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JCO:诺乙雄龙可以明显提高老年AML患者的生存获益(GOELAMS 研究)

2016-10-31 MedSci MedSci原创

AML:急性骨髓性白血病,是一种骨髓性白细胞(而非淋巴性白细胞)异常增殖的血癌。其特点是骨髓内异常细胞的快速增殖而影响了正常血细胞的产生。急性骨髓性白血病是成年人最常见的急性白血病,其发病率随着人的年龄而增加。近日,JCO发表研究文章,旨在探讨使用雄激素是否能够提高老年AML患者的生存获益。老年急性骨髓性白血病(AML)患者常伴有预后不良,而创新性的维持治疗可以明显改善患者预后。用于治疗再生障碍性

AML:急性骨髓性白血病,是一种骨髓性白细胞(而非淋巴性白细胞)异常增殖的血癌。其特点是骨髓内异常细胞的快速增殖而影响了正常血细胞的产生。急性骨髓性白血病是成年人最常见的急性白血病,其发病率随着人的年龄而增加。

近日,JCO发表研究文章,旨在探讨使用雄激素是否能够提高老年AML患者的生存获益。

老年急性骨髓性白血病(AML)患者常伴有预后不良,而创新性的维持治疗可以明显改善患者预后。用于治疗再生障碍性贫血的雄激素已被证实可以阻断AML细胞的增殖和启动AML细胞的分化。

研究者进行了一项多中心,三期,随机开放性的临床试验,以探究在维持治疗中添加雄激素对于60岁及以上的老年AML患者的生存获益。

该研究入组330例新发或进行放化疗后继发患者,分组前均采用 伊达比星 8mg/m2 day 1-5,阿糖胞苷 100mg/m2 day1-7,洛莫司汀 200mg/m2 day 1的方案进行诱导治疗。完全或部分缓解的患者再进行6周期的序贯诱导治疗,方案为伊达比星 8mg/m2 day 1,阿糖胞苷 100mg/m2 day1-5。随后,将这些患者分为A(165人),B(165人)两组,均采用巯嘌呤加甲氨蝶呤的方案进行维持治疗两年,区别为A组根据患者体重每天再使用10或20mg诺乙雄龙(norethandrolone),而B组不使用。试验以DFS(无病生存期)为主要研究终点,以EFS(无事件生存期),OS(总生存期)和安全性为次要研究终点。

试验中共有247位患者(76%)达到完全缓解或部分缓解。Schoenfeld时间依赖型模型显示,诺乙雄龙可明显增加诱导治疗1年后仍有缓解的患者生存率。两组患者的五年DFS分别为A组31.2%,B组16.2%;EFS分别为A组21.5%,B组12.9%;OS分别为A组26.3%,B组17.2%。结果表明,使用诺乙雄龙可以改善所有与预后相关的结果因素,只有基线白细胞水平大于30×109/L的患者不能获益。

由此可见,在维持治疗中使用诺乙雄龙可以在不增加毒性风险的情况下明显改善老年AML患者的生存获益。

原始出处:

Pigneux A, Béné M C, Guardiola P, et al. Addition of Androgens Improves Survival in Elderly Patients With Acute Myeloid Leukemia: A GOELAMS Study[J]. Journal of Clinical Oncology, 2016: JCO676213. 

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    2017-07-18 lidong40
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    2017-07-14 lxg951
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