阿尔茨海默病的被动免疫疗法:挑战和未来的方向
Ling Xiao Yi1, Eng King Tan2,3,4, Zhi Dong Zhou5,6
1National Neuroscience Institute of Singapore, 11 Jalan Tan Tock Seng, Singapore, 30843, Singapore.
Journal of translational medicine
|May 7, 2024
概括
对阿尔茨海默病 (AD) 的被动免疫疗法显示出混合的结果. 虽然一些抗粉样β (Aβ) 抗体失败了,但其他像lecanemab和donanemab这样的抗体在减缓AD早期的认知衰退方面表现有前途.
科学领域:
- 神经科学是一个神经科学.
- 免疫学 免疫学 免疫学
- 药理学 药理学 是一个学科.
背景情况:
- 使用针对粉样β (Aβ) 或蛋白的抗体的被动免疫疗法是阿尔茨海默病 (AD) 的关键策略.
- 之前对几种抗Aβ和抗tau抗体的临床试验取得了令人失望的结果,未能证明有显著的临床益处.
研究的目的:
- 分析在阿尔茨海默氏症临床试验中被动免疫疗法的不同结果.
- 探索针对Aβ.的抗体有效性差异的潜在原因.
主要方法:
- 对阿尔茨海默病的被动免疫疗法药物的II期和III期临床试验数据的审查.
- 对抗体点的分析,包括不同形式的Aβ (可溶性原纤维素,聚合物,N端截断) 和tau蛋白.
主要成果:
- 索拉涅祖马布,巴皮内祖马布,克雷内祖马布和甘特内鲁马布 (抗Aβ) 无法减缓阿兹海默症患者的认知衰退.
- 一些抗tau抗体在第二阶段试验中也失败了.
- 莱卡尼马布,多纳尼马布和阿杜卡努马布 (抗Aβ) 已在减缓早期阿尔茨海默症认知衰退方面表现出有效性.
结论:
- 特定的Aβ标 (例如,可溶性原纤维素与聚合形式) 对于在AD患者的被动免疫疗法的疗效至关重要.
- 需要进行进一步的长期研究,以评估不同AD阶段的抗Aβ抗体的疗效,安全性和成本效益.
- 涉及抗Aβ抗体和其他药物的组合疗法值得探索.
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