芝加哥大学医学院:开始测试抗SARS-CoV-2抗体的疗效

2020-09-04 Allan MedSci原创

美国芝加哥大学医学院(UChicago Medicine)正在开展一项临床试验(BLAZE-1试验),以检查抗SARS-CoV-2刺突蛋白的抗体治疗COVID-19(由新型冠状病毒引起的疾病)的潜力。

美国芝加哥大学医学院(UChicago Medicine)正在开展一项临床试验(BLAZE-1试验),以检查抗SARS-CoV-2刺突蛋白的抗体治疗COVID-19(由新型冠状病毒引起的疾病)的潜力。

对于BLAZE-1试验,芝加哥大学医学院正在招募22名受试者,受试者将接受由礼来公司与AbCellera合作开发的LY-CoV555进行治疗。

美国国家过敏和传染病研究所和AbCellera的科学家首先在从COVID-19恢复患者的血液样本中鉴定了该抗体。中和性单克隆抗体LY-CoV555能够靶向并结合SARS-CoV-2病毒表面的刺突蛋白,从而防止其附着并进入人体细胞。如果不接触细胞,病毒就无法复制。

UChicago Medicine传染病与全球卫生部主任David Pitrak博士说:“有数据表明LY-CoV555抗体可以阻止病毒在细胞中复制。现在,我们正在进行人体研究,以观察这种抗体否能减少病毒载量”。

LY-CoV555的安全性最初在2020年6月开始的I期临床试验中进行了评估。此II期试验将扩大LY-CoV555的安全性测试,并检查抗体在降低病毒载量、改善临床症状和体征方面的作用。

 

原始出处:

https://www.firstwordpharma.com/node/1754807?tsid=4

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    2021-03-07 仁医06
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    2020-09-06 小刀医生
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    2020-09-05 内科新手

    谢谢梅斯提供这么好的信息,学到很多

    0

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拓展阅读

NEJM:LY-CoV555联合瑞德西韦不能缩短新冠肺炎住院患者恢复期

LY-CoV555与瑞德西韦联合治疗不能加快新冠肺炎住院患者恢复时间

NEJM:中和抗体LY-CoV555治疗门诊轻中度新冠肺炎患者效果不显著

仅2800mg剂量下,中和抗体LY-CoV555可显著减少新冠肺炎门诊患者的病毒水平,其他2个剂量的效果不显著

礼来公司的LY-CoV555无法帮助住院COVID-19的患者

礼来公司的单克隆抗体LY-CoV555对COVID-19住院患者没有显著的临床价值。

美国国立卫生研究院(NIH)正在进行COVID-19预防性单克隆抗体的临床试验

目前,两项在健康成年人中进行的安慰剂对照双盲临床试验正在评估实验性单克隆抗体(mAb)是否可以预防SARS-CoV-2冠状病毒感染。