在老鼠中验证的LC-MS/MS量化方法和talazoparib和enzalutamide的药理动力学分析
Rajesh Guntupalli1, Panchumarthy Ravisankar2, Sathish Kumar Konidala1
1Department of Pharmaceutical Sciences, School of Biotechnology and Pharmaceutical Sciences, Vignan's Foundation for Science, Technology & Research, Guntur, Andhra Pradesh, India.
Biomedical chromatography : BMC
|February 3, 2026
概括
一种新的LC-MS/MS方法量化了老鼠血中的Talazoparib和Enzalutamide,用于转移性割抵抗性前列腺癌的研究. 这种经过验证的生物分析技术支持这些重要药物的临床前药理动力学研究.
科学领域:
- 药理学 药理学是指药理学的学科.
- 分析化学 分析化学
- 在瘤学瘤学.
背景情况:
- 具有HRR基因突变的转移性割抵抗性前列腺癌 (mCRPC) 是FDA批准的治疗方法如Talazoparib和Enzalutamide的目标.
- 在生物矩阵中准确量化这些药物对于理解它们的药理动力学 (PK) 和优化治疗至关重要.
- 临床前研究需要可靠的生物分析方法来评估药物暴露和疗效.
研究的目的:
- 开发和验证一种灵敏和特定的液体染色学-并联质谱法 (LC-MS/MS) 方法,用于在大鼠血中同时量化Talazoparib和Enzalutamide.
- 使用已验证的方法进行前临床的药理动力学评估塔拉佐巴里布和恩扎胺在老鼠.
主要方法:
- 在老鼠血中同时量化Talazoparib和Enzalutamide,使用Apalutamide作为内部标准.
- 使用70:30 (v/v) 乙甲-0.1%酸移动相,10分钟运行时间和正离子化模式进行LC-MS/MS分析.
- 方法验证包括线性,准确性,精度和恢复评估,证明了强大的性能.
主要成果:
- 对于这两种药物,LC-MS/MS方法在指定度范围内表现出极好的线性 (r2 > 0.999).
- 准确性和精度处于可接受的生物分析界限 (±15%-20%),恢复率高 (>98%).
- 在大鼠中进行的药理动力学研究显示,塔拉佐巴里布和恩扎胺的Cmax,AUC0-t和24小时半衰期都不同.
结论:
- 开发和验证的LC-MS/MS方法是灵敏,快速和可靠的,用于同时在老鼠血中对Talazoparib和Enzalutamide进行生物分析.
- 这种方法适用于临床前药理动力学研究,有助于评估这些mCRPC疗法.
- 这些发现支持进一步研究Talazoparib和Enzalutamide疗法的临床应用和优化.
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