使用生理学基础的药理动力学建模和模拟来预测肝硬化患者的抗高血压药物剂量
Mai Tarek1, Ahmed A Ali1, Reda Biomy2
1Clinical Pharmacy Department, Faculty of Pharmacy, Kafrelsheikh University, Kafrelsheikh, Egypt.
Journal of clinical pharmacology
|January 7, 2026
概括
基于生理学的药理动力学 (PBPK) 模型准确地预测肝硬化患者所需的抗高血压药物剂量调整. 这些模型指导肝病各个阶段的安全有效的药物管理.
科学领域:
- 药理学和药物新陈代谢
- 临床药房 临床药房
- 计算生物学 计算生物学
背景情况:
- 肝硬化显著改变药物的药理动力学,需要对许多药物的剂量进行调整.
- 基于生理学的药理动力学 (PBPK) 建模是预测肝硬化等疾病状态中的药物行为的一个有价值的工具.
研究的目的:
- 开发和验证抗高血压药物的PBPK模型,以预测不同程度肝硬化患者的适当剂量.
- 模拟肝硬化患者群体的药物暴露,并将其与健康个体进行比较.
主要方法:
- 开发了PBPK模型,并在健康志愿者身上进行了验证.
- 模型被调整以纳入肝硬化特异性的病理生理变化.
- 进行模拟以估计不同肝硬化严重程度的未结合血AUC和Cmax.
主要成果:
- PBPK模型与预测药物暴露 (AUC和Cmax) 的临床数据有很好的一致性 (在2倍范围内).
- 预计在轻度,中度和严重肝硬化中,尼菲迪平,维拉帕米尔,尼比沃洛和迪尔蒂亚泽姆的剂量减少.
- 尼菲迪平对肝硬化的影响最大,而迪尔提亚对肝硬化的影响最小,这表明药物特定的变化.
结论:
- 经过验证的PBPK模型为肝硬化患者的抗高血压剂量提供了基于证据的指导.
- 这些模型对于优化药物治疗至关重要,因为缺乏广泛的临床试验数据.
- 这些发现强调了基于肝硬化严重程度和药物特性的个性化剂量策略的重要性.
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