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Blood:减少蒽环霉素、增加全反式维甲酸剂量,不影响急性早幼粒细胞白血病患儿预后

2018-05-23 MedSci MedSci原创

中心点:用风险适应性疗法治疗儿童APL可获得很高的治愈率。减少蒽环霉素的累积剂量、延长ATRA应用时间,不影响APL患儿预后。摘要:小儿急性早幼粒细胞白血病(APL)是一种罕见的儿童肿瘤,可通过全反式维甲酸(ATRA)和蒽环霉素治愈。但是,迄今为止,大多已发表的临床试验都是使用了高累积剂量的蒽环霉素。Anna Maria Testi等人开展一国际性临床试验(ICC-APL-01),评估减少蒽环霉素

中心点:

用风险适应性疗法治疗儿童APL可获得很高的治愈率。

减少蒽环霉素的累积剂量、延长ATRA应用时间,不影响APL患儿预后。

摘要:

小儿急性早幼粒细胞白血病(APL)是一种罕见的儿童肿瘤,可通过全反式维甲酸(ATRA)和蒽环霉素治愈。但是,迄今为止,大多已发表的临床试验都是使用了高累积剂量的蒽环霉素。Anna Maria Testi等人开展一国际性临床试验(ICC-APL-01),评估减少蒽环霉素、增加ATRA剂量治疗儿童APL的效果。本研究共招募了258位通过分子学或细胞遗传学新确诊的APL患儿/青少年。

根据基础WBC计数(<或≥10x109/L)将患者分层至标准风险组(SR)和高风险组(HR);两组均接受ATRA诱导治疗(25mg/m2/日、持续30天)和3次剂量的蒽环霉素(12mg/m2/剂)。SR组和HR组分别进行两次和三次巩固治疗,所有患者接受低剂量化疗和ATRA循环维持治疗2年。

SR和HR组患者的道诺霉素等剂量的蒽环霉素的累积剂量分别是355mg/m2和405mg/m2,均低于既往研究剂量。97%的患者获得血液学缓解;8名儿童在确诊后2周内死于颅内出血。整个队列的5年总体存活率和无事件存活率分别是94.6%和79.9%;SR组分别是98.4%和89.4%,HR组分别是84.3%和74.2%(p=0.002和0.043)。

本研究数据表明根据风险分层适应性延长ATRA巩固治疗时间,治疗儿童APL可获得高治愈率,并可限制蒽环霉素用量。

原始出处:

Anna Maria Testi,et al.Risk-adapted treatment of acute promyelocytic leukemia: results from International Consortium for Childhood APL. Blood  2018  :blood-2018-03-836528;  doi: https://doi.org/10.1182/blood-2018-03-836528

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    2018-05-25 Jackie Li

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    2018-05-23 1ddf0692m34(暂无匿称)

    学习了.长知识

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