使用迷你使用室系统的肠道吸收和新陈代谢的同时预测方法
Satoshi Kondo1,2, Masateru Miyake3
1Department of Drug Metabolism and Pharmacokinetics, Nonclinical Research Center, Tokushima Research Institute, Otsuka Pharmaceutical Co., Ltd., 460-10 Kagasuno Kawauchi-cho, Tokushima 771-0192, Japan.
Pharmaceutics
|December 23, 2023
概括
使用人类和动物肠道组织的新型迷你使用室方法可以同时预测药物的肠道吸收和新陈代谢. 这种运输指数 (TI) 方法提供了比传统的基于细胞的药物开发模型更准确的评估.
科学领域:
- 药理学 药理学是指药理学的学科.
- 药物新陈代谢 药物新陈代谢
- 胃肠病学 胃肠病学
背景情况:
- 预测人类药物吸收的Caco-2和PAMPA等传统方法存在局限性.
- 诱导多能干 (iPS) 细胞衍生的肠组织与人体组织具有形态相似性.
- 乌辛室是直接测试人类肠道组织中药物透性和电生理学参数的宝贵工具.
研究的目的:
- 提出一种新的预测方法,用于肠道吸收和新陈代谢使用迷你Ussing室.
- 评估人类和动物肠道组织在预测药物吸收和代谢方面的有用性.
- 引入运输指数 (TI) 作为这一预测的关键指标.
主要方法:
- 使用了一个迷你的Ussing腔室与人类和动物的肠道组织.
- 根据药物度,组织积累 (Tcorr) 和基底运输 (Xcorr) 来计算运输指数 (TI).
- 在TI中包含的代谢物形成指数 (MFI) 用于代谢预测,经过基托可纳验证.
主要成果:
- 迷你使用室方法在人类中成功预测了药物吸收度排名顺序和吸收剂量 (Fa) 的分数.
- 预测了狗和老鼠的肠道新陈代谢,虽然不是量化.
- TI的MFI组件证明了对肠道代谢和吸收的预测能力.
结论:
- 使用人类和动物肠道组织的迷你Ussing室是同时预测肠道吸收和新陈代谢的强大工具.
- 与现有的基于细胞系的测试相比,这种方法提供了更全面的方法.
- TI和MFI为药物开发和药物动力学分析提供了宝贵的见解.
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