Abstracts

Population pharmacokinetics modeling of selpercatinib and simulation to support posology in paediatric and adolescent patients

Thursday 16 October, 2025

Objectives:  Selpercatinib, a first-in-class highly selective and potent rearranged during transfection (RET) kinase inhibitor with central nervous system activity, is…

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Population pharmacokinetics of selpercatinib in patients with an advanced solid tumor, including RET fusion-positive NSCLC, RET-mutant MTC, and other tumors with increased RET activity

Thursday 16 October, 2025

Objectives:  Selpercatinib, a first-in-class highly selective and potent rearranged during transfection (RET) kinase inhibitor with central nervous system activity, is…

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Population pharmacokinetics of dolutegravir co-administered with rifampicin in Thai people living with HIV and TB

Thursday 16 October, 2025

Introduction/Objectives  Dolutegravir (DTG), a second-generation integrase strand transfer inhibitor (INSTI), is recommended as the first-line treatment for people living with…

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Comparison of performances of the open-source R package “nlmixr” vs. Monolix for population pharmacokinetics of continuous infusion meropenem in patients with onco-hematological malignancies

Thursday 16 October, 2025

Introduction Meropenem is a carbapenem used for empirical escalation therapy of onco-hematological patients with febrile neutropenia who are at risk…

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Dose Reduction and Population Pharmacokinetics of Lopinavir/ritonavir with and without Rifampin in Thai HIV-infected patients

Thursday 16 October, 2025

Introduction/Objectives: Lopinavir/Ritonavir (LPV/r) is an alternative drug in HIV-1 treatment when the first-line drugs cannot be used [1]. Currently, the…

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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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Model-integrated bioequivalence method for highly variable drugs with long half-life: a simulation study comparing complete washout and incomplete washout designs

Thursday 16 October, 2025

Objectives:  An in vivo bioequivalence (BE) study with pharmacokinetic (PK) endpoints may be recommended to support the conclusion of therapeutic…

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Impact of Imbalanced Baseline Responses among Dose Levels in the Exposure-Response Analysis by Nonlinear Mixed-Effect Modeling

Thursday 16 October, 2025

Introduction: Dose-ranging clinical studies can encounter imbalanced baseline responses among the groups of subjects testing different dose levels of a drug,…

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The International Society of Pharmacometrics’ Special Interest Group on Quantitative Systems Pharmacology (ISoP QSP SIG): Recent Developments and Future Vision

Thursday 16 October, 2025

Objectives: The use of Quantitative Systems Pharmacology (QSP) as part of the drug development process just keeps growing over the…

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Population pharmacokinetic meta-analysis and dosing recommendation of meropenem in critically ill patients receiving continuous renal replacement therapy

Thursday 16 October, 2025

Introduction: The pharmacokinetics of meropenem in critically ill patients undergoing continuous renal replacement therapy (CRRT) is complicated. The volume of…

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