JCO:“砒霜”可减少急性早幼粒细胞白血病中蒽环类药物剂量

2017-08-03 xuyihan MedSci原创

众所周知三氧化二砷(ATO)已成为白血病治疗的有效成分。近日在JCO上发表的一篇文章则通过新诊断的儿童急性早幼粒细胞白血病(APL)儿童肿瘤学组AAML0631试验的一项III期历史对照试验,来确定接受ATO巩固和减少剂量蒽环类药物治疗的患者的生存率。

众所周知三氧化二砷(ATO)已成为白血病治疗的有效成分。近日在JCO上发表的一篇文章则通过新诊断儿童急性早幼粒细胞白血病(APL)儿童肿瘤学组AAML0631试验的一项III期历史对照试验,来确定接受ATO巩固和减少剂量蒽环类药物治疗的患者的生存率。

该研究纳入通过PML-RARα 聚合酶链式反应确定的2-21岁的APL患者,并以白细胞计数为基础分为标准风险组(SR)和高风险组(HR)。所有患者在诱导、巩固疗程和维持期间均接受全反式维甲酸(ATRA)治疗。所有患者在巩固1疗程接受两个周期的ATO治疗,额外2个(SR)或3个(HR)包括大剂量阿糖胞苷和蒽环类药物的巩固疗程,维持治疗包括ATRA、口服甲氨蝶呤和巯嘌呤。

结果显示共101例患者(66例SR和35例HR)可评估结果。3年总生存率为94%,无事件生存期(EFS)为91%。对SR和HR的APL患者,总体生存率分别为98%v86%(P=0.003),EFS分别为95%v83%(P=0.03)。在AAML0631的SR患者其EFS不低于AIDA0493历史对照组,该对照组使用明显高剂量的蒽环类药物且没有ATO巩固治疗。AAML0631组患者ATO巩固1疗程后3年复发率仅为4%,且在SR和HR患者之间没有明显差异。

该研究结果显示ATO巩固疗程在小儿APL患者中耐受性良好,可明显减少蒽环类药物的累计剂量,而对SR和HR的APL患者保持良好的生存率和低复发风险。

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    2018-06-03 lidong40
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    2017-08-05 hittouch
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