Abstract
The antibacterial activity of levofloxacin was compared with those of ofloxacin and ciprofloxacin against bacterial isolates from patients with cancer. In general, levofloxacin was as active or was twofold more active than ofloxacin and was two- to fourfold less active than ciprofloxacin against most gram-negative pathogens. Against Pseudomonas aeruginosa, ciprofloxacin was the most active agent tested (MIC for 90% of isolates tested, 1.0 microgram/ml). Overall, all three agents had similar activities against gram-positive organisms and were moderately active against methicillin-susceptible Staphylococcus aureus and coagulase-negative staphylococci, Streptococcus species, and Enterococcus species.
MeSH Terms
Anti-Infective Agents/pharmacology
Bacteria/drug effects
Bacterial Infections/complications,microbiology
Ciprofloxacin/pharmacology
Gram-Negative Bacteria/drug effects
Gram-Positive Bacteria/drug effects
Humans
Levofloxacin
Microbial Sensitivity Tests
Neoplasms/complications
Ofloxacin/pharmacology
Stereoisomerism
Chemicals
Anti-Infective Agents
Ciprofloxacin
Levofloxacin
Ofloxacin
Authors & Affiliations
5 authors, click to expand affiliations / ORCID
Dholakia N
Department of Medical Specialties, University of Texas M. D. Anderson Cancer Center, Houston 77030.
Rolston K V
Ho D H
LeBlanc B
Bodey G P
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