Poster: Methodology - Covariate/Variability Models

Application of different methodologies to explain the pharmacokinetic variabilities in pregnant women: Case study of Sulindac usage

Thursday 16 October, 2025

Objectives: Physiological changes during pregnancy are well known and these have various effects on drug pharmacokinetics (PK). The objective of…

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Adjusted adaptive lasso for covariate model building in nonlinear mixed effects models

Thursday 16 October, 2025

Objectives: This study aimed to propose and implement a new version of lasso, Adjusted Adaptive Lasso [1], for non-linear mixed…

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Applying parametric bootstrap to generating a distribution of pseudo-objective function value difference for model selection in population pharmacokinetic analysis under time zone-specific nonexistence of observations

Thursday 16 October, 2025

Introduction: The likelihood ratio test is typically conducted to evaluate whether a candidate covariate should be included into or excluded…

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Hierarchical Bayesian-PBPK modeling for physiological characterization and extrapolation of patient populations from clinical data

Thursday 16 October, 2025

Objectives: The identification of interindividual variability from clinical pharmacokinetic data using a hierarchical Bayesian approach in combination with large-scale physiologically-based…

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Handling inter-occasion variability in model implementation for Bayesian forecasting: A comparison of methods and metrics.

Thursday 16 October, 2025

Objectives: Inter-occasion variability (IOV) can substantially impact the accuracy and precision in Bayesian forecasting (BF) in the context of therapeutic…

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Investigating the Importance of Considering Inter-correlations of Cytochrome P450 Enzyme Abundances in Human Liver When Predicting Drug-Drug Interactions

Thursday 16 October, 2025

Objectives: We have previously compared the marginal distribution of 13 hepatic CYP450 enzymes with and without considering inter-correlations of absolute abundances…

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Towards more Realistic Clinical Trial Simulation: Establishing Inter-Correlations between Several Cytochrome P450 Enzyme Abundances in Human Liver

Thursday 16 October, 2025

Objectives: Success of clinical trial simulations greatly depends on identifying and incorporating true anatomical and physiological covariates when generating virtual populations….

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Exploring fixed dose versus body weight based dosing for monoclonal antibodies using physiologically based pharmacokinetic modelling.

Thursday 16 October, 2025

Objectives: To determine whether physiologically based pharmacokinetic (PBPK) models, which incorporate covariates and interindividual variability in systems parameters, are effective…

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Emerging covariates on the pharmacokinetics of monoclonal antibodies: Do current PBPK models account for the covariates identified in POPPK studies?

Thursday 16 October, 2025

Objectives: To identify covariates that impact significantly on the pharmacokinetic (PK) parameters of monoclonal antibodies (mAbs) in population pharmacokinetic (POPPK) studies…

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Covariate model selection in an Alzheimer disease progression model

Thursday 16 October, 2025

Objectives: Although in the past two decades hundreds of molecules were tested against Alzheimer disease (AD) only five for symptomatic…

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