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NEJM:单剂量Ad26.COV2.S疫苗的安全性和有效性

2021-06-10 MedSci原创 MedSci原创

单剂量Ad26.COV2.S可预防有症状的Covid-19和无症状SARS-CoV-2感染,并且对危重疾病有效,包括住院和死亡。安全性似乎与Covid-19疫苗的其他3期试验相似。

Ad26.COV2.S疫苗是一种重组的、无法复制的人类26型腺病毒载体,编码严重急性呼吸系统综合症冠状病毒 2 (SARS-CoV-2) 具有融合前稳定构象的全长刺突蛋白。

近日,顶级医学期刊NEJM上发表了一篇研究文章,在这项双盲、安慰剂对照的3期试验中,研究人员以1:1的比例随机分配成年参与者接受单剂量的Ad26.COV2.S(5×1010 病毒颗粒)或安慰剂。

该研究的主要终点是疫苗对中度至重度-危重2019冠状病毒病 (Covid-19) 的疗效,在符合方案人群中经SARS检测呈阴性的参与者在给药后至少14天和至少28天发病。研究人员还评估了安全性。

符合方案的人群包括19630名接受 Ad26.COV2.S的SARS-CoV-2检测阴性参与者和19691名接受安慰剂的参与者。Ad26.COV2.S在给药后至少14天(疫苗组116 例,安慰剂组348 例;疗效,66.9%;调整后的95%置信区间[CI]为59.0至73.4)和给药后至少28天(66 vs. 193 例;疗效,66.1%;调整后的95%CI为55.0至74.8)可预防中度至重度危重Covid-19。疫苗对严重危重症Covid-19的疗效更高(≥14天发病为 76.7% [调整95%CI为54.6至89.1],≥28 天发病为85.4% [调整95%CI为54.2 至 96.9])。尽管南非91例病例中有86例 (94.5%) 病毒测序有20H/501Y.V2变异体,但在给药后至少14天和28天,疫苗针对中度至重度-危重症Covid-19的有效性分别为52.0%和64.0%,对严重危重症Covid-19的有效性分别为73.1%和81.7%。Ad26.COV2.S的反应原性高于安慰剂,但通常是轻度至中度,且是短暂的。严重不良事件的发生率在两组之间类似。疫苗组发生3例死亡(无一例与Covid-19相关),安慰剂组发生16例死亡(5例与Covid-19相关)。

由此可见,单剂量Ad26.COV2.S可预防有症状的Covid-19和无症状SARS-CoV-2感染,并且对危重疾病有效,包括住院和死亡。安全性似乎与Covid-19疫苗的其他3期试验相似

原始出处:
 
Jerald Sadoff,et al.Safety and Efficacy of Single-Dose Ad26.COV2.S Vaccine against Covid-19.NEJM.2021.https://www.nejm.org/doi/full/10.1056/NEJMoa2003608

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  1. [GetPortalCommentsPageByObjectIdResponse(id=2066682, encodeId=05c420666826d, content=<a href='/topic/show?id=1d3d45e090e' target=_blank style='color:#2F92EE;'>#安全性和有效性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=60, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=45709, encryptionId=1d3d45e090e, topicName=安全性和有效性)], attachment=null, authenticateStatus=null, createdAvatar=https://thirdqq.qlogo.cn/qqapp/1103841572/E33DC517C2EC449E463E3D01D81745BA/100, createdBy=75e12500157, createdName=ms1756883563247400, createdTime=Fri Feb 11 21:23:12 CST 2022, time=2022-02-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=973627, encodeId=68559e36271b, content=学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=94, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=67634708538, createdName=1356548325, createdTime=Tue Jun 15 03:17:22 CST 2021, time=2021-06-15, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1035668, encodeId=274e1035668cb, 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=79, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=旺医, createdTime=Thu Jun 10 11:23:12 CST 2021, time=2021-06-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=972428, encodeId=26d79e242857, content=学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=100, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f4a35491076, createdName=ms4000000101002478, createdTime=Thu Jun 10 10:22:08 CST 2021, time=2021-06-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=972385, encodeId=5e719e2385b2, content=不错, beContent=null, objectType=article, channel=null, level=null, likeNumber=103, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20200529/3611e9bb629c4e5b81fbd8ce784b06cc/128487eae357460bb98f67d86230c218.jpg, createdBy=ab235268530, createdName=神盾医疗局局长Jack, createdTime=Thu Jun 10 08:49:29 CST 2021, time=2021-06-10, status=1, ipAttribution=)]
  2. [GetPortalCommentsPageByObjectIdResponse(id=2066682, encodeId=05c420666826d, content=<a href='/topic/show?id=1d3d45e090e' target=_blank style='color:#2F92EE;'>#安全性和有效性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=60, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=45709, encryptionId=1d3d45e090e, topicName=安全性和有效性)], attachment=null, authenticateStatus=null, createdAvatar=https://thirdqq.qlogo.cn/qqapp/1103841572/E33DC517C2EC449E463E3D01D81745BA/100, createdBy=75e12500157, createdName=ms1756883563247400, createdTime=Fri Feb 11 21:23:12 CST 2022, time=2022-02-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=973627, encodeId=68559e36271b, content=学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=94, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=67634708538, createdName=1356548325, createdTime=Tue Jun 15 03:17:22 CST 2021, time=2021-06-15, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1035668, encodeId=274e1035668cb, 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=79, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=旺医, createdTime=Thu Jun 10 11:23:12 CST 2021, time=2021-06-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=972428, encodeId=26d79e242857, content=学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=100, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f4a35491076, createdName=ms4000000101002478, createdTime=Thu Jun 10 10:22:08 CST 2021, time=2021-06-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=972385, encodeId=5e719e2385b2, content=不错, beContent=null, objectType=article, channel=null, level=null, likeNumber=103, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20200529/3611e9bb629c4e5b81fbd8ce784b06cc/128487eae357460bb98f67d86230c218.jpg, createdBy=ab235268530, createdName=神盾医疗局局长Jack, createdTime=Thu Jun 10 08:49:29 CST 2021, time=2021-06-10, status=1, ipAttribution=)]
    2021-06-15 1356548325

