Publications by authors named "W A Van Os"

When the COVID-19 pandemic swept through Europe in 2020, veterinary educational institutions faced new challenges overnight: distance learning became imperative, and teachers were forced to develop e-learning material on the fly. As a response to the unfortunate situation, veterinary faculties at three European universities (Utrecht, Copenhagen, Helsinki) applied for and received an Erasmus+ grant to develop an international platform for sharing veterinary e-learning material. Technical and administrative challenges caused a slow start.

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Introduction: Hemodialysis patients (HDPs) exhibit extensive cardiovascular risk. The widely prescribed anti-platelet agent clopidogrel is metabolically activated by cytochrome enzymes, which may be impaired by uremia and chronic low-grade inflammation, typically present in HDPs. We conducted a prospective multicenter study to investigate the pharmacokinetics and pharmacodynamics of clopidogrel in HDPs and healthy volunteers (HVs).

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Background: Cefiderocol may potentially be used to treat skin and soft tissue infections (SSTIs). However, the pharmacokinetics of cefiderocol in human soft tissues have not yet been determined. The objective of the present PK study was to investigate whether target-site concentrations of cefiderocol are sufficiently high for the treatment of SSTIs.

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The composition and morphology of lipid-based nanoparticles can influence their overall behavior. Previously, we demonstrated that phase separation in liposomes composed of DSPC and a diacylglycerol lipid analogue (DOaG) drives the biodistribution towards a specific subset of endothelial cells in zebrafish embryos. In the absence of traditional targeting functionalities (, antibodies, ligands), this selectivity is mediated solely by the unique liposome morphology and composition, characterized by a DOaG-rich lipid droplet within the DSPC-rich phospholipid bilayer.

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Background: Temocillin is increasingly considered as an alternative to carbapenems. However, there is no consensus on optimal dosing strategies and limited data on temocillin efficacy in systemic infections.

Objectives: We compared temocillin dosing strategies using pharmacokinetic/pharmacodynamic (PK/PD) modelling and simulation based on plasma exposure and in vitro time-kill data.

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