Lancet:促性激素 vs 氯米芬柠檬酸改善性激素正常的无排卵女性妊娠及活产的效果对比。

2017-12-20 MedSci MedSci原创

在很多国家,氯米芬柠檬酸是治疗促性激素正常的无排卵的女性的首选药物。如果患者接受几个周期的氯米芬柠檬酸治疗后,可正常排卵,但仍不能受孕,常会更换用促性激素治疗,联合或不联合宫内人工授精。Nienke S Weiss等人进行临床试验评估更换用促性激素治疗后,是否比继续用氯米芬柠檬酸的效果更好?宫内人工授精是否比正常性行为效果更高?研究人员进行多中心的随机临床试验,招募年满18岁的促性激素正常的无排卵

在很多国家,氯米芬柠檬酸是治疗促性激素正常的无排卵的女性的首选药物。如果患者接受几个周期的氯米芬柠檬酸治疗后,可正常排卵,但仍不能受孕,常会更换用促性激素治疗,联合或不联合宫内人工授精。Nienke S Weiss等人进行临床试验评估更换用促性激素治疗后,是否比继续用氯米芬柠檬酸的效果更好?宫内人工授精是否比正常性行为效果更高?

研究人员进行多中心的随机临床试验,招募年满18岁的促性激素正常的无排卵的、并且在接受氯米芬柠檬酸治疗(最大剂量150mg/日,持续5天)6个卵巢周期后仍未妊娠的女性。随机分组:促性激素联合宫内人工授精组、促性激素联合正常性行为组、氯米芬柠檬酸联合宫内授精组、氯米芬柠檬酸联合正常性行为组,均为6个疗程。氯米芬柠檬酸 50-150mg/日 口服,促性激素起始剂量50或75IU/日 皮下注射。主要评估指标是随机分组后8个月内妊娠和妊娠24周以上的活产。

2008年12月8日-2015年12月16日,共招募666位女性:促性激素联合宫内人工授精组166人、促性激素联合正常性行为组165人、氯米芬柠檬酸联合宫内授精组163人、氯米芬柠檬酸联合正常性行为组172人。接受促性腺激素治疗的女性比接受氯米芬柠檬酸的女性活产数更多(167[52%]/327 vs 138[41%]/334,相对风险[RR]1.24[95% CI 1.05-1.46];p=0.0124)。人工授精不会比正常性行为增加活产量(161[49%]vs144[43%],RR 1.14[95% CI 0.97–1.35]; p=0.1152)。各种处理的多胎妊娠率没有差别。不良事件:一新生儿有先天缺陷、两位用氯米芬柠檬酸治疗的女性出现死产、一用促性腺激素治疗的女性因宫颈机能不全发生早产。

促性激素正常的无排卵的且用氯米芬柠檬酸失败的女性,更换为促性激素治疗可提高活产的机会;尚无证据表明宫内授精有增加妊娠提高活产量的效应。

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    2018-07-01 howi
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    2018-06-13 hxzhang
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