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对Caco-2微流体芯片模型的验证,用于预测BCS I-IV类药物的肠道吸收
Stephanie Y Zhang1, Whitney S Y Ong2, Natalia Subelzu2
1Pharmaceutical Sciences and Clinical Supply, Merck & Co., Inc., Rahway, NJ 07065, USA.
International journal of pharmaceutics
|April 10, 2024
概括
一个新的微流体肠道芯片显示出预测口服药物吸收的前景,其结果与传统的Caco-2 Transwell测试相似. 这种经过验证的gut-on-a-chip模型减少了对药物开发的动物试验的依赖.
科学领域:
- 药理学 药理学是指药理学的学科.
- 生物技术是生物技术.
- 药物运输 药物运输 药物运输
背景情况:
- 口服药物输送是首选的,但需要足够的药物溶解性和透性.
- 与Caco-2 Transwell试验相比,现有的透性试验缺乏广泛的验证.
- 药物可溶性和溶解的预测工具的进展已经存在,但透性测试落后.
研究的目的:
- 评估微流体肠上芯片模型与Caco-2 Transwell检测肠道透性的测试.
- 评估两种模型对口服药物吸收的预测能力.
- 通过使用BCS类I-IV化合物来确定药物吸收的体外和体内的相关性 (IVIVC).
主要方法:
- 使用了19种生物制药分类系统 (BCS) 的I-IV类化合物.
- 在Transwell和微流体芯片模型中进行了可行性测试和量化的表面透性 (Papp).
- 在Papp和被吸收的人类分数 (fa) 之间建立了体外与体内相关性 (IVIVC).
主要成果:
- 对于像抗皮林和纳多洛尔这样的化合物,Transwell和芯片模型之间的透度值观察到差异.
- 在Transwell (r2 = 0.59-0.83) 和芯片模型 (r2 = 0.41-0.79) 之间证明了可比的体外活体相关性 (IVIVC) 预测性.
- 芯片模型的Papp数据与历史数据相比,与本地组织更接近.
结论:
- 商业 gut-on-a-chip 模型是口服吸收评估的验证预测工具.
- 微流体芯片的预测能力与Caco-2 Transwell测定方法相似.
- 这种经过验证的gut-on-a-chip模型可以减少在药物开发中使用动物模型的需求.
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