Poster: Methodology - Covariate/Variability Models

Redefining normal variability of drug disposition

Thursday 16 October, 2025

Objectives: The pharmacokinetics of many drugs are said to be predictable. This is often used to imply the ease of dosing…

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Comparison of common methodologies for accounting for IIV for oral bioavailability in the absence of intravenous data

Thursday 16 October, 2025

Objectives: The oral bioavailability (F) of a drug is the product of the fraction absorbed (Fa), the fraction escaping the…

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Evaluation of stepwise covariate model selection with Bayesian models

Thursday 16 October, 2025

Objectives: Stepwise covariate modeling (SCM) is a commonly used tool for covariate model selection. Traditionally, SCM as implemented in Perl…

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New micronized formulation does not affect the population pharmacokinetic properties of artemisinin.

Thursday 16 October, 2025

Objectives: Malaria is still a major health problem in the poorest parts of the world. The highly effective first line treatment…

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Aging and maturation as a reliability problem: The Weibull distribution and age- and maturation-adjustment functions

Thursday 16 October, 2025

Objectives: In covariate analysis, age is often examined for its relationship with model parameters. An individual’s age is informative for…

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Implicit and efficient handling of missing covariate information using full random effects modelling

Thursday 16 October, 2025

Introduction: Covariates are observable predictors that are included in models to reduce the unexplained variability. The identification and estimation of…

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Dose Response Models for Multiple Endpoints: A Simulation Study

Thursday 16 October, 2025

Objectives: There are potential advantages in modeling multiple endpoints simultaneously in a single model fit: 1) perform tests on shared parameters…

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The population pharmacokinetics of Compound X following single and multiple intravenous infusions, to healthy subjects and subjects following surgery.

Thursday 16 October, 2025

Objectives: The aim of this study was to characterise the pharmacokinetics (PK) of Compound X in healthy subjects and subjects…

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Bayesian Variable Selection for high-throughput genetic association analysis in population pharmacokinetics.

Thursday 16 October, 2025

Rational: In population pharmacokinetics (PK), the standard genetic association analysis is a stepwise procedure. We have shown that an integrated…

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Population approach in high-throughput pharmacogenetics: challenging the maximum likelihood approaches and exploration of a Bayesian alternative

Thursday 16 October, 2025

Context: In a previous study, we have shown that an integrated approach, simultaneously estimating the PK model parameters and the genetic…

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