Abstracts

Uncertainty computation at finite distance in nonlinear mixed effects models – a new method evaluated on simulations and applied to the evolution of clinical status of patients hospitalised for COVID-19

Thursday 16 October, 2025

Number of characters: 4429/4500 Objectives: The standard error (SE) of the maximum likelihood estimate (MLE) of the population parameter vector…

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Model-based analysis of PK equivalence: assessing the impact of model misspecification

Thursday 16 October, 2025

Introduction: Model-based approaches (MB-TOST) have been advocated to test for equivalence in sparse PK studies but questions about their performance…

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The importance of model selection for a priori model informed precision dosing of vancomycin

Thursday 16 October, 2025

Objectives: Vancomycin is a commonly used antibiotic for gram positive infections at the Intensive Care unit. However, in 2020 only…

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A step towards automated and individualized first dose of vancomycin

Thursday 16 October, 2025

Objectives: Vancomycin is a commonly used antibiotic at Intensive Care Units for gram-positive infections.1 With the current dosing regimen, the…

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Explainable machine learning for time-to-event analysis: exploring time-dependent covariate effects on models of small cell lung cancer

Thursday 16 October, 2025

Objectives: Traditional time-to-event analysis relies on parametric or semi-parametric models, such as the Cox proportional hazards model, to estimate the effects…

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Role of tree-based machine learning algorithms in prognostic pattern detection: an Extensive-Disease Small Cell Lung Cancer (ED-SCLC) study

Thursday 16 October, 2025

Introduction: Retrospective studies using clinical data from cancer patients usually are analysed using  Cox Proportional Hazards CPH. [1] This approach has…

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Overcoming the discrepancies between clinical trials and real-world data of small cell lung cancer chemotherapy. A data-driven approach to learn across real-world evidence studies

Thursday 16 October, 2025

Objectives: Since the 21st Century Cures Act in 2015, the potential for translating between real-world data (RWD) and clinical trials…

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A model based approach to infer overall survival (OS) in hormone receptor positive (HR+) human epidermal growth factor receptor 2 negative (HER2-) metastatic breast cancer (HR+/HER2- mBC)

Thursday 16 October, 2025

Introduction: Assessment of benefit in clinical trials of systemic therapy for HR+/HER2- mBC is commonly performed by using progression free…

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Population pharmacokinetic modelling of levetiracetm in criticaclly ill patients. Influence of creatinine clearance on the probability to attain target concentrations.

Thursday 16 October, 2025

Objectives: Levetiracetam is a broad-spectrum antiepileptic drug commonly used in seizure treatment and prophylaxis in the intensive care units (ICUs). Augmented…

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Population pharmacokinetic modelling and Monte Carlo simulation of piperacillin administered as extended infusion in critically ill patients

Thursday 16 October, 2025

Introduction/Objectives: Piperacillin/tazobactam is a beta-lactam/beta-lactamase inhibitor combination with activity against gram-positive and gram-negative aerobic and anaerobic bacteria [1]. Piperacillin exhibits…

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