优化延长释放型配方的l-tetrahydropalmatine基于体内结果,使用集成建模方法
Thi-Phuong-Dung Pham1,2, Huy Minh Dao3, Nguyen-My-Linh Pham1
1Faculty of Pharmaceutics and Pharmaceutical Technology, Hanoi University of Pharmacy, 13-15 Le Thanh Tong, Hoan Kiem, Hanoi, Vietnam.
AAPS PharmSciTech
|June 25, 2025
概括
这项研究使用计算工具优化了延长释放的l-Tetrahydropalmatine (l-THP) 配方用于成治疗. 优化的配方确保了安全性和有效性,具有可预测的开始和长时间的作用.
科学领域:
- 药理学 药理学是指药理学的学科.
- 药品制造 药品制造 药品制造
- 计算机化药物输送 计算机化药物输送
背景情况:
- 虽然l-Tetrahydropalmatine (l-THP) 在治疗成方面具有前景,但需要延长释放配方才能获得最佳的安全性和有效性.
- 实现所需的体内药理学概况 (Cmax,发病,持续时间) 对于有效的药物输送至关重要.
研究的目的:
- 使用集成的计算工具优化延长释放的l-THP配方.
- 为了确定体外-体内相关性 (IVIVC) 以预测药物释放和吸收.
- 开发和验证一种基于生理学的药理动力学 (PBPK) 模型,用于模拟l-THP在体内的行为.
主要方法:
- 实验的利用设计 (DOE) 与PBPK建模相结合,以优化水友矩阵片剂配方.
- 建立了A级IVIVC以选择体内可预测的溶解方法 (USP装置I,450毫升0.1N HCl,100rpm).
- 根据美国FDA预测错误标准验证了PBPK模型,以评估其在预测l-THP药理动力学方面的准确性.
主要成果:
- 成功建立了A级IVIVC,将体外溶解与体内吸收联系起来.
- 该PBPK模型准确地预测了l-THP的药理动力学,并将溶解和肠道第一通道提取确定为关键因素.
- 优化的配方显示了预计的早期起作用 (0.68小时) 和持续时间超过11.4小时,Cmax在治疗窗口内.
结论:
- 集成的IVIVC,PBPK和DoE为设计延长释放药物输送系统提供了一个强大的平台.
- 优化的l-THP配方为成治疗提供了一个有前途的概况,平衡有效性和安全性.
- 这种计算方法可以适应设计其他药物输送系统,以量身定制的体内性能.
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