Document Type
Article
Date of Original Version
2015
Department
Pharmacy Practice
Abstract
Pharmacodynamic activity in antibiotic combinations of daptomycin, vancomycin and linezolid was investigated in a 48h in vitro pharmacodynamic model. Using free human-simulated concentrations, activity against clinical biofilm-forming methicillin-resistant Staphylococcus aureus isolates was evaluated. Linezolid antagonized vancomycin activity at 24 and 48h. Linezolid antagonized daptomycin at 24 and 48h depending on dose and strain. Adding daptomycin increased vancomycin activity at 48h (P < 0.03). These results may be strain dependent and require further clinical investigation.
Citation/Publisher Attribution
Luther, M. & LaPlante, K. L. (2015). Observed antagonistic effect of linezolid on daptomycin or vancomycin activity against biofilm-forming methicillin-resistant Staphylococcus aureus in an in vitro pharmacodynamic model. Antimicrobial Agents and Chemotherapy, 59(12), 7790-7794. doi: 10.1128/AAC.01604-15
Available at: http://dx.doi.org/10.1128/AAC.01604-15
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