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Related Experiment Video

Updated: Jul 19, 2026

Improved Enzyme Protection Assay to Study Staphylococcus aureus Internalization and Intracellular Efficacy of Antimicrobial Compounds

Improved Enzyme Protection Assay to Study Staphylococcus aureus Internalization and Intracellular Efficacy of Antimicrobial Compounds

Published on: September 8, 2021

[Optimal vancomycin serum level in Staphylococcus aureus infections?].

E Bingen¹, P Mariani-Kurkdjian, B Nebbad

¹Service de microbiologie, hôpital Robert-Debré, APHP, 48, boulevard Sérurier, 75935 Paris cedex 19, France. edouard.bingen@rdb.aphp.fr <edouard.bingen@rdb.aphp.fr>

Medecine Et Maladies Infectieuses

|October 10, 2006

Summary

Vancomycin dosing for Staphylococcus infections needs adjustment. Current guidelines may promote resistance; targeting 5-10 times the minimum inhibitory concentration (MIC) is recommended for effective treatment.

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Development and Assessment of Intracellular Infection Models for Staphylococcus aureus

Development and Assessment of Intracellular Infection Models for Staphylococcus aureus

Published on: January 17, 2025

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Last Updated: Jul 19, 2026

Improved Enzyme Protection Assay to Study Staphylococcus aureus Internalization and Intracellular Efficacy of Antimicrobial Compounds

Improved Enzyme Protection Assay to Study Staphylococcus aureus Internalization and Intracellular Efficacy of Antimicrobial Compounds

Published on: September 8, 2021

Development and Assessment of Intracellular Infection Models for Staphylococcus aureus

Development and Assessment of Intracellular Infection Models for Staphylococcus aureus

Published on: January 17, 2025

Area of Science:

Pharmacology
Infectious Diseases
Microbiology

Context:

Vancomycin is crucial for treating methicillin-resistant Staphylococcus aureus (MRSA).
Current vancomycin monitoring focuses on serum concentrations, not peak levels.
Established therapeutic ranges may not fully prevent resistance emergence.

Purpose:

To evaluate current vancomycin dosing strategies against Staphylococcus strains.
To assess the risk of resistance associated with prolonged vancomycin exposure.
To propose optimized vancomycin serum concentration targets based on MIC variability.

Summary:

Vancomycin's efficacy is time-dependent, but prolonged exposure near the minimum inhibitory concentration (MIC) can foster resistance.
Existing guidelines recommend 15-20 mg/l for severe infections, but vancomycin MICs vary widely (0.12-4 mg/l).
The study suggests targeting vancomycin serum concentrations 5-10 times the MIC to ensure efficacy and mitigate resistance.

Impact:

Informs updated clinical guidelines for vancomycin therapy.
Aims to improve treatment outcomes for MRSA infections.
Contributes to antimicrobial stewardship by addressing antibiotic resistance concerns.