Abstract
The antibacterial activity of the topical quinolone OPC-7251 against bacteria commonly found in acne vulgaris was tested in vitro by an agar dilution method. The MIC50 was 0.25 mg/l forPropionibacterium acnes, 0.125 mg/l forPropionibacterium granulosum, 0.03 mg/l forStaphylococcus aureus and 0.06 mg/l for coagulase-negative staphylococci. Compared with seven other antibiotics tested (ciprofloxacin, penicillin, erythromycin, tetracycline, clindamycin, fusidic acid and gentamicin), OPC-7251 had potent activity against both propionibacteria and staphylococci and the lowest incidence of resistant strains.
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Vogt, K., Hermann, J., Blume, U. et al. Comparative activity of the topical quinolone OPC-7251 against bacteria associated with acne vulgaris. Eur. J. Clin. Microbiol. Infect. Dis. 11, 943–945 (1992). https://doi.org/10.1007/BF01962381
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DOI: https://doi.org/10.1007/BF01962381