ArticleBlood and lymphatic cancer : targets and therapy2024
Highly Curative Treatment of High-Risk Acute Promyelocytic Leukemia: Induction and Consolidation with ATRA+ATO+anthracyclines and Maintenance with ATRA+RIF.
Article in Blood and lymphatic cancer : targets and therapy, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: The aim of the study was to evaluate the efficacy and safety of induction and consolidation with all-trans retinoic acid (ATRA) +arsenic trioxide (ATO) +anthracyclines and maintenance with ATRA +Realgar- Methods: Twenty-one patients with high-risk APL treated with ATRA+ATO+ anthracyclines for induction and consolidation and ATRA+RIF for maintenance from 2012 to 2021 were analyzed. Endpoints include morphological complete remission (CR) and complete molecular remission (CMR), early death (ED) and relapse, survival and adverse events (AEs). Results: After induction treatment, all 21 patients (100%) achieved morphological CR and 14 people (66.7%) achieved CMR. Five of the 21 patients did not undergo immunological minimal residual disease (MRD) examination after induction; however, 14 of the remaining 16 patients were MRD negative (87.5%). The median time to achieve CR and CMR was 26 days (range: 16-44) and 40 days (range: 22-75), respectively. The cumulative probability of achieving CR and CMR in 45 days was 100% and 76.2% (95% CI: 56.9-91.3%), respectively. All patients achieved CMR and MRD negativity after the three courses of consolidation treatment. The median follow-up was 66 months (25-142), with no central nervous system relapse and bone marrow morphological or molecular relapse until now, and all patients survived with 100% overall survival and 100% event-free survival. Grade 4 adverse events (AEs) were observed in 3 patients (14.3%) during the induction period including arrhythmia (n = 1), pulmonary infection (n = 1) and respiratory failure (n = 1); and the most frequent grade 3 AEs were pulmonary infection, accounting for 62.0% and 28.6%, respectively, during induction and consolidation treatment, followed by neutropenia, accounting for 42.9% and 38.1%, respectively. Conclusion: For newly diagnosed high-risk APL patients, induction and consolidation with ATRA+ATO+anthracyclines and maintenance with ATRA+RIF is a highly curative treatment approach.
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