针对流感病毒的单克隆抗体:临床试验审查
Kenneth Gabriel Mota1,2, Ana Maria Moro1,3
1Biopharmaceuticals Laboratory, Butantan Institute, São Paulo, Brazil.
Frontiers in immunology
|October 27, 2025
概括
单克隆抗体 (mAbs) 在流感治疗和预防方面表现有前途,向保存的病毒区域. 虽然一些mAbs表现出有效性,但像不良传递和病毒进化等挑战需要进一步的工程来广泛临床使用.
科学领域:
- 病毒学 病毒学
- 免疫学 免疫学 免疫学
- 传染性疾病 传染性疾病
背景情况:
- 动物性流感病毒 (A和B) 导致全球显著的发病率和死亡率,这对公众健康构成了重大挑战.
- 每年感染人数接近10亿,数以百万计的严重病例和数十万人的死亡,造成了大量的医疗保健费用.
- 了解流感病毒生物学对于开发有效的对策至关重要.
研究的目的:
- 审查和评估抗流感单克隆抗体 (mAbs) 的治疗和预防潜力.
- 分析对mAbs的临床试验数据,以广谱活性准保存的病毒表位.
- 确定流感管理中的mAb发展的挑战和未来方向.
主要方法:
- 对抗流感mAbs的27项临床试验的系统审查来源于ClinicalTrials.gov.gov.
- 评估mAb的疗效,安全性概况和作用机制,包括针对保存区域,如血凝素干和M2e蛋白.
- 评估组合疗法和克服生物障碍的策略.
主要成果:
- 一些mAbs,如MHAA4549A,在临床前模型中显示出显著的病毒载量减少和与抗病毒药物的协同效应.
- 尽管临床前有希望,但几个mAbs (例如,VIR-2482,MEDI8852) 在第二阶段试验中没有达到疗效终点.
- 观察到总体上有利的安全性概况,轻微的不良事件;然而,发现粘膜透和可变反应的挑战.
结论:
- 单克隆抗体具有流感管理的潜力,特别是在高风险人群和流行病准备中.
- 需要进一步的工程来提高mAb的疗效,改善传递到粘膜组织,并克服病毒演变.
- 优化mAb的设计,管理和与疫苗或抗病毒药物集成可能使其成为抗流感的关键治疗工具.
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