NEJM:M72/AS01E肺结核疫苗效果显著

2019-12-19 MedSci MedSci原创

研究认为,在感染结核分枝杆菌的成年人中,接种M72/AS01E疫苗可引起免疫应答,并至少在3年内对肺结核提供保护作用

早期对M72/AS01E 结核分枝杆菌候选疫苗试验的分析结果显示,该疫苗对活动性肺结核的保护率为54.0%,没有明显的安全性问题。近日研究人员报告为期三年的疗效、安全性和免疫原性研究的最终分析结果。

研究人员在肯尼亚、南非和赞比亚招募了18至50岁患有结核分枝杆菌感染(干扰素-γ释放试验阳性)的成年人,但没有发现活动性结核病的证据。患者随机接受M72/AS01E (2个剂量)或安慰剂,给药时间间隔1个月。研究的主要目的是M72/AS01E预防活动性肺结核的疗效。临床怀疑有肺结核的受试者提供痰标本进行聚合酶链反应分析、分枝杆菌培养。在一个由300名参与者组成的分组中,对体液和细胞介导的免疫反应进行了评估,直到第36个月。

共有3575名受试者接受了随机分组,其中3573名受试者接受了至少一剂M72/AS01E或安慰剂,3330名受试者接受了2种剂量。在3289名组成的协议疗效队列中,M72/AS01E小组1626名参加者中有13人,安慰剂组的1663名受试者中的26名受试者活动性肺结核阳性(发病率为0.3/100人-年vs.0.6/100人-年)。第36个月的疫苗效力为49.7%。在M72/AS01E组的参与者中,M72特异性抗体的浓度和M72特异性CD4+T细胞比例在第一次接种后增加,并在整个随访期内持续。组间严重不良事件、潜在免疫介导疾病和死亡率相似。

研究认为,在感染结核分枝杆菌的成年人中,接种M72/AS01E疫苗可引起免疫应答,并至少在3年内对肺结核提供保护作用。

原始出处:

Dereck R. Tait et al. Final Analysis of a Trial of M72/AS01E Vaccine to Prevent Tuberculosis. N Engl J Med, December 19, 2019.

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  2. [GetPortalCommentsPageByObjectIdResponse(id=1634183, encodeId=daf316341831a, content=<a href='/topic/show?id=020b111961d' target=_blank style='color:#2F92EE;'>#M72/AS01E#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=37, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=11196, encryptionId=020b111961d, topicName=M72/AS01E)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=3fa922077998, createdName=bbwuyu_010, createdTime=Fri Oct 02 15:52:00 CST 2020, time=2020-10-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1254317, encodeId=78c9125431e6e, content=<a href='/topic/show?id=f30ae86297d' target=_blank style='color:#2F92EE;'>#结核#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=40, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=78629, encryptionId=f30ae86297d, topicName=结核)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4dfa37, createdName=huhuaidong387, createdTime=Sat Dec 21 09:52:00 CST 2019, time=2019-12-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1035058, encodeId=2335103505847, content=顶刊就是顶刊,谢谢梅斯带来这么高水平的研究报道,我们科里同事经常看梅斯,分享梅斯上的信息, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=旺医, createdTime=Thu Dec 19 21:52:00 CST 2019, time=2019-12-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1046967, encodeId=83f1104696ed8, content=疗效只是效果的众多方面之一,还要看对患者的获益,包括生活质量等因素共同决定效果的, beContent=null, objectType=article, channel=null, level=null, likeNumber=52, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=CHANGE, createdTime=Thu Dec 19 21:52:00 CST 2019, time=2019-12-19, status=1, ipAttribution=)]
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    2019-12-19 旺医

    顶刊就是顶刊,谢谢梅斯带来这么高水平的研究报道,我们科里同事经常看梅斯,分享梅斯上的信息

    0

  4. [GetPortalCommentsPageByObjectIdResponse(id=1634183, encodeId=daf316341831a, content=<a href='/topic/show?id=020b111961d' target=_blank style='color:#2F92EE;'>#M72/AS01E#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=37, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=11196, encryptionId=020b111961d, topicName=M72/AS01E)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=3fa922077998, createdName=bbwuyu_010, createdTime=Fri Oct 02 15:52:00 CST 2020, time=2020-10-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1254317, encodeId=78c9125431e6e, content=<a href='/topic/show?id=f30ae86297d' target=_blank style='color:#2F92EE;'>#结核#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=40, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=78629, encryptionId=f30ae86297d, topicName=结核)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4dfa37, createdName=huhuaidong387, createdTime=Sat Dec 21 09:52:00 CST 2019, time=2019-12-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1035058, encodeId=2335103505847, content=顶刊就是顶刊,谢谢梅斯带来这么高水平的研究报道,我们科里同事经常看梅斯,分享梅斯上的信息, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=旺医, createdTime=Thu Dec 19 21:52:00 CST 2019, time=2019-12-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1046967, encodeId=83f1104696ed8, content=疗效只是效果的众多方面之一,还要看对患者的获益,包括生活质量等因素共同决定效果的, beContent=null, objectType=article, channel=null, level=null, likeNumber=52, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=CHANGE, createdTime=Thu Dec 19 21:52:00 CST 2019, time=2019-12-19, status=1, ipAttribution=)]
    2019-12-19 CHANGE

    疗效只是效果的众多方面之一,还要看对患者的获益,包括生活质量等因素共同决定效果的

    0

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