Bactericidal activities of DU-6859a and clinafloxacin (CI-960) against staphylococci

Author:

Forstall G J1,Knapp C C1,Washington J A1

Affiliation:

1. Department of Clinical Pathology, Cleveland Clinic Foundation, Ohio 44195-5140.

Abstract

Time killing curves were calculated at concentrations of 2 and 8 times the MICs of DU-6859a and clinafloxacin against six isolates of Staphylococcus aureus. Both quinolones produced a decrease in the log10 CFU per milliliter of > or = 3 within 3 h at 2 and 8 times the MIC for the ciprofloxacin-susceptible isolates and at 8 times the MIC for the ciprofloxacin-resistant isolates; however, only 8 times the MIC of DU-6859a consistently prevented regrowth of all isolates after 24 h of incubation.

Publisher

American Society for Microbiology

Subject

Infectious Diseases,Pharmacology (medical),Pharmacology

Reference9 articles.

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2. Hooper D. C. and J. S. Wolfson. 1993. Mechanisms of quinolone action and bacterial killing p. 53-75. In D. C. Hooper and J. S. Wolfson (ed.) Quinolone antimicrobial agents. American Society for Microbiology Washington D.C.

3. CI-960, a novel fluoroquinolone, for therapy of experimental ciprofloxacin-susceptible and -resistant Staphylococcus aureus endocarditis;Kaatz G. W.;Antimicrob. Agents Chemother.,1992

4. Levin C. S. and J. T. Smith. 1988. Bactericidal mechanisms of ofloxacin. J. Antimicrob. Chemother. 22(Suppl. C):1-8.

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