口服抗病毒疗法全新临床试验结果发布:对所有新冠变种有效

2021-08-16 JACKZHAO MedSci原创

日前,Atea Pharmaceuticals在2021年第二季度财报中公布了该公司和罗氏(Roche)联合开发的口服抗病毒疗法AT-527的最新临床试验结果。目前正在进行的2期临床试验的中期分析显示

Roche, Atea Pharma To Develop Potential Oral COVID-19 Treatment - Contract  Pharma

日前,Atea Pharmaceuticals在2021年第二季度财报中公布了该公司和罗氏(Roche)联合开发的口服抗病毒疗法AT-527的最新临床试验结果。目前正在进行的2期临床试验的中期分析显示,AT-527能够导致患者病毒载量的快速降低,让他们更快达到病毒检测阴性的标准。而且,在健康志愿者中进行的临床研究显示,AT-527的活性代谢物在肺内衬液(lung lining fluid)中达到目标抗病毒水平,而这是新冠病毒增殖的位置。公开信息指出,这一结果支持进一步开发AT-527作为COVID-19预防疗法。

 AT-527 通过阻断病毒复制所需的病毒 RNA 聚合酶发挥作用,目前正在一项针对中度 COVID-19 住院患者的 II 期试验进行研究。预计将于 21 年第一季度开始的 III 期试验将探索在医院环境以外的患者中的潜在用途。此外,AT-527 可用于暴露后预防。AT-527 虽然是住院患者的潜在口服治疗选择,但也有可能成为非住院 COVID-19 患者的首选口服治疗选择。此外,小分子 DAA 的制造过程允许生产大量的治疗。如果成功,AT-527 可以帮助及早治疗患者,减少感染的进展,并有助于减轻卫生系统的整体负担。

此次合作旨在加速 AT-527 的临床开发和制造,研究其安全性和有效性,并尽快为世界各地的患者提供这种潜在的治疗选择。 如果 AT-527 在临床试验中证明安全有效并获得监管批准,Atea 将负责在美国分销该治疗方案,可选择请求基因泰克的支持,罗氏将负责在美国以外的分销。

近日,新冠病毒多个变种在世界各地广泛流行,它们或多或少都有一定免疫逃避能力,有可能降低现有疫苗的保护效力。因此,抗击新冠需要多方面的策略。而AT-527是一种靶向新冠病毒RNA聚合酶(nsp12)的抗病毒疗法。这是一个高度保守的基因,因此可以潜在限制新冠变体的影响。

正在进行的全球性2期临床试验结果显示,在基线具有高病毒载量的住院COVID-19患者中,使用AT-527与安慰剂相比,更为迅速地降低患者体内的病毒水平,让更多患者更早达到病毒检测阴性状态。这可能有助于加快他们的恢复速度。

“罗氏与我们一样热衷于提供创新的新药,以满足巨大的未满足的医疗需求。 COVID-19 大流行凸显了迫切需要一种新型口服抗病毒药物来治疗这种高度传染性且通常致命的病毒,”Atea Pharmaceuticals 首席执行官兼创始人 Jean-Pierre Sommadossi 博士说。

他们的目标是推动 AT-527 超越医院界限。 如果批准用于该用途,它将成为第一种可供未住院的 COVID-19 患者使用的新型口服抗病毒药物。 也就是说,AT-527 目前尚未在世界任何地方获得许可或批准用于任何适应症。

参考资料:

https://homelandprepnews.com/stories/56715-roche-backs-atea-pharmaceuticals-oral-antiviral-for-covid-19/

https://www.contractpharma.com/contents/view_breaking-news/2020-10-22/roche-atea-pharma-to-develop-potential-oral-covid-19-treatment/

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    2021-08-18 yahu
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    2021-08-16 1881ef655dm
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    2021-08-16 公卫新人

    新冠肺炎,疫情何时才能消失

    0

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    2021-08-16 Sprite噗

    👍🏻

    0

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