Poster: Methodology - Covariate/Variability Models

Population pharmacokinetics of MLT103 and determination of CYP2D6 polymorphism by mixture modelling

Thursday 16 October, 2025

Objectives: Meletios Therapeutics is currently developing MLT103 (compound initially evaluated in the 1990s) with various pharmacological properties: it is a…

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Estimating a Cox proportional hazard model in NONMEM

Thursday 16 October, 2025

Objectives: Traditionally the most commonly used model for survival analysis is the Cox proportional hazard (Cox PH) model [1]. The…

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The Population Pharmacokinetics of Active Metabolites of a prodrug PF-0417132, (Dissociated Agonist of Glucocorticoid Receptor), in Rheumatoid Arthritis subjects

Thursday 16 October, 2025

Objectives: Develop a PK model for PF-00251802 (parent) and its active metabolite PF-04015475 after oral administration of the prodrug PF-0417132….

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Efficient and relevant stepwise covariate model building for pharmacometrics

Thursday 16 October, 2025

Background: Covariate modeling is an important opportunity for pharmacometrics to influence decision-making in drug development. The stepwise covariate model (SCM)[1] building…

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Increasing the efficiency of the covariate search algorithm in the SCM

Thursday 16 October, 2025

Objectives: To compare the efficiency of the legacy SCM covariate search algorithm [1] to the new SCM+ algorithm. Methods: The SCM+…

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Population PK analysis of Sym004 and the influence of variations in base model structure on covariate model building

Thursday 16 October, 2025

Objectives: Sym004 is a mixture of two synergistic full-length anti-EGFR antibodies (futuximab & modotuximab) that bind to 2 separate non-overlapping epitopes…

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Population PK analysis with full and reduced covariate models for Sym004, an antibody mixture targeting EGFR

Thursday 16 October, 2025

Introduction: Sym004 is a mixture of two synergistic full-length anti-EGFR antibodies (futuximab & modotuximab) that bind to two separate non-overlapping…

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Horseshoe prior as a fast and efficient approach for covariate selection in pharmacometric modelling

Thursday 16 October, 2025

Introduction: Covariate model building is a crucial step in pharmacometric analyses. The selected covariate model may be used to support…

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Impact of Size-Related Covariates on the Central Volume and Clearance of Monoclonal Antibodies

Thursday 16 October, 2025

Objectives The dosing of monoclonal antibodies (mAbs) in oncology is often based on body size, despite evidence suggesting that fixed…

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Using Full Random Effects Models (FREM) in different software

Thursday 16 October, 2025

Introduction: The Full Random Effect Modelling (FREM)[1] is an innovative approach for exploring covariate effects in mixed effect models. Unlike…

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