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药物片的溶解试验使用一种新的胃模拟器
I Martínez-Camacho1, L F Donis-Rabanales2, S Cortés-Lagunes1
1Instituto de Ciencias Aplicadas y Tecnología, Universidad Nacional Autónoma de México, Circuito Exterior, Ciudad Universitaria, 04510 Mexico City, Mexico.
International journal of pharmaceutics
|January 14, 2026
概括
一个新的体外远距离胃模拟器 (IV-DGS) 模拟了药物溶解测试的人类胃状况. 与标准USP Apparatus 2相比,该设备显示较慢,更现实的平板电脑溶解.
科学领域:
- 药理学 药理学是指药理学的学科.
- 生物医学工程 生物医学工程
- 药物输送系统 药物输送系统
背景情况:
- 准确的体外药物溶解测试对于预测体内性能至关重要.
- 像USP Apparatus 2这样的现有方法可能无法完全复制人类胃的复杂生理环境.
研究的目的:
- 开发和评估一种新的设备,即体外远距离胃模拟器 (IV-DGS),用于模拟人类的胃状况.
- 使用IV-DGS与美国药典 (USP) 装置比较标准片的药物溶解概况 2.
主要方法:
- 普雷尼松USP综合标准片被溶解在两个装置:IV-DGS和USP装置2.
- 在IV-DGS模拟生理条件,包括环静电运动 (3周期/分钟) 和压力 (约. 25 mm Hg) 的时间.
- 溶解数据是使用一级和韦布尔模型建模的.
主要成果:
- 12分钟后,USP设备2显示71.5%的溶解,而IV-DGS实现了24.9%的溶解.
- 静脉DGS显示溶解速度较慢,但提供了更现实的胃混合模拟.
- 韦布尔模型为两种系统的溶解数据提供了更好的匹配.
结论:
- 与USP Apparatus 2相比,IV-DGS为体外药物溶解研究提供了更具生理相关性的替代方案.
- 虽然结果不能直接比较,但IV-DGS在模拟的胃条件下对药物行为提供了宝贵的见解.
- 需要进一步验证,但IV-DGS显示了改善临床前药物开发评估的前景.
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