J Natl Cancer Inst:雌孕激素联合治疗会增加ER+乳腺癌的风险

2016-01-15 Seven L 译 MedSci原创

先前有关于绝经后白人女性的观察性研究和随即试验表明,雌激素和孕激素联合治疗会导致雌激素受体阳性(ER+)乳腺癌风险增加。但是对于非裔美国女性是否同样存在该风险目前并不知道。因此研究者对1132例ER+和512例ER-的乳腺癌患者以及6693名对照参与者进行了一项研究,探究单独使用雌激素和联合治疗比较,对绝经后非裔美国女性ER+或ER-乳腺癌风险的影响。对照组中有57%的女性使用过单独雌激素或联合治

先前有关于绝经后白人女性的观察性研究和随机试验表明,雌激素和孕激素联合治疗会导致雌激素受体阳性(ER+)乳腺癌风险增加。但是对于非裔美国女性是否同样存在该风险目前并不知道。因此研究者对1132例ER+和512例ER-的乳腺癌患者以及6693名对照参与者进行了一项研究,探究单独使用雌激素和联合治疗比较,对绝经后非裔美国女性ER+或ER-乳腺癌风险的影响。

对照组中有57%的女性使用过单独雌激素或联合治疗或两种方案均使用过。联合治疗女性与从没有使用过单独雌激素或联合治疗的女性相比,ER+乳腺癌风险OR=1.50 (95% CI = 1.25 to 1.79);以下情况会使风险进一步增加:近期使用(OR = 1.55, 95% CI = 1.21 to 1.99),长期使用(OR = 1.75, 95% CI = 1.13 to 2.73),非肥胖型女性(OR = 1.91, 95% CI = 1.29 to 2.83)。更年期发作与开始联合治疗之间的间歇时间不管长短,联合治疗均会增加乳腺癌风险:间隔<5年 OR = 1.43, 95% CI = 1.11 to 1.85,间隔≥5年 OR = 1.78, 95% CI = 1.34 to 2.37。不过联合治疗不会增加ER-乳腺癌风险,单独雌激素治疗也不会增加ER+或ER-乳腺癌风险。

研究结果表明,雌激素和孕激素联合治疗会增加绝经后非裔美国女性乳腺癌风险,如果减少联合治疗人数,理论上可以减少ER+乳腺癌患者。

原始出处:

Rosenberg L, Bethea TN,et al.Postmenopausal Female Hormone Use and Estrogen Receptor-Positive and -Negative Breast Cancer in African American Women.J Natl Cancer Inst. 2015 Nov 26;108(4).


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    2016-08-02 1dd8c52fm63(暂无匿称)

    学习以下!

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    2016-02-01 liye789132251
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    2016-06-28 drj2003
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    2016-08-19 qidongfanjian
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    2016-01-22 惜言

    0

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