一个自动化的管道,以生成人口的初步估计 药理动力学基准模型
Zhonghui Huang1, Matthew Fidler2, Minshi Lan3
1Great Ormond Street Institute of Child Health, University College London, London, UK. zhonghui.huang.20@ucl.ac.uk.
Journal of pharmacokinetics and pharmacodynamics
|November 6, 2025
概括
本研究提出了一个自动化管道,用于生成人群PK模型的初始药理动力学 (PK) 参数估计. 该工具可以提高模型的趋同性和准确性,特别是在稀疏的数据中,并且可以作为一个开源的R包.
科学领域:
- 制药指标 (Pharmacometrics) 是一个指标.
- 计算生物学 计算生物学
- 药物开发 药物开发
背景情况:
- 非线性混合效应模型需要准确的初始参数估计才能成功优化.
- 传统的方法,如非分区分析 (NCA) 有局限性,特别是稀疏的数据.
- 自动建模需要初步估计,以尽量减少用户输入.
研究的目的:
- 开发一个集成的,自动化的管道,用于计算人口药理动力学 (PopPK) 模型的初始参数估计.
- 创建适用于各种数据类型和模型结构的工具.
- 为结构和统计参数提供可靠的初步估计.
主要方法:
- 开发了一种定制算法,利用数据驱动的方法进行初始估计计算.
- 将算法集成到PopPK基础模型的管道中.
- 使用21个模拟和13个现实药理动力学数据集进行性能评估.
主要成果:
- 该管道在所有测试的模拟和现实数据集中展示了强大的性能.
- 来自管道的初步估计导致最终参数估计与真实值 (模拟) 或文献值 (现实) 密切匹配.
- 该工具有效地处理丰富和稀疏的数据场景.
结论:
- 开发的管道为获得PK初步估计提供了一种高效可靠的方法.
- 该工具支持在人群药理动力学建模中提高趋同性和准确性.
- 该管道的开源R包现在可供更广泛使用.
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