Comparison of Ertapenem Distribution in the Muscle of Six Healthy Volunteers and Six Critically Ill Patients by Microdialysis

Overview

Ertapenem is an antibiotic that is highly bound to plasma protein (\> 95%). The effects of this high protein binding on tissue distribution of antibiotics have been few evaluated yet. In this study, two groups of subjects will be compared: 6 healthy volunteers and 6 critically ill patients (patients with infection due to an Ertapenem susceptible bacteria). Indeed, these 2 populations show changes in binding capacity of drugs to plasma proteins due to a decrease of protidaemia and of the affinity of drugs to transport proteins. It seems therefore important to clarify the consequences of a modification in protein binding on distribution of antibiotics. That's why we have decided to characterize tissue distribution of ertapenem in healthy volunteers and critically ill patients by assessing: free and total concentrations in plasma and free concentrations in muscle by microdialysis.

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Eligibility

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