一种UPLC-MS/MS方法的开发及其在老鼠中对regorafenib的药理学分析的应用
Filip Otto1, Viktoriia Propisnova2, Hanna Urjasz1
1Department of Clinical Pharmacy and Biopharmacy, Poznań University of Medical Sciences, Rokietnicka 3, Poznań, 60-806, Poland.
Scientific reports
|February 20, 2026
概括
这项研究开发了一种经过验证的UPLC-MS/MS方法来量化regorafenib (REG) 和其代谢物. 与特拉美丁尼布 (TRA) 的同时使用显著增加了大鼠的 REG 系统暴露.
科学领域:
- 药理学 药理学是指药理学的学科.
- 生物分析是一种生物分析.
- 药物新陈代谢 药物新陈代谢
背景情况:
- 雷戈拉芬尼 (Regorafenib,REG) 是一种用于治疗肝细胞癌等癌症的多酶抑制剂,但个体变异性会影响其疗效.
- EG的不良影响和不足的疗效可能来自于可变的血度.
研究的目的:
- 开发和验证一种生物分析方法,用于在大鼠血中量化REG及其代谢物 (M-2,M-5).
- 评估特拉美丁尼 (TRA) 对 REG 和其代谢物的药理动力学影响.
主要方法:
- 超高性能液态染色学与并联质谱学 (UPLC-MS/MS) 被用于量化.
- 雷戈拉费尼布D3作为内部标准,用于在大鼠血中检测REG,M-2和M-5.
- 经过验证的方法应用于大鼠的药理动力学和药物相互作用研究.
主要成果:
- 该UPLC-MS/MS方法表现出卓越的线性,精度,准确性和稳定性,符合EMA的指导方针.
- 与特拉美替尼 (TRA) 联合使用显著增加了REG的Cmax和AUC0-∞,分别增加了375%和553%.
- TRA的使用导致M-2水平显著下降 (52%和44%),M-5水平显著增加 (779%).
结论:
- 成功建立了一种可靠的UPLC-MS/MS方法,用于在老鼠血中量化REG,M-2和M-5.
- 当Trametinib与Regorafenib同时使用时,Trametinib显著增加了对Regorafenib的全身暴露.
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