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In vitro activity of voriconazole against selected fungi
M R McGinnis1, L Pasarell, D A Sutton
1University of Texas Medical Branch, Department of Pathology and WHO Collaborating Center for Tropical Diseases, 301 University Boulevard, Galveston, TX 77555-0609, USA.mmcginni@utmb.edu
Abstract:
Fifty-nine isolates consisting of 14 genera and 33 species of ascomycetes, basidiomycetes, and zygomycetes were tested against amphotericin B, fluconazole, itraconazole and voriconazole using an in vitro modified macrobroth dilution procedure based upon the NCCLS M27-A standard method for yeasts. The triazoles voriconazole and itraconazole had similar MIC values, except for Acremonium alabamensis, A. strictum, Fusarium oxysporum, F. solani and Wangiella dermatitidis, which had substantially lower voriconazole MIC values. Voriconazole MIC values were lower than those for itraconazole for the 17 species of Trichosporon tested. Fluconazole had high MIC values, often greater than 128 microg ml-1.