In vitro activity of a novel diaminopyrimidine compound, iclaprim, against Chlamydia trachomatis and C. pneumoniae
Abstract
The in vitro activities of iclaprim, a novel dihydrofolate reductase inhibitor, azithromycin, and levofloxacin were tested against 10 strains of Chlamydia trachomatis and 10 isolates of Chlamydia pneumoniae. For C. trachomatis and C. pneumoniae, the iclaprim MIC and minimal bactericidal concentration at which 90% of isolates were inhibited (MIC(90) and MBC(90)) were 0.5 micro g/ml, compared to an azithromycin MIC(90) and MBC(90) of 0.125 micro g/ml and levofloxacin MIC(90)s and MBC(90)s of 1 micro g/ml for C. trachomatis and 0.5 micro g/ml for C. pneumoniae.
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