NEJM:COVID-19候选疫苗mRNA-1273的临床前研究,效果明显!

2020-07-29 Allan MedSci原创

生物技术公司Moderna是信使RNA(mRNA)治疗剂和疫苗的先驱,Moderna今日公布了一项临床前研究,旨在评估COVID-19候选疫苗mRNA-1273,其结果发表在《NEJM》上。

生物技术公司Moderna是信使RNA(mRNA)治疗剂和疫苗的先驱,Moderna今日公布了一项临床前研究,旨在评估COVID-19候选疫苗mRNA-1273,其结果发表在《NEJM》上。这项研究表明,在非人类灵长类动物中,mRNA-1273导致针对SARS-CoV-2的强大免疫反应,对下呼吸道感染具有保护作用。

在这项研究中,非人类灵长类动物在接种10 µg或100 µg剂量的mRNA-1273或对照疫苗后,每隔4周评估一次免疫原性和保护效果(n = 24;每组8个)。第二次疫苗接种后四周,通过鼻内和气管内途径用高剂量的SARS-CoV-2病毒攻击动物。

在10 µg剂量下,在假病毒(PsV)中和测定中测得的几何平均滴度(GMT,ID50)为103,类似于先前报道的一组恢复期血清的GMT(109)。在100 µg剂量下,中和抗体滴度进一步提高,PsV GMT达到1,862。疫苗接种还导致T细胞应答(主要是Th1 CD4 T细胞)显著增加。

 

原始出处:

https://www.firstwordpharma.com/node/1744402?tsid=4

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    2020-07-29 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

  5. [GetPortalCommentsPageByObjectIdResponse(id=1822598, encodeId=5b9e1822598f3, content=<a href='/topic/show?id=a410122250d' target=_blank style='color:#2F92EE;'>#mRNA-1273#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=38, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=12225, encryptionId=a410122250d, topicName=mRNA-1273)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=e03212, createdName=liao1619, createdTime=Sun May 02 18:48:20 CST 2021, time=2021-05-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1937298, encodeId=8d1f193e298d7, content=<a href='/topic/show?id=d6262e4688b' target=_blank style='color:#2F92EE;'>#候选疫苗#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=34, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=27468, encryptionId=d6262e4688b, topicName=候选疫苗)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=e5742500212, createdName=12498f17m66暂无昵称, createdTime=Fri Jan 15 17:48:20 CST 2021, time=2021-01-15, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1562049, encodeId=511815620491f, content=<a href='/topic/show?id=6875513376' target=_blank style='color:#2F92EE;'>#COVID-19候选疫苗#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5133, encryptionId=6875513376, topicName=COVID-19候选疫苗)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=077d15252580, createdName=piaojinhua, createdTime=Fri Jul 31 00:48:20 CST 2020, time=2020-07-31, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1035364, encodeId=a33b103536414, 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=40, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=旺医, createdTime=Wed Jul 29 12:48:20 CST 2020, time=2020-07-29, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1047127, encodeId=2ef9104e127a9, 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=48, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=CHANGE, createdTime=Wed Jul 29 12:48:20 CST 2020, time=2020-07-29, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1249589, encodeId=70b7124958922, content=<a href='/topic/show?id=a410122250d' target=_blank style='color:#2F92EE;'>#mRNA-1273#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=18, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=12225, encryptionId=a410122250d, topicName=mRNA-1273)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=杏林小小, createdTime=Wed Jul 29 12:48:20 CST 2020, time=2020-07-29, status=1, ipAttribution=)]
    2020-07-29 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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