    学习

    0

  3. [GetPortalCommentsPageByObjectIdResponse(id=2066682, encodeId=05c420666826d, content=<a href='/topic/show?id=1d3d45e090e' target=_blank style='color:#2F92EE;'>#安全性和有效性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=60, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=45709, encryptionId=1d3d45e090e, topicName=安全性和有效性)], attachment=null, authenticateStatus=null, createdAvatar=https://thirdqq.qlogo.cn/qqapp/1103841572/E33DC517C2EC449E463E3D01D81745BA/100, createdBy=75e12500157, createdName=ms1756883563247400, createdTime=Fri Feb 11 21:23:12 CST 2022, time=2022-02-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=973627, encodeId=68559e36271b, content=学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=94, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=67634708538, createdName=1356548325, createdTime=Tue Jun 15 03:17:22 CST 2021, time=2021-06-15, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1035668, encodeId=274e1035668cb, 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=79, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=旺医, createdTime=Thu Jun 10 11:23:12 CST 2021, time=2021-06-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=972428, encodeId=26d79e242857, content=学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=100, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f4a35491076, createdName=ms4000000101002478, createdTime=Thu Jun 10 10:22:08 CST 2021, time=2021-06-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=972385, encodeId=5e719e2385b2, content=不错, beContent=null, objectType=article, channel=null, level=null, likeNumber=103, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20200529/3611e9bb629c4e5b81fbd8ce784b06cc/128487eae357460bb98f67d86230c218.jpg, createdBy=ab235268530, createdName=神盾医疗局局长Jack, createdTime=Thu Jun 10 08:49:29 CST 2021, time=2021-06-10, status=1, ipAttribution=)]
    2021-06-10 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=2066682, encodeId=05c420666826d, content=<a href='/topic/show?id=1d3d45e090e' target=_blank style='color:#2F92EE;'>#安全性和有效性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=60, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=45709, encryptionId=1d3d45e090e, topicName=安全性和有效性)], attachment=null, authenticateStatus=null, createdAvatar=https://thirdqq.qlogo.cn/qqapp/1103841572/E33DC517C2EC449E463E3D01D81745BA/100, createdBy=75e12500157, createdName=ms1756883563247400, createdTime=Fri Feb 11 21:23:12 CST 2022, time=2022-02-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=973627, encodeId=68559e36271b, content=学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=94, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=67634708538, createdName=1356548325, createdTime=Tue Jun 15 03:17:22 CST 2021, time=2021-06-15, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1035668, encodeId=274e1035668cb, 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=79, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=旺医, createdTime=Thu Jun 10 11:23:12 CST 2021, time=2021-06-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=972428, encodeId=26d79e242857, content=学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=100, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f4a35491076, createdName=ms4000000101002478, createdTime=Thu Jun 10 10:22:08 CST 2021, time=2021-06-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=972385, encodeId=5e719e2385b2, content=不错, beContent=null, objectType=article, channel=null, level=null, likeNumber=103, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20200529/3611e9bb629c4e5b81fbd8ce784b06cc/128487eae357460bb98f67d86230c218.jpg, createdBy=ab235268530, createdName=神盾医疗局局长Jack, createdTime=Thu Jun 10 08:49:29 CST 2021, time=2021-06-10, status=1, ipAttribution=)]
    2021-06-10 ms4000000101002478

    学习了

    0

  5. [GetPortalCommentsPageByObjectIdResponse(id=2066682, encodeId=05c420666826d, content=<a href='/topic/show?id=1d3d45e090e' target=_blank style='color:#2F92EE;'>#安全性和有效性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=60, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=45709, encryptionId=1d3d45e090e, topicName=安全性和有效性)], attachment=null, authenticateStatus=null, createdAvatar=https://thirdqq.qlogo.cn/qqapp/1103841572/E33DC517C2EC449E463E3D01D81745BA/100, createdBy=75e12500157, createdName=ms1756883563247400, createdTime=Fri Feb 11 21:23:12 CST 2022, time=2022-02-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=973627, encodeId=68559e36271b, content=学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=94, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=67634708538, createdName=1356548325, createdTime=Tue Jun 15 03:17:22 CST 2021, time=2021-06-15, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1035668, encodeId=274e1035668cb, 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=79, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=旺医, createdTime=Thu Jun 10 11:23:12 CST 2021, time=2021-06-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=972428, encodeId=26d79e242857, content=学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=100, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f4a35491076, createdName=ms4000000101002478, createdTime=Thu Jun 10 10:22:08 CST 2021, time=2021-06-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=972385, encodeId=5e719e2385b2, content=不错, beContent=null, objectType=article, channel=null, level=null, likeNumber=103, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20200529/3611e9bb629c4e5b81fbd8ce784b06cc/128487eae357460bb98f67d86230c218.jpg, createdBy=ab235268530, createdName=神盾医疗局局长Jack, createdTime=Thu Jun 10 08:49:29 CST 2021, time=2021-06-10, status=1, ipAttribution=)]
    2021-06-10 神盾医疗局局长Jack

    不错

    0

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