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通过PopPK建模和模拟优化拉莫特里金在孕期的剂量优化
Jiping Huo1,2, Yilin Liu3, Jiayu Yang1,2
1Department of Pharmacy, Beijing Tiantan Hospital, Capital Medical University, Beijing, People's Republic of China.
Drug design, development and therapy
|November 27, 2025
概括
在怀孕期间,拉莫特里金清除显著增加,在分娩后下降. 体重,妊娠阶段和酸影响拉莫特里金的药理动力学,有助于患者个性化剂量.
科学领域:
- 药理动力学 药理动力学
- 临床药理学 临床药理学
- 症管理 症管理
背景情况:
- 拉莫特里金在孕妇中表现出显著的药物动力学变异性.
- 了解这些变化对于在怀孕期间有效治疗至关重要.
研究的目的:
- 在中国的患者中,围绕孕期周围的时期,开发拉莫特里金的种群药业动力学模型.
- 确定影响拉莫特里金药理动学的关键因素,并指导个性化剂量.
主要方法:
- 一个非线性混合效应模型被应用到来自128名患者的293个lamotrigine血度.
- 模型验证包括合适性,引导分析和预测检查.
- 使用蒙特卡洛模拟来优化剂量方案.
主要成果:
- 一个单间模型描述了lamotrigine的药理动力学.
- 拉莫特里金清除 (CL/F) 从怀孕5周开始显著增加 (131-199%的早期怀孕),并在分娩后 (68%) 下降.
- 体重,怀孕阶段和与酸联合使用是显著的共同变量.
结论:
- 拉莫特里金CL/F在整个怀孕和产后经历了显著的变化.
- 识别影响因素使得孕期前期患者的个性化剂量策略成为可能.
- 需要进一步的多中心研究,以获得强大的概括性和精确的剂量优化.
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