JAMA:9价HPV疫苗在男孩和女孩接种2次与妇女接种3次的免疫原性比较

2016-11-23 xing.T MedSci原创

在9-14岁的男孩和女孩时隔6个月或12个月进行2次接种9价HPV疫苗的方案在最后一次接种4周后的免疫原性不劣于在青春期女孩和年轻妇女中进行3次接种的方案。评估抗体应答反应的持久性和对临床预后的影响需要进一步的研究。

人乳头状瘤病毒(HPV)感染可引起肛门生殖器疣和癌症。9价HPV疫苗(能预防HPV6、11、16、18、31、33、45、52和58九种类型HPV)能够对引起90%宫颈癌的7种高危的HPV和引起90%生殖器疣的其他2型HPV发挥预防作用。近日,权威医学期刊JAMA上发表了一篇来自挪威卑尔根大学医院妇产科的Ole-Erik Iversen博士及其团队的研究文章,旨在明确9~14岁女孩和男孩接种2次的9价HPV疫苗与16-26岁的青春期女孩和年轻女性接种3次的9价HPV疫苗相比,HPV类型特异性抗体应答反应有无优劣。

该研究为分组公开、非劣效性、免疫原性试验,并从2013年12月16日开始至2015年6月19日纳入最后一个参与者,该研究在15个国家的52个流动医疗服务网点进行,共包含了五个研究队列:(1)9-14岁女孩时隔6个月接种2次(n=301);(2)9-14岁男孩时隔6个月接种2次(n=301);(3)9-14岁的男孩和女孩时隔12个月接种2次(n=301);(4)9-14岁女孩在6个月内接种3次(n=301);(5)对照组为:16-26岁的青春期女孩和年轻女性在6个月内接种3次(n=314)。

该研究的干预措施为9价HPV疫苗时隔6个月或12个月进行2次接种或在6个月进行3次接种。预设的主要评价指标为最后一次接种一个月后使用竞争性免疫分析各型HPV的抗体应答反应。以抗体几何平均滴度比0.67作为非劣效性界值,将接受2次接种方案的3个组逐一与在青春期女孩和年轻妇女接受3次接种的标准方案进行比较。

该研究共纳入了1518名参与者(其中753名女孩[平均年龄为11.4岁];451名男孩[平均年龄为11.5岁];314名青春期女孩和年轻妇女[平均年龄为21岁]),1474名参与者完成了试验,并对其中1377名参与者的数据进行了分析。在最后一次接种4周后,进行2次接种的女孩和男孩体内的HPV抗体应答反应不劣于进行3次接种的青春期女孩和年轻妇女(各型HPV比较的P<0.001)。相比于在6个月内接种3次的青春期女孩和年轻妇女,最后一次9价HPV疫苗接种1个月后,HPV抗体几何平均滴度比的单侧97.5%可信区间在时隔6个月接种2次的女孩从1.36~∞到2.50~∞;在时隔6个月接种2次的男孩从1.37~∞到2.55~∞;在时隔12个月接种2次的青春期女孩和年轻妇女从1.61~∞到5.36~∞。

由此可见,在9-14岁的男孩和女孩时隔6个月或12个月进行2次接种9价HPV疫苗的方案在最后一次接种4周后的免疫原性不劣于在青春期女孩和年轻妇女中进行3次接种的方案。评估抗体应答反应的持久性和对临床预后的影响需要进一步的研究。

原始出处:


Ole-Erik Iversen, et al. Immunogenicity of the 9-Valent HPV Vaccine Using 2-Dose Regimens in Girls and Boys vs a 3-Dose Regimen in Women. JAMA.November 21,2016. 

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  2. [GetPortalCommentsPageByObjectIdResponse(id=2043666, encodeId=53e32043666ab, content=<a href='/topic/show?id=0804161514' target=_blank style='color:#2F92EE;'>#9价HPV疫苗#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=41, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=1615, encryptionId=0804161514, topicName=9价HPV疫苗)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=6732482, createdName=w984445tii, createdTime=Tue May 02 21:48:00 CST 2017, time=2017-05-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=173311, encodeId=19c91e331120, content=现在十三岁的男孩接种是几次呢, beContent=null, objectType=article, channel=null, level=null, likeNumber=50, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=7db72014776, createdName=宋宋233, createdTime=Mon Jan 30 16:01:13 CST 2017, time=2017-01-30, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1393789, encodeId=37081393e89d3, content=<a href='/topic/show?id=718528982e3' target=_blank style='color:#2F92EE;'>#免疫原性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=40, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=28982, encryptionId=718528982e3, topicName=免疫原性)], attachment=null, authenticateStatus=null, createdAvatar=http://thirdqq.qlogo.cn/qqapp/101296147/78FA0899509C358B01B975E8EAC1F88A/100, createdBy=7d822500145, createdName=ms5353107019656438, createdTime=Thu Nov 24 23:48:00 CST 2016, time=2016-11-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=157843, encodeId=00ce15e8433d, content=讲得好学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=54, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/mONcle9pic3zMoyicyo6ia9f4IuLQAwZoxD6Hx4ibd5CMcOCYhStY6oDibbKK6O2X8iaicldO5ib8j1iapOIobIKCGiczU2A/0, createdBy=56251941490, createdName=虈亣靌, createdTime=Thu Nov 24 13:05:02 CST 2016, time=2016-11-24, status=1, ipAttribution=)]
    2017-01-30 宋宋233

    现在十三岁的男孩接种是几次呢

    0

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    2016-11-24 虈亣靌

    讲得好学习了

    0