Standard dose anthracycline plus all-trans retinoic acid and arsenic trioxide as induction chemotherapy significantly reduces early death and relapse for high-risk acute promyelocytic leukemia: a single-center real-world analysis.
Kai Shen, Jie Huang, Chenlu Yang, Xiao Shuai, Yong Guo, Liping Xie, Jianjun Li, Yongqian Jia, Yuping Gong, Ting Niu, Hongbing Ma
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引用次数: 0
Abstract
Background: All-trans retinoic acid (ATRA) and arsenic trioxide (ATO) have revolutionized the treatment of acute promyelocytic leukemia (APL). However, the management of high-risk APL has not been conclusively established. The optimal dosage of anthracycline in the induction has long been debated when ATO is added.
Objectives: To explore the management of high-risk APL regarding the optimal dosage of anthracycline in the induction and the predicators of prognosis.
Design: This was a retrospective study in the real-world setting.
Methods: High-risk APL patients defined as white blood cell (WBC) greater than 10 × 109/L who received ATO-based induction regimens were included. Data on clinical characteristics, treatment regimens, and prognosis including early death (ED) and overall survival (OS) were collected from medical records. Risk factors of ED and OS were analyzed.
Results: This research included a total of 130 participants. Fifty (38.5%) patients received ATO+ATRA dual induction plus standard-dose anthracycline (ATO + ATRA + stDNR). Fifty-nine (45.4%) patients received ATO + ATRA with consecutive low-dose anthracycline (ATO + ATRA + ldDNR). Twenty-one (16.2%) patients were treated with ATO and various chemotherapies (ATO + others). Compared with the other two groups, the ATO + ATRA + stDNR group had the lowest ED rate of 4.0% (10.2% and 52.4%, respectively; p < 0.001). Multivariate analysis revealed that age ⩾60 years (odds ratio (OR) = 8.888, 95% confidence interval (CI): 1.126-70.129), prothrombin time (PT) ⩾18 s (OR = 4.749, 95% CI: 1.252-18.007) and WBC ⩾100 × 109/L (OR = 10.591, 95% CI: 1.995-56.232) were independent risk factors for ED. The 5-year OS rates of the three induction groups were 96%, 80%, and 31%, respectively. None of the 48 patients who underwent ATO + ATRA + stDNR induction relapsed, whereas 9.4% (5/53) patients in ATO + ATRA + ldDNR group relapsed, and the relapse rate was 30.0% (3/10) in ATO + others group (p = 0.003). The survival advantage of ATO + ATRA + stDNR was demonstrated by a Cox regression (hazard ratio (HR) = 5.079, 95% CI: 1.071-24.079). WBC ⩾100 × 109/L was correlated with an inferior OS (HR = 3.402, 95% CI: 1.359-8.518).
Conclusion: Compared with low-dose anthracycline, standard-dose anthracycline combined with ATO and ATRA dual induction resulted in excellent outcome for high-risk APL patients.
期刊介绍：
Therapeutic Advances in Hematology delivers the highest quality peer-reviewed articles, reviews, and scholarly comment on pioneering efforts and innovative studies across all areas of hematology. The journal has a strong clinical and pharmacological focus and is aimed at clinicians and researchers in hematology, providing a forum in print and online for publishing the highest quality articles in this area.
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