抗体与药物合物的药物化学演变
1AbbVie Bioresearch Center, 381 Plantation Street, Worcester Massachusetts 01605 USA adrian.hobson@abbvie.com.
RSC medicinal chemistry
|March 22, 2024
概括
药物化学优化了抗体-药物联合体 (ADCs) 通过提炼抗体,链接器和有效载荷. 这些组件的战略设计增强了ADC的稳定性,功效和选择性,以改善治疗结果.
科学领域:
- 生物结合化学 生物结合化学
- 药用化学 医学化学
- 药物发现 药物发现 药物发现
背景情况:
- 抗体-药物联合体 (ADC) 是由抗体,链接器和有效载荷组成的复杂疗法.
- 药物链接元件虽然很小,但对ADC的特性和性能产生了重大影响.
- 优化这些组件之间的相互作用对于有效的ADC开发至关重要.
研究的目的:
- 探索药物化学策略如何增强ADC的设计和功能.
- 突出特定化学修饰对ADC稳定性,同质性和有效性的影响.
- 强调在ADC开发中采用整体方法的重要性.
主要方法:
- 使用乙胺 (BrAc) 进行稳定的抗体结合,取代了maleimide.
- 优化蛋白酶可切割二链接器以改善ADC特性.
- 以结构信息和结构-活动关系 (SAR) 为指导,设计具有更高功率和选择性的有效载荷.
- 尽量减少暴露于溶剂的疏水表面,并探索附着异构原子的作用.
- 在项目启动初期实施前药物战略.
主要成果:
- 乙胺 (BrAc) 结合导致具有灵活链接器设计的更均的ADC.
- 优化的二联结剂减少聚合并增强ADC的稳定性,用于潜在的皮下注射.
- 根据SAR的有效载荷设计,提高了效能和选择性,增加了治疗指数.
- 尽量减少疏水表面和战略性附着 heteroatom 使用增强类似药物的特性.
- 药物化学显著推动了ADC强度,选择性和整体治疗特征的改善.
结论:
- 药物化学在通过抗体,链接器和有效载荷组件的战略设计来优化ADC中发挥着关键作用.
- 化学修改,如使用BrAc和优化链接剂,增强ADC的同质性,稳定性和类似药物的特性.
- 对ADC设计采用共生,综合的方法对于最大限度地提高治疗疗效和安全至关重要.
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