Poster: Methodology - Covariate/Variability Models

Toward Personalized Salbutamol Therapy: Validating Virtual Patient-Derived Population Pharmacokinetic Model with Real-World Data

Thursday 16 October, 2025

Objectives: The variability in patients’ therapeutic responses underscores the importance of understanding pharmacokinetics (PK) and pharmacodynamics (PD) for effective drug…

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Causal considerations in Exposure-Response and Population PK covariate analysis

Thursday 16 October, 2025

Background & Objectives: Pharmacometric models often address causal questions, specifically examining the impact of changing an independent variable (X) on…

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Covariate Modelling and Bayesian Inference for Physiologically Based Pharmacokinetic Models

Thursday 16 October, 2025

Objectives: We describe a general framework for integrating data on individual-specific covariates (measurable physiological characteristics and other parameters dependent on those)…

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pmxcopula – R package for copula-based covariate simulation

Thursday 16 October, 2025

Introduction: Patient characteristics or covariates can inform treatment optimization using pharmacometric simulations. Incorporating realistic sets of patient covariates, i.e. virtual…

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Generation of realistic virtual adult populations using the NHANES database: a copula approach

Thursday 16 October, 2025

Introduction: Generation of virtual patient populations which consist of sets of patient-associated covariates is of relevance for pharmacometric simulations of…

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Comparison of PK models using normal and log-transformed scale data

Thursday 16 October, 2025

Introduction: Pharmacometric modelers usually choose on what form of data to use: normal scale or natural log-transformed data. While it is…

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Extension of the covariate clinical relevance determination in population pharmacokinetic analyses to the Least Absolute Shrinkage and Selection Operator (LASSO) and to Genetic Algorithm (GA) approaches

Thursday 16 October, 2025

Introduction: Identifying covariate clinical relevance (CCR) is essential for patient dose adjustment and is a key step according to health…

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A unifying approach to sampling NLME model parameters

Thursday 16 October, 2025

Objectives: Simulation of models is a key element of model diagnostics as well as a popular method for model-based prospective decision…

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New findings challenging common concepts on drug pharmacokinetics in the obese

Thursday 16 October, 2025

Objectives: Overweight and obesity is rising worldwide and pharmacotherapy of these patients is challenging. As the number of studies on…

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Stepwise Covariate Modelling (SCM) versus Full Random Effects Modelling (FREM) for covariate modelling of liver function markers exemplified with tigecycline

Thursday 16 October, 2025

Introduction/Objectives: The hepatic panel offers many potential covariates to inform about liver function, but no single biomarker can estimate the…

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