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Outcome of older (≥70 years) APL patients frontline treated with or without arsenic trioxide-an International Collaborative Study.
Leukemia ( IF 11.4 ) Pub Date : 2020-02-19 , DOI: 10.1038/s41375-020-0758-4
Sabine Kayser 1, 2, 3 , Ramy Rahmé 4 , David Martínez-Cuadrón 5, 6 , Gabriel Ghiaur 7 , Xavier Thomas 8 , Marta Sobas 9 , Agnes Guerci-Bresler 10 , Ana Garrido 11 , Arnaud Pigneux 12 , Cristina Gil 13 , Emmanuel Raffoux 4 , Mar Tormo 14 , Norbert Vey 15 , Javier de la Serna 16 , Olga Salamero 17 , Eva Lengfelder 18 , Mark J Levis 7 , Pierre Fenaux 4 , Miguel A Sanz 5, 6 , Uwe Platzbecker 1 , Richard F Schlenk 3, 19 , Lionel Adès 4 , Pau Montesinos 5, 6
Affiliation  

Data on outcome in older (≥70 years) patients with acute promyelocytic leukemia after treatment with arsenic trioxide (ATO) compared with standard chemotherapy (CTX) is scarce. We evaluated 433 patients (median age, 73.4 years) treated either with ATO+ all-trans retinoic acid (ATO/ATRA; n = 26), CTX/ATRA + ATO during consolidation (CTX/ATRA/ATO; n = 148), or with CTX/ATRA (n = 259). Median follow-up for overall survival (OS) was 4.8 years. Complete remissions (CR) were achieved in 92% with ATO/ATRA and 82% with CTX/ATRA; induction death rates were 8% and 18%, respectively. For analysis of postremission outcomes we combined the ATO/ATRA and CTX/ATRA/ATO groups (ATO/ATRA ± CTX). Cumulative incidence of relapse (CIR) was significantly lower after ATO/ATRA ± CTX compared with CTX/ATRA (P < 0.001). The same held true when restricting the analysis according to the treatment period after the year 2000. OS of patients in CR1 was not different between ATO/ATRA ± CTX compared with CTX/ATRA (P = 0.20). High (>10 × 109/l) white blood cell (WBC) counts at diagnosis were associated with higher CIR (P < 0.001) compared with lower WBC in the CTX/ATRA group, but not in the ATO/ATRA ± CTX group (P = 0.48). ATO, when added to ATRA or CTX/ATRA is feasible and effective in elderly patients for remission induction and consolidation, particularly in patients with high WBC at diagnosis.

中文翻译:

老年(≥70 岁)APL 患者一线接受或不接受三氧化二砷治疗的结果——一项国际合作研究。

与标准化疗 (CTX) 相比,三氧化二砷 (ATO) 治疗后老年(≥70 岁)急性早幼粒细胞白血病患者的结果数据很少。我们评估了 433 名患者(中位年龄,73.4 岁)在巩固期间接受了 ATO+ 全反式维甲酸(ATO/ATRA;n = 26)、CTX/ATRA + ATO(CTX/ATRA/ATO;n = 148)或与 CTX/ATRA (n = 259)。总生存期 (OS) 的中位随访时间为 4.8 年。92% 的 ATO/ATRA 和 82% 的 CTX/ATRA 实现了完全缓解 (CR);诱导死亡率分别为 8% 和 18%。为了分析缓解后的结果,我们结合了 ATO/ATRA 和 CTX/ATRA/ATO 组 (ATO/ATRA ± CTX)。与 CTX/ATRA 相比,ATO/ATRA ± CTX 后的累积复发率 (CIR) 显着降低 (P < 0.001)。根据 2000 年之后的治疗期限制分析时也是如此。与 CTX/ATRA 相比,CR1 患者的 OS 在 ATO/ATRA ± CTX 之间没有差异(P = 0.20)。与 CTX/ATRA 组中较低的 WBC 相比,诊断时高 (>10 × 109/l) 的白细胞 (WBC) 计数与较高的 CIR (P < 0.001) 相关,但在 ATO/ATRA ± CTX 组中不相关( P = 0.48)。ATO,当添加到 ATRA 或 CTX/ATRA 中时,对于老年患者的缓解诱导和巩固是可行和有效的,特别是在诊断时 WBC 较高的患者中。001)与 CTX/ATRA 组中较低的 WBC 相比,但在 ATO/ATRA ± CTX 组中没有(P = 0.48)。ATO,当添加到 ATRA 或 CTX/ATRA 中时,对于老年患者的缓解诱导和巩固是可行和有效的,特别是在诊断时 WBC 较高的患者中。001)与 CTX/ATRA 组中较低的 WBC 相比,但在 ATO/ATRA ± CTX 组中没有(P = 0.48)。ATO,当添加到 ATRA 或 CTX/ATRA 中时,对于老年患者的缓解诱导和巩固是可行和有效的,特别是在诊断时 WBC 较高的患者中。
更新日期:2020-02-19
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