Lancet:山东大学生殖医学原创研究成果——体外受精冷冻单个囊胚移植与新鲜单囊胚移植的比较

2019-03-09 佚名 山东大学

近日,山东大学陈子江教授团队的又一项全国多中心前瞻性随机对照临床研究,以原创研究文章形式在国际著名医学期刊《柳叶刀》杂志(影响因子:53.254)发表,题为“体外受精冷冻单个囊胚移植与新鲜单囊胚移植的比较” 。

近日,山东大学陈子江教授团队的又一项全国多中心前瞻性随机对照临床研究,以原创研究文章形式在国际著名医学期刊《柳叶刀》杂志(影响因子:53.254)发表,题为“体外受精冷冻单个囊胚移植与新鲜单囊胚移植的比较” 。《柳叶刀》杂志同期发表了美国生殖医学协会(ASRM)主席ChristosCoutifaris教授的专题评论,全面总结了山东大学领衔的关于“全胚冷冻策略”(Freeze-onlystrategy)一系列研究成果,前两项研究于2016年和2018年已发表于医学顶级期刊《新英格兰医学杂志》,充分肯定了该团队的系列研究成果对国际生殖医学临床决策的重要贡献。

“试管婴儿”过程中的胚胎移植策略,是临床生殖领域的重要研究热点,关系到辅助生殖技术的成功、胎儿的正常发育、母亲的围产期安全、子代的近期和远期的健康。近年广泛应用的“全胚冷冻策略”(Freeze-onlystrategy)提出了新的胚胎移植理念,即冷冻全部的胚胎,避免在促排卵的高雌激素环境移植,择期在生理周期移植解冻复苏的胚胎,但这个方案一直缺少高质量的循证证据和临床结局观察,存在很大的争议。陈子江教授近年来组织了多项全国多中心的随机对照临床研究,以充足的样本量、严谨的设计和实施、详实可靠的数据,论证和分析了不同人群冷冻胚胎移植和新鲜周期移植的结局,获得了宝贵的临床研究结果,前两项研究的结果连续在《新英格兰医学杂志》发表,在国内外产生重大的影响,为全球同行多次引证,被国际权威专家高度评价,并为国内生殖医学界的临床研究培训了一批优秀的人才队伍,使中国跻身于国际临床研究的前列地位。

近年来随着“试管婴儿”体外囊胚培养技术的迅速发展,单胚胎移植观念的日益普及,单囊胚移植策略迅速引起了广泛热议和推荐,应该怎样在临床精准应用,有哪些人群获益,与传统移植方案比较其性价比和安全性如何?因为缺少充分和系统的科学结果,国际上的临床应用仍存在一定的疑虑和限制,急需基于循证证据的高质量大规模的临床应用研究分析。

山东大学陈子江教授紧密跟踪国际国内的热点问题,与国际知名专家宾州立大学RichardSLegro教授与耶鲁大学张和平教授合作,成立了学术指导委员会,精心制定了“冷冻与新鲜单囊胚移植的有效性与安全性研究”方案,联合南京医科大学第一附属医院(江苏省人民医院)、上海交通大学医学院附属仁济医院、广西壮族自治区妇幼保健院等21家临床中心,共纳入接受体受精-胚胎移植(试管婴儿)治疗的1650例不孕受试者。该研究的参与中心数之多、样本量之大、实施质量之高,在国内外相关研究中并不多见,受到国际同行的肯定。研究结果提示:与传统的新鲜单囊胚移植比较,全胚冷冻后的单囊胚移植可显著提高胚胎着床率、妊娠率及活产率,以及单胎新生儿的出生体重,显著改善了“试管婴儿”的母婴安全和临床结局,为单囊胚移植策略提供了极具价值的循证依据。但是同时也观察到冷冻复苏单囊胚移植的母亲子痫前期风险也伴随略有增加,这也给该方案的临床应用提出了重要警示,给胚胎培养和低温冷冻技术提供了更为广阔和深刻的研究探索空间。

该研究的成果被《柳叶刀》杂志刊登,标志着陈子江教授率领的山东大学及全国多中心研究团队,在生殖医学临床研究的丰硕成果上又创新高,结束了我国该领域长期以来依赖国外医学循证证据的历史,正如哈佛大学医学院妇产科和生殖生物学主任RobertL.Barbieri教授对其的评价:中国已经成为国际临床研究的引领者。

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    2020-08-08 1240394fm61暂无昵称

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    2019-05-22 howi
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