重复:JCO:一箭双雕 双膦酸盐治疗绝经后女性骨质疏松还能降低乳腺癌风险?

2017-08-14 吴星 环球医学

当前,有关绝经后女性使用双膦酸盐与乳腺癌风险相关性的研究结论各不相同。2017年7月,发表在《J Clin Oncol.》的一项2004年至2011年的绝经后女性观察性队列研究表明,双膦酸盐用于治疗绝经后女性骨质疏松不会降低乳腺癌发生率。



当前,有关绝经后女性使用双膦酸盐与乳腺癌风险相关性的研究结论各不相同。2017年7月,发表在《J Clin Oncol.》的一项2004年至2011年的绝经后女性观察性队列研究表明,双膦酸盐用于治疗绝经后女性骨质疏松不会降低乳腺癌发生率。

目的:在一个绝经后女性队列中,评价双膦酸盐(BP)使用是否与乳腺癌发病风险降低相关。

方法:该研究纳入参与法国E3N(Etude Epidémiologique auprès de femmes de la Mutuelle Générale de l'Education Nationale)前瞻性队列的64438例绝经后女性,两年1次自我报告问卷的数据与药物费用赔付数据库中的数据项匹配。使用赔付数据库中的数据,确定随访期间暴露于BPs和其他骨质疏松症治疗的使用情况。其他协变量(乳腺癌风险因素、骨质疏松性骨折的临床风险因素,以及骨密度监测)来自于调查问卷。使用Cox比例风险模型,将暴露作为随时间变化的变量,估算乳腺癌的风险比(HRs)。

结果:在平均随访7.2年的时间(2004年至2011年)内,确定了2407例初次原发乳腺癌病例。BPs暴露相关乳腺癌HR为0.98(95% CI,0.85~1.12)。研究者没有发现年龄、体重指数、绝经时长、激素替代疗法的使用、钙补充剂的使用或维生素D补充剂使用相关的效应修正。不同种类BP之间没有异质性,累积剂量、疗程或距离上次使用的时间,没有变化趋势。仅在双膦酸盐初始治疗后1年,观察到乳腺癌风险降低(HR,0.56;95% CI,0.36~0.87),这可能是由于健康筛查偏倚导致。最后,研究者没有发现由雌激素受体或侵入性或原位状态定义的乳腺癌任何HRs变化。

结论:在这项2004年至2011年的绝经后女性观察性队列中,BP用于治疗绝经后女性骨质疏松不会降低乳腺癌发生率。

原始出处:

Fournier A, Mesrine S, Gelot A, et al. Use of Bisphosphonates and Risk of Breast Cancer in a French Cohort of Postmenopausal Women. J Clin Oncol. 2017 Jul 14:JCO2016714337. doi: 10.1200/JCO.2016.71.4337.

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    2018-07-01 lidong40
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    2017-08-27 sjq027
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    2017-08-16 zxxiang

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奥拉帕尼(Olaparib)是一种口服PARP(poly ADP-ribose polymerase)抑制剂。既往已有多项I、II期临床试验证实了PARP抑制剂在转移性乳腺癌、BRCA生殖系突变肿瘤中的疗效。但目前尚无III期随机对照研究的数据支持奥拉帕尼在转移性乳腺癌患者中的临床应用。近期,Pierfranco Conte教授等研究者牵头,一项汇聚了美、英、中、日、韩等多中心合作的、随机、开放的

eLife:阻断蛋白质协同因子:不再依赖激素的新药使乳腺癌获得更高效治疗!

UT西南Simmons癌症中心的研究人员已经表明,当传统疗法停止工作时,一线的分子可以预防乳腺癌的发展。