Lancet:醋酸甲羟孕酮、宫内节育器或乙羟基二降孕甾烯炔酮避孕人群的HIV感染风险

2019-07-26 MedSci MedSci原创

研究发现,采用注射醋酸甲羟孕酮、宫内节育器或乙羟基二降孕甾烯炔酮避孕人群的HIV感染风险无显著差异

观察和实验室研究表明,一些激素避孕方法,特别是肌肉注射醋酸甲羟孕酮(DMPA-IM),可能会增加妇女艾滋病毒的易感性。近日研究人员比较了DMPA-IMA、一种铜的宫内节育器(IUD)和乙羟基二降孕甾烯炔酮(LNG)植入物对HIV高发地区女性的避孕及预防感染的效果。

研究在埃斯瓦蒂尼、肯尼亚、南非和赞比亚开展, 16-35岁的HIV血清阴性妇女参与,随机每3个月注射一次150 mg/mL DMPA-IM,每3个月进行一次铜IUD或LNG植入物。主要终点是发生HIV感染

7829名妇女被随机分配到DMPA-IM组(n=2609)、铜IUD组(n=2607)或LNG植入组(n=2613)。7715名(99%)受试者被纳入意向治疗人群(DMPA-IM组2556名,铜IUD组2571人,LNG植入组2588名)随访10409个后续随访年中。发生397例HIV感染, (发病率3.81/100女性-年:DMPA-IM组143例(36%;4.19/100妇女-年),铜IUD组138例(35%;3.94/100妇女年),LNG植入组116例(29%;3.31/100妇女-年)。在改进的意向-治疗分析中,与铜IUD相比,DMPA-IM感染HIV的危险比为1.04,DMPA-IM与LNG植入物相比为1.23, 铜IUD组与LNG植入组相比为1.18。12名妇女在研究中死亡:DMPA-IM组6例,铜IUD组5例,LNG植入组1例。DMPA-IM组2609名受试者中49名(2%)发生严重不良事件,铜IUD组2607名受试者中92名(4%)发生严重不良事件,LNG植入组2613名受试者中78名(3%)发生严重不良事件。181例(71%)妊娠发生在终止随机分配后。

研究发现,采用注射醋酸甲羟孕酮、宫内节育器或乙羟基二降孕甾烯炔酮避孕人群的HIV感染风险无显著差异。

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    2020-01-22 howi
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    2019-07-28 周虎
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    2019-07-26 122e052cm96暂无昵称

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