Activities of Daptomycin and Comparative Antimicrobials, Singly and in Combination, against Extracellular and Intracellular Staphylococcus aureus and Its Stable Small-Colony Variant in Human Monocyte-Derived Macrophages and in Broth

Antimicrobial Agents and Chemotherapy
2008.0

Abstract

We investigated the antistaphylococcal activities of daptomycin, gentamicin, and rifampin against two Staphylococcus aureus strains and their stable small-colony variants, singly and in combination, in human monocyte-derived macrophages and in broth. Intracellularly, the three-drug combination and two-drug combinations with rifampin were most effective. Extracellularly, daptomycin, daptomycin plus gentamicin, gentamicin plus rifampin, and the three-drug combination had similar activities.

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