开发比卡胺即时释放剂量形式的体外-体外相关性与双相体外溶解试验
Nihal Tugce Ozaksun1, Tuba Incecayir1
1Department of Pharmaceutical Technology, Faculty of Pharmacy, Gazi University, Etiler, 06330 Ankara, Turkey.
Pharmaceutics
|September 27, 2025
概括
双相溶解测试有效地预测药物吸收,为双胺 (BIC) 立即释放片建立了强烈的体外-体内相关性. 这种方法有助于开发难溶性药物的仿制版本.
科学领域:
- 药理动力学 药理动力学
- 药物输送系统 药物输送系统
- 生物制药生物制药公司
背景情况:
- 双相溶解系统模拟了药物溶解和吸收之间的相互作用.
- 这是预测体内药物吸收的有希望的方法.
- 比卡胺 (BIC) 是一种BCSII类药物,具有不依赖pH值的不良溶解性和高透性.
研究的目的:
- 评估双相体外溶解试验的适用性,以确定体外与体内相关性 (IVIVC).
- 评估原始和通用立即释放 (IR) 双胺 (BIC) 片的IVIVC.
- 确定双相系统对仿制药开发的预测能力.
主要方法:
- 溶解测试使用USP装置II (划船方法) 进行.
- 通过将体外分区数据与体内吸收数据相关联,确定了A级IVIVC.
- 药理动力学 (PK) 分析是使用单组分模型进行的,以估计仿制品的血度.
主要成果:
- 在体外和体外数据之间观察到强大的相关性 (r2 = 0.98).
- 对仿制与原始比卡胺的度-时间曲线下的面积 (AUC) 和最大血度 (Cmax) 的比率分别为1.04 ± 0.01和0.951 ± 0.026.
- 这些结果表明仿制药和原始配方之间的生物等价性.
结论:
- 双相溶解测试作为一种有价值的体内预测工具.
- 这种方法特别适用于开发难溶性,高度透性药物的仿制品,如双胺.
- 该研究验证了双相系统在确保仿制药质量和性能方面的实用性.
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