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In Vitro Activities of a Novel Cephalosporin, CB-181963 (CAB-175), against Methicillin-Susceptible or -Resistant Staphylococcus aureus and Glycopeptide-Intermediate Susceptible Staphylococci

By Vanthida Huang, William J. Brown and Michael J. Rybak


We examined the activity of CB-181963, a novel cephalosporin, against methicillin-resistant Staphylococcus aureus (MRSA) (n = 200), methicillin-susceptible S. aureus (MSSA) (n = 50), glycopeptide-intermediate Staphylococcus species (GISS) (n = 47), and VRSA (n = 2) isolates. CB-181963 exhibited MIC profiles similar to those of linezolid against MRSA and GISS; however, activity against MSSA was similar to that of vancomycin. Time-kill study results of investigations of activity against MRSA, MSSA, and GISS at 24 h were as follows: CB-181963 activity = vancomycin activity > linezolid activity (P < 0.001); CB-181963 = quinupristin-dalfopristin = vancomycin > linezolid (P < 0.05); CB-181963 > linezolid (P = 0.003); and CB-181963 = quinupristin-dalfopristin = vancomycin. CB-181963 may provide an alternative treatment for multidrug-resistant staphylococci

Topics: Susceptibility
Publisher: American Society for Microbiology
Year: 2004
DOI identifier: 10.1128/AAC.48.7.2719-2723.2004
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Provided by: PubMed Central
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