葛兰素史克:旗下新冠药物对奥密克戎毒株依旧有效

. 葛兰素史克:旗下新冠药物对奥密克戎毒株依旧有效
财联社(上海,编辑 夏军雄)讯,当地时间周二(12月7日),英国制药公司葛兰素史克公司 (NYSE:GSK)宣布,该公司与Vir Biotechnology合作开发的新冠抗体药物Sotrovimab对奥密克戎变异毒株有效。受此消息提振,Vir Biotechnology Inc (NASDAQ:VIR)盘前一度大涨逾10%。
试验数据显示,Sotrovimab能够抵抗奥密克戎变异毒株的所有刺突蛋白突变,而不仅仅是关键突变。测试包含了迄今在刺突蛋白中发现的所有37个突变。
葛兰素史克上周就表示,Sotrovimab对奥密克戎毒株的关键突变有效,而最新测试提供了更多的确定性。
Vir首席执行官George Scangos周二表示,Sotrovimab面对奥密克戎毒株的效果有所减弱,但差异并不显著,相信该药物能继续为患者的早期治疗提供好处,以避免最严重的后果。
Sotrovimab目前已在大约12个国家获得批准,其中就包括美国,在试验中,该抗体药物可将轻至中度新冠患者的住院和死亡风险降低79%。
尽管注射抗体只是新冠肺炎治疗手段中的一种,但对免疫受到抑制、对疫苗没有充分反应的群体而言,它发挥着关键作用,有助于减轻病毒对更容易出现重症的患者的影响。
研究人员正在抓紧测试现有的疫苗和药物针对奥密克戎的有效性,南非上周披露的报告显示,感染奥密克戎的患者可能只会出现较轻的病症,但也有科学家警告称,现在下结论还为时过早。
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