2005•Antimicrobial Agents and ChemotherapyOpen access

Activity of Glycopeptides against Staphylococcus aureus Infection in a Rabbit Endocarditis Model: MICs Do Not Predict In Vivo Efficacy

Nathalie Asseray, Cédric Jacqueline, Virginie Le Mabecque, Éric Batard, Denis Bugnon, G. Potel, J. Caillon

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Abstract

The in vivo efficacy of vancomycin and teicoplanin against five Staphylococcus aureus strains with different susceptibilities to them and methicillin was studied. Rabbits were allocated at random to groups for endocarditis induction with one of these five strains and then treated for 2 days with vancomycin or teicoplanin. Each treated group was compared with a control group infected with the same strain. Vancomycin and teicoplanin showed similar activities. Low MICs did not predict better in vivo results.

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What this paper is about

The in vivo efficacy of vancomycin and teicoplanin against five Staphylococcus aureus strains with different susceptibilities to them and methicillin was studied. Rabbits were allocated at random to groups for endocarditis induction with one of these five strains and then treated for 2 days with vancomycin or teicoplanin. Each treated group was compared with a control group infected with the same strain. Vancomycin and teicoplanin showed similar activities. Low MICs did not predict better in vivo results.

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Available abstract

The in vivo efficacy of vancomycin and teicoplanin against five Staphylococcus aureus strains with different susceptibilities to them and methicillin was studied. Rabbits were allocated at random to groups for endocarditis induction with one of these five strains and then treated for 2 days with vancomycin or teicoplanin. Each treated group was compared with a control group infected with the same strain. Vancomycin and teicoplanin showed similar activities. Low MICs did not predict better in vivo results.

Key concepts: Teicoplanin, Vancomycin, Glycopeptide, Microbiology, Staphylococcus aureus, In vivo, Endocarditis, Micrococcaceae

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