Poster: Methodology - New Modelling Approaches

Novel convolution-based In vitro-In vivo correlation (IVIVC) model with time scaling and bioavailability sub-models for, JORNAY PM®, a methylphenidate hydrochloride delayed-release and extended-release capsule

Thursday 16 October, 2025

Objectives:  Methylphenidate hydrochloride (MPH) is a central nervous system stimulant and is used as a first line of treatment for…

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A Mini-Tutorial on Campsis: The R-Based PK/PD Simulation Suite

Thursday 16 October, 2025

Introduction: Campsis (www.campsis.org) is a suite of R packages designed to facilitate the setup and execution of PK/PD simulations in…

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Comparison of the mechanistic static in vivo approach to a PBPK approach for prediction of metabolic drug-drug interactions.

Thursday 16 October, 2025

Objectives: Quantitative prediction of the magnitude of a drug-drug interaction (DDI) is useful to identify the clinical interaction studies to…

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Pharmacodynamic age structured population model for cell trafficking

Thursday 16 October, 2025

Introduction: Cell trafficking encompasses movement of the immune system cells (e.g., granulocytes, lymphocytes) between the blood and the extravascular tissues…

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Item Response Theory Model as Support for Decision-Making: Simulation Example for Inclusion Criteria in Alzheimer’s Trial

Thursday 16 October, 2025

Objectives: Item Response Theory (IRT) has been introduced in pharmacometrics for the characterization of the Alzheimer’s Disease (AD) Assessment Scale –…

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Handling Underlying Discrete Variables with Mixed Hidden Markov Models in NONMEM

Thursday 16 October, 2025

Objectives: Concomitant infection impact on CD4 counts or rescue medication effect on pain score are examples of covariate relationships often not…

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Use of distributed delay in PML

Thursday 16 October, 2025

Objectives: ODEs incorporating delay are called Delay Differential Equations (DDEs). They can be thought of as convolving an input function with…

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Mixed-effect models for longitudinal exposure to co-administered drugs and time-to-event data: prediction of risk of graft failure in renal transplant patients.

Thursday 16 October, 2025

Objectives: This study aimed to investigate, in adult kidney transplant recipients, the relationship between longitudinal exposure to co-administered immunosuppressive drugs…

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Understanding the gastrointestinal absorption of drugs using Physiologically Based Finite Time Pharmacokinetic (PBFTPK) Models: Focus on Biowaivers

Thursday 16 October, 2025

Introduction: The introduction of the Finite Absorption Time (F.A.T.) [1,2] concept led to the development of PBFTPK models [3], successfully…

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A Mechanistic Modeling Approach Characterizing the Interaction of Pharmacokinetics and Pharmacodynamics of a Monoclonal Antibody and the Supply/Synthesis of its target in Cynomolgus Monkey

Thursday 16 October, 2025

Objectives: To develop a mechanistic PK/PD model simultaneously describing the nonlinear interaction between antibody and its target, including drug disposition,…

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