In vitro activity of a new cephalosporin, RWJ-54428, against streptococci, enterococci and staphylococci, including glycopeptide-intermediate Staphylococcus aureus.
Open Access
- 1 May 2002
- journal article
- research article
- Published by Oxford University Press (OUP) in Journal of Antimicrobial Chemotherapy
- Vol. 49 (5) , 845-850
- https://doi.org/10.1093/jac/dkf020
Abstract
The need for new antimicrobial agents with activity against Gram-positive organisms has become increasingly important because of emerging resistance. We compared the activity of a new b-lactam antimicrobial agent, RWJ-54428 (MC-02 479), with representatives of other classes of antimicrobial agents against 76 Staphylococcus aureus (including four glycopeptide- intermediate strains), 50 coagulase-negative staphylococci, 20 Enterococcus faecalis, 20 Enterococcus faecium, 10 Enterococcus gallinarum/Enterococcus casseliflavus, 54 Streptococcus pneumoniae and 22 viridans streptococcal isolates. The MIC90 of RWJ-54428 was ≤2 mg/L for all groups of bacteria tested except E. faecium. The activity against four strains of glycopeptide-intermediate S. aureus was similar to that for other methicillin-resistant S. aureus isolates (range 0.5–2.0 mg/L).Keywords
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