS (23 months vs not reached, P=0.029) in the FLT3-ITD- AML patients. CONCLUSION: The escalated dose of daunorubicin can induce higher complete remission rate, deeper remission and longer duration of remission without increasing adverse events in newly diagnosed primary AML patients.

Daunorrubicina , Leucemia Mieloide Aguda , Idoso , Protocolos de Quimioterapia Combinada Antineoplásica , Citarabina/uso terapêutico , Humanos , Quimioterapia de Indução , Leucemia Mieloide Aguda/tratamento farmacológico , Indução de Remissão , Estudos Retrospectivos