层次深层模拟:一种工作流程,利用机器学习和贝叶斯推理来进行层次药量计模型
Ahmed Elmokadem1, Matthew Wiens1, Timothy Knab1
1Metrum Research Group, Tariffville, Connecticut, USA.
层次深层模拟 (HDCM) 通过使用机器学习来分析共变量关系和量化不确定性来改善药物行为预测. 这种先进的方法解决了以前深模型 (DCM) 的局限性.
科学领域:
- 制药指标 (Pharmacometrics) 是一个指标.
- 机器学习在药物开发中的作用
- 计算药理学计算药理学
背景情况:
- 人口药理动力学 (PK) 建模对于了解不同患者群体的药物处置至关重要.
- 在PK分析中共变量建模是复杂的,共变量与PK参数之间的关系具有挑战性.
- 之前的机器学习方法,如深度隔间建模 (DCM),在评估错误,可变性和不确定性方面存在局限性.
研究的目的:
- 引入层次深层分区建模 (HDCM) 作为对PK分析的DCM的进步.
- 利用机器学习来改善共变量和PK参数关系的阐明.
- 为了能够同时评估随机效应和量化模型不确定性.
主要方法:
- 应用HDCM,一种基于机器学习的方法.
- 贝叶斯推理的整合用于不确定性量化.
- 使用开源的 Julia 工具来实现工作流程.
主要成果:
- HDCM有效地识别了共变量和PK参数之间的复杂相互作用.
- 实现随机效应的同时评估和不确定性量化.
- HDCM 工作流提供了一个强大的框架,用于高级 PK 建模.
结论:
- HDCM克服了DCM的局限性,提供了更高的预测准确性和模型可靠性.
- 这种方法为了解药物行为和人口的变化提供了一个强大的工具.
- 该教程促进了HDCM在药理动力学研究中的实际应用.
更多相关视频
09:47Author Spotlight: Advancing Alzheimer's Research – Exploring Early Detection and Multi-Omics Approaches
Published on: December 15, 2023
04:09Predicting Treatment Response to Image-Guided Therapies Using Machine Learning: An Example for Trans-Arterial Treatment of Hepatocellular Carcinoma
Published on: October 10, 2018
相关概念视频
Mechanistic Models: Overview of Compartment Models
Model Approaches for Pharmacokinetic Data: Compartment Models
Two primary types of compartment models are recognized: mammillary and catenary. The more...
Model Approaches for Pharmacokinetic Data: Distributed Parameter Models
The distributed parameter models are specifically designed to account for variations and differences in some drug classes. This model is particularly useful for assessing regional concentrations of anticancer or...
Pharmacokinetic Models: Comparison and Selection Criterion
Physiological models take a detailed approach by considering specific molecular processes. They can predict drug distribution, metabolism, and elimination changes, providing a comprehensive understanding of how drugs interact with the body.
Pharmacokinetic Models: Overview
There are three primary types of models: empirical, compartment, and physiological. Empirical models, with minimal...
Multicompartment Models: Overview
These models offer a more comprehensive representation of drug behavior in the body than one-compartment models. They accommodate the complexity of drug distribution,...
