Comparative in vitro activities of enoxacin (CI-919, AT-2266) and eleven antipseudomonal agents against aminoglycoside-susceptible and -resistant Pseudomonas aeruginosa strains | Zendy

Christine Bassey | Zendy; Aldona L. Baltch | Zendy; Raymond P. Smith | Zendy; P E Conley | Zendy

Open Access

Comparative in vitro activities of enoxacin (CI-919, AT-2266) and eleven antipseudomonal agents against aminoglycoside-susceptible and -resistant Pseudomonas aeruginosa strains

Author(s) -

Christine Bassey,

Aldona L. Baltch,

Raymond P. Smith,

P E Conley

Publication year - 1984

Publication title -

antimicrobial agents and chemotherapy

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.07

H-Index - 259

eISSN - 1070-6283

pISSN - 0066-4804

DOI - 10.1128/aac.26.3.417

Subject(s) - cefsulodin , amikacin , tobramycin , aztreonam , microbiology and biotechnology , enoxacin , azlocillin , aminoglycoside , pseudomonas aeruginosa , piperacillin , antibacterial agent , chemistry , cefoperazone , imipenem , gentamicin , antibiotics , biology , ofloxacin , antibiotic resistance , bacteria , ciprofloxacin , genetics

The in vitro activity of enoxacin (CI 919, AT 2266), a new oral quinolone carboxylic acid compound, was compared with those of gentamicin, tobramycin, amikacin, azlocillin, piperacillin, aztreonam, moxalactam, imipenem, cefsulodin, ceftazidime, and cefoperazone against 101 aminoglycoside-susceptible and 105 aminoglycoside-resistant Pseudomonas aeruginosa strains. Among these 206 P. aeruginosa isolates were 25 strains with known mechanisms of resistance to amikacin. The activity of enoxacin was similar to that of tobramycin against aminoglycoside-susceptible strains, with MICs of 1.0 to 2.0 micrograms/ml and 0.5 to 1.0 microgram/ml, respectively, for 90% of the strains. Enoxacin was the most active agent in this in vitro study against aminoglycoside-resistant P. aeruginosa strains, with MICs of 2.0 to 4.0 micrograms/ml for 90% of the strains. Strains with enzymatic resistance to amikacin were more resistant to beta-lactams (except enoxacin and imipenem) than were strains with decreased permeability.

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