Pharmacoepidemiol Drug Saf:预防乳腺癌的潜力股——双膦酸盐

2017-11-02 王淳 环球医学

双膦酸盐是一类通过抑制破骨细胞活性、抑制骨质吸收,从而保护骨组织的药物。既往研究已表明双膦酸盐在治疗和预防骨质疏松和骨骼相关并发症方面有长期益处。2017年10月,发表在《Pharmacoepidemiol Drug Saf》的一项由我国台湾科学家进行的系统评价和meta分析,考察了使用双膦酸盐能否降低乳腺癌风险。

双膦酸盐是一类通过抑制破骨细胞活性、抑制骨质吸收,从而保护骨组织的药物。既往研究已表明双膦酸盐在治疗和预防骨质疏松和骨骼相关并发症方面有长期益处。2017年10月,发表在《Pharmacoepidemiol Drug Saf》的一项由我国台湾科学家进行的系统评价和meta分析,考察了使用双膦酸盐能否降低乳腺癌风险。

目的:为了总结双膦酸盐和乳腺癌风险之间相关性的当前证据,研究人员对观察性研究进行了系统评价和meta分析来探讨这个问题。

方法:研究人员对PubMed、EMbase和Cochrane图书馆进行了综合检索,使用随机效应模型计算汇总风险比(RR)及95%置信区间(CI)。

结果:双膦酸盐的使用与乳腺癌风险降低16%相关(汇总RR,0.84;95% CI,0.77~0.90;n=8)。队列研究(RR,0.85;95% CI,0.80~0.90;n=4)和病例-对照研究(0.78;0.64~0.96;n=4)中发现,双膦酸盐具有保护作用。研究人员也发现,双膦酸盐的使用使得所有乳腺癌风险(RR,0.87;95% CI,0.81~0.93)降低具有统计学显着性差异,侵袭性乳腺癌风险(RR,0.78;95% CI,0.68~0.91)和对侧乳腺癌风险(RR,0.41;95% CI,0.20~0.84)降低更多。对于双膦酸盐类型,阿仑膦酸钠和依替膦酸钠的乳腺癌风险降低显着。短期使用双膦酸盐(<1年)无显着性改变(RR,0.93;95% CI,0.86~1.00),但是长期使用(>1年)者的乳腺癌风险显着降低26%(RR,0.74;95% CI,0.66~0.83)。

结论:研究结果支持了双膦酸盐可有效预防乳腺癌,包括侵袭性和对侧乳腺癌。此外,长期使用(>1年)双膦酸盐在降低乳腺癌风险上更显着。

原始出处

Ou YJ1, Chiu HF, Wong YH, et al. Bisphosphonate use and the risk of breast cancer: a meta-analysis of observational studies. Pharmacoepidemiol Drug Saf. 2017 Oct;26(10):1286-1295. doi: 10.1002/pds.4302. Epub 2017 Aug 31.

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    2018-06-17 jj000001
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    2018-06-08 爆笑小医
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    2017-11-15 yb6560

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