Hum Reprod:人工授精治疗不孕症:卵泡刺激素vs枸橼酸克罗米酚

2018-11-20 吴星 环球医学网

发表于《Hum Reprod》上的一项随机对照试验,考察了卵泡刺激素(FSH)vs 枸橼酸克罗米酚(CC)用于宫内人工授精(IUI)治疗原发性不孕症的效果。

发表于《Hum Reprod》上的一项随机对照试验,考察了卵泡刺激素(FSH)vs 枸橼酸克罗米酚(CC)用于宫内人工授精(IUI)治疗原发性不孕症的效果。

研究问题:FSH或CC是目前原发性不孕症夫妇接受IUI的最有效刺激方案?需要遵守严格的取消标准以减少多胎妊娠的数量。

总结答案:在遵循严格取消标准的IUI中,FSH卵巢刺激的累积妊娠率不优于CC,并且产生类似的、较低的多胎妊娠率。

已知:FSH的妊娠率高于CC,但其代价是较高的多胎妊娠率。为减少多胎妊娠风险,提出新的卵巢刺激方案,包括严格终止授精的标准以限制每个周期卵泡的数量,例如当出现3个以上优势卵泡停止授精。在这样的策略下,目前尚不清楚FSH还是CC进行卵巢刺激效果更好。

研究设计、规模和持续时间:研究者在荷兰开展一项开放标签的多中心随机优势对照试验(NTR 4057)。

受试者/材料、地点、方法:研究者将诊断为原发性不孕症夫妇随机分配,并安排最多4个周期的FSH 75 IU或CC 100 mg卵巢刺激的IUI。当出现3个以上优势卵泡时停止授精。主要结局是累积妊娠率。多胎妊娠是次要结局。研究者对意向治疗数据进行分析,计算了相对风险和绝对风险差值及95%CI。

主要结局指标:2013年7月至2016年3月间,研究者将369名女性分配到FSH卵泡刺激组,369名分配至CC卵泡刺激组。113名女性(31%)在接受FSH卵巢刺激后怀孕,97名女性(26%)在接受CC卵巢刺激后怀孕(RR:1.16,95%CI:0.93~1.47;ARD:0.04,95%CI:-0.02~0.11)。5名女性(1.4%)在接受FSH卵巢刺激后发生多胎妊娠,8名女性(2.2%)在接受CC卵巢刺激后发生多胎妊娠(RR:0.63,95%CI:0.21~1.89;ARD:-0.01,95%CI:-0.03~0.01)。

局限性:由于干预的性质无法对本研究设盲。但研究者认为这不大可能导致优效偏差,因为妊娠结局是客观结局。

意义:遵循严重的终止授精的标准能成功减少IUI中多胎妊娠数量。要决定卵巢刺激方案中选择FSH还是CC,还应考虑成本和患者偏好。

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    2018-11-22 sunylz
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    2018-11-20 一天没事干

    很好的学习机会

    0

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