与有机酸共结晶的埃泽蒂米布:固体测量优化改善溶解性和生物可用性
Ravi Maharjan1, Ha Eun Park2, Ki Hyun Kim3
1College of Pharmacy & Yonsei Institute of Pharmaceutical Sciences, Yonsei University, Incheon 21983, Republic of Korea.
Pharmaceutics
|November 27, 2025
概括
埃泽蒂米布与酸的共同晶体显著改善了溶解性和口服生物可用性. 这种配方策略有效地解决了难溶性药物所带来的挑战,增强了治疗潜力.
科学领域:
- 制药科学 制药科学
- 药物运输 药物运输 药物运输
- 材料科学 材料科学 材料科学
背景情况:
- 作为低脂剂的埃泽蒂米布具有较差的水溶性 (BCS II 类),限制了其治疗功效.
- 制药共结晶是一种提高药物特性,同时保持分子完整性的策略.
- 优化ezetimibe的物理化学特性和口服生物可用性对于改善药物输送至关重要.
研究的目的:
- 系统地评估ezetimibe与有机酸 (酸,酸,酸) 的联合结晶.
- 优化物理化学性质和口服生物可用性,通过不同的固体测量比和制备方法.
- 研究合理的共晶设计在疏水治疗中克服可溶性障碍的潜力.
主要方法:
- 使用溶剂蒸发 (SEV) 和溶剂/抗溶剂 (SAS) 方法制备晶.
- 通过FTIR,DSC,PXRD和SCXRD进行结构性表征.
- 在大鼠中评估物理化学性能,包括溶解性,溶解性和体内药理动力学.
主要成果:
- 酸共晶体 (1:2比,SEV) 显示出显著的O-HN结合和新的结晶相.
- 经过优化后的埃泽胺/酸共晶体,可溶性增加了64倍,溶解速度提高了2倍.
- 药理动力学研究显示,优化共晶体的Cmax是3倍高,AUC是4倍高,与纯埃泽提米布相比.
结论:
- 固体测量和制备方法对共晶的性能具有重要影响.
- 埃泽提米布/酸共晶 (1:2,SEV) 提供卓越的溶解性,溶解性和生物可用性,解决了埃泽提米布的配方挑战.
- 合理的共晶设计是一种可行的方法,可以增强口服厌水药物的生物可用性.
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