Hum Reprod:开始IVF的女性:个体化vs标准化FSH给药

2017-12-29 吴星 环球医学

2017年12月,发表于《Hum Reprod》上的一项由荷兰、比利时和澳大利亚科学家进行的随机对照试验,比较了开始IVF的女性个体化和标准化FSH给药对累积活产出生率的影响。

2017年12月,发表于《Hum Reprod》上的一项由荷兰、比利时和澳大利亚科学家进行的随机对照试验,比较了开始IVF的女性个体化和标准化FSH给药对累积活产出生率的影响。

研究问题:在预测卵巢应答较差、低窦卵泡计数(AFC)、计划进行IVF或ICSI的女性中,FSH剂量增加会收获较高的累积活产出生率吗?

答案总结:正在进行IVF/ICSI的预测卵巢应答较差(AFC<11)的女性中,与标准剂量(150IU/d)相比,FSH剂量的增加(225/450 IU/d)并不能改善累积活产出生率。

已经知道了什么:计划进行IVF/ICSI的女性中,卵巢储备功能试验(ORT)可预测卵巢对刺激的应答。由于具有可改善活产出生率的观点,临床通常会基于ORT结果调整FSH起始剂量。然而,多数现有RCT并未表现出获益,且效力不足。

研究设计、规模、时间:2011年5月~2014年5月,研究者进行了一项开放标签多中心RCT,研究对象为AFC<11的女性。首要结局为随机分组后的18个月内妊娠和活产。研究者预计纳入300名女性来评估增加剂量的策略是否可将累积活产出生率从25%增加至40%(双侧检验,α=0.05;检验效能,80%)。

参与者/材料、地点、方法:AFC≤7的女性随机分配到450IU/d或150IU/d的FSH剂量组中,AFC为8~10的女性随机分配到225IU/d或150IU/d的组中。标准组中,基于预先设定的标准,在随后的周期中允许剂量调整。以意愿治疗视角评估了策略的有效性和成本效益。

主要结果和偶然因素的作用:总体来说,随机分组了511例患者,234例的AFC≤7,277例的AFC为8~10。增加vs标准剂量的累积活产出生率为42.4%(106/250)vs 44.8%(117/261)(RR,0.95;95% CI,0.78~1.15;P=0.58)。由于增加剂量策略更昂贵(△成本/女性:€1099;95% CI,562~1591),因此标准FSH剂量为研究者经济分析中的优势策略。

结果更广泛的影响:由于预测应答较差(AFC<11)的计划IVF/ICSI的女性中增加剂量不改善活产率且更加昂贵,研究者推荐这些女性使用150 IU/d的标准剂量。

原始出处:

van Tilborg TC,et al. Individualized versus standard FSH dosing in women starting IVF/ICSI: an RCT. Part 1: The predicted poor responder. Hum Reprod. 2017 Dec 1;32(12):2496-2505. doi: 10.1093/humrep/dex318.

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    2017-12-31 yeaweam
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    2017-12-31 sunylz
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    2017-12-29 hhh678

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多囊女最明显的表现,就是男性化体征。水桶腰、多毛、长痘、皮肤褶皱处发黑,似乎总也洗不干净,即便是普通人也可以判断出来。傍晚六点半,北京妇产医院内分泌科门诊依旧还有不少患者就诊。阮祥燕主任告诉记者,在这一天的门诊量中,120多个患者,大概得有60多位都是因为多囊卵巢综合征前来就诊。“对年轻的多囊卵巢综合征患者来说,最大的危害之一就是不孕。”阮祥燕主任介绍,“长期慢性雄激素水平上升,还会导致一系列代谢