在纳普罗和辅助剂之间的兼容性研究中,FTIR,拉曼光谱和HT-XRD
Barbara Rojek1, Maria Gazda2, Alina Plenis1
1Department of Analytical Chemistry, Faculty of Pharmacy, Medical University of Gdansk, Al. Gen. Hallera 107, 80-416 Gdansk, Poland.
概括
新的光谱学方法可靠地检测固体剂型中的药物辅助剂不相容性. 这种快速识别对于在制药前配方过程中选择最佳辅助剂至关重要,确保药物的稳定性和有效性.
科学领域:
- 制药技术 制药技术 制药技术
- 材料科学 材料科学 材料科学
- 分析化学 分析化学
背景情况:
- 选择合适的辅助剂对于固体剂型的开发至关重要.
- 在制药前配方中,快速可靠的不兼容性检测方法至关重要.
- 了解药物辅助剂相互作用会影响生物制药的性能.
研究的目的:
- 引入一种用于检测活性药物成分 (API) 和辅助剂不相容性的新方法.
- 评估综合光谱技术 (FTIR,拉曼) 和高温X射线衍射 (HT-XRD) 的有效性,以评估不兼容性.
- 将新方法与已知技术比较,例如差分扫描热量计 (DSC).
主要方法:
- 福里埃变换红外 (FTIR) 和拉曼光谱学结合层次集群分析 (HCA) 进行数据解释.
- 高温X射线衍射 (HT-XRD) 用于评估药物晶度的变化.
- 差分扫描热度计 (DSC) 作为热分析的参考方法.
- 内在溶解率研究,以评估对药物释放的影响.
主要成果:
- 谱学分析发现纳普 (NPX) 和几个聚合物辅料 (MC,HPMC,HEC,SSG,CMC) 之间存在物理不兼容性.
- 在加热和冷却后,HT-XRD显示不兼容的混合物中纳普罗森晶度下降.
- 光谱方法的结果得到了DSC和溶解率研究的证实,证实了这些发现.
结论:
- 结合FTIR,Raman和HT-XRD提供了一种快速可靠的方法来检测药物辅助剂不兼容性.
- 这种方法有助于选择合适的辅助剂,改善固体剂型的预制过程.
- 该研究强调了理解物理不相容性对于成功开发药物产品的重要性.
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