Journal of Antimicrobial Chemotherapy (2002) 49, 283-287
© 2002 The British Society for Antimicrobial Chemotherapy
Increased in vitro activity of the novel des-fluoro(6) quinolone BMS-284756 against genetically defined clinical isolates of Staphylococcus aureus
a Institute for Medical Microbiology and Virology, Heinrich-Heine University Düsseldorf, Germany; b Eijkman-Winkler Institute for Medical Microbiology, Utrecht University, The Netherlands
The in vitro activities of the novel des-fluoro(6) quinolone BMS-284756, ciprofloxacin, gatifloxacin and moxifloxacin were tested against 248 genetically defined Staphylococcus aureus isolates, comprised of 116 unrelated S. aureus, seven heterogeneous vancomycin-intermediate S. aureus (hetero-VISA) strains and 125 clonally related MRSA. All strains were susceptible to BMS-284756 at an investigational breakpoint of 1 mg/L. Reserpine did not decrease the MIC of BMS-284756 in any of the strains tested. The novel des-fluoro(6) quinolone BMS-284756 showed a significantly increased anti-staphylococcal activity.
* Correspondence address. Institute for Medical Microbiology and Virology, Heinrich-Heine-Universität Düsseldorf, Universitätsstraße 1, Geb. 22.21, 40225 Düsseldorf, Germany. Tel: +49-2132-72040; Fax: +49-2132-72040; E-mail: schmitfj{at}uni-duesseldorf.de
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