使用体外微流体 perfusion 平台和在体内药理动力学-药理动力学建模的 ClpP 激活剂剂量优化
Ronald W Bucher1, Lee M Graves2, Derek W Bartlett3
1Division of Pharmacotherapy and Experimental Therapeutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
The AAPS journal
|June 13, 2025
概括
小分子ClpP激动剂破坏癌症代谢. 一个动物替代平台通过将细胞增殖与药物暴露时间和度相关联来预测抗瘤疗效,指导癌症治疗的发展.
科学领域:
- 在瘤学瘤学.
- 药理学 药理学是指药理学的学科.
- 生物化学 生物化学
背景情况:
- 线粒体的小分子激活酶P (ClpP激活剂) 的小分子激活剂向瘤代谢.
- 伊米普里ClpP激动剂ONC201正在临床试验中;类似物正在临床前开发中.
- 之前的研究表明,ONC201在小鼠中具有独特的,长期的药理动力学-药理动力学 (PK-PD) 关系,影响了人类的剂量策略.
研究的目的:
- 系统地分析PK-PD对ClpP激动剂的关系.
- 确定ClpP激动剂作为癌症治疗药物的最佳暴露特征.
- 验证一种动物替代平台,用于对ClpP主动剂的翻译PK-PD研究.
主要方法:
- 结合PK-PD建模与微流体 perfusion 平台.
- 评估了对三阴性乳腺癌细胞的抗增殖作用.
- 在小鼠瘤异种移植研究中验证了PK-PD模型的预测.
主要成果:
- 抗增殖效应与ClpP激动剂暴露在ClpP激活值以上的程度和持续时间相关.
- 使用微流体数据的PK-PD模型模拟成功预测了体内抗瘤疗效.
- 在体外PK-PD平台的翻译相关性已被证明.
结论:
- 微流体平台为ClpP激动剂的转化PK-PD研究提供了一个可行的动物替代方案.
- 这种方法可以指导在癌症治疗中对ClpP激动剂的剂量优化.
- 了解PK-PD的关系对于开发有效的ClpP激活剂癌症治疗至关重要.
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