INCREASED ACTIVITY OF A NEW CHLOROFLUOROQUINOLONE, BAY-Y-3118, COMPARED WITH ACTIVITIES OF CIPROFLOXACIN, SPARFLOXACIN, AND OTHER ANTIMICROBIAL AGENTS AGAINST ANAEROBIC-BACTERIA
Ke. Aldridge, INCREASED ACTIVITY OF A NEW CHLOROFLUOROQUINOLONE, BAY-Y-3118, COMPARED WITH ACTIVITIES OF CIPROFLOXACIN, SPARFLOXACIN, AND OTHER ANTIMICROBIAL AGENTS AGAINST ANAEROBIC-BACTERIA, Antimicrobial agents and chemotherapy, 38(7), 1994, pp. 1671-1674
A total of 435 clinical isolates of anaerobes were tested with a broth
microdilution method to determine the activity of BAY y 3118 compared
with those of other agents against anaerobic bacteria. All strains of
Bacteroides capillosus, Prevotella spp., Porphyromonas spp., Fusobact
erium spp., Clostridium spp., Eubacterium spp., Peptostreptococcus spp
., and Veillonella parvula were susceptible (MICs of less than or equa
l to 2 mu g/ml) to BAY y 3118. Against the 315 strains of the Bacteroi
des fragilis group, five strains required elevated MICs (greater than
or equal to 4 mu g/ml) of BAY y 3118. Only imipenem and metronidazole
were active against all anaerobes. Overall, BAY y 3118 was more active
than ciprofloxacin, sparfloxacin, piperacillin; cefotaxime, and clind
amycin against the test isolates.