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Comparative in vitro activities of teicoplanin, daptomycin, ramoplanin, vancomycin, and PD127,391 against blood isolates of gram-positive cocci
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The in vitro activities of teicoplanin, daptomycin, ramoplanin, and PD127,391, a new quinolone, were compared with that of vancomycin. Teicoplanin showed the lowest MICs against Enterococcus faecalis. Ramoplanin was slightly more active than the other peptide antibiotics against oxacillin-resistant Staphylococcus aureus. The MICs of the four peptide antibiotics were similar for the oxacillin-susceptible S. aureus. Daptomycin had good activity against staphylococci but was the least active agent against E. faecalis. The MICs of vancomycin against all isolates were in general higher than those of the new antibiotics, with the exceptions of the MICs of daptomycin against E. faecalis and teicoplanin against oxacillin-resistant Staphylococcus epidermidis. PD127,391 was the most active agent against all staphylococcal isolates.
American Society for Microbiology
Title: Comparative in vitro activities of teicoplanin, daptomycin, ramoplanin, vancomycin, and PD127,391 against blood isolates of gram-positive cocci
Description:
The in vitro activities of teicoplanin, daptomycin, ramoplanin, and PD127,391, a new quinolone, were compared with that of vancomycin.
Teicoplanin showed the lowest MICs against Enterococcus faecalis.
Ramoplanin was slightly more active than the other peptide antibiotics against oxacillin-resistant Staphylococcus aureus.
The MICs of the four peptide antibiotics were similar for the oxacillin-susceptible S.
aureus.
Daptomycin had good activity against staphylococci but was the least active agent against E.
faecalis.
The MICs of vancomycin against all isolates were in general higher than those of the new antibiotics, with the exceptions of the MICs of daptomycin against E.
faecalis and teicoplanin against oxacillin-resistant Staphylococcus epidermidis.
PD127,391 was the most active agent against all staphylococcal isolates.
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