Multilaboratory testing of antifungal combinations against a quality control isolate of Candida krusei |
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| Authors: | Chaturvedi Vishnu Ramani Rama Ghannoum Mahmoud A Killian Scott B Holliday Nicole Knapp Cindy Ostrosky-Zeichner Luis Messer Shawn A Pfaller Michael A Iqbal Naureen J Arthington-Skaggs Beth A Vazquez Jose A Sein Tin Rex John H Walsh Thomas J |
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| Affiliation: | Mycology Laboratory, Wadsworth Center, New York State Department of Health, 120 New Scotland Ave., Albany, NY 12208, USA. vishnu@wadsworth.org |
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| Abstract: | Candida krusei ATCC 6258 was tested by eight laboratories using 96-well plates containing checkerboard pairwise combinations of amphotericin B (AMB), posaconazole (PSC), caspofungin (CSP), and voriconazole (VRC). The methodology led to reproducible results across the laboratories. All drug combinations yielded MICs lower than the MICs of any two drugs tested singly, and combinations of AMB, PSC, CSP, and VRC were indifferent (no antagonism) by summations of fractional inhibitory concentration. |
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