Antifungal activities of fluconazole, caspofungin (MK0991), and anidulafungin (LY 303366) alone and in combination against Candida spp. and Crytococcus neoformans via time-kill methods

被引:78
作者
Roling, EE
Klepser, ME [1 ]
Wasson, A
Lewis, RE
Ernst, EJ
Pfaller, MA
机构
[1] Ferris State Univ, Coll Pharm, Big Rapids, MI 49307 USA
[2] Univ Iowa, Coll Pharm, Iowa City, IA 52242 USA
[3] Borgess Med Ctr, Kalamazoo, MI 49001 USA
[4] Univ Iowa, Coll Med, Dept Pathol, Iowa City, IA 52242 USA
关键词
D O I
10.1016/S0732-8893(02)00361-9
中图分类号
R51 [传染病];
学科分类号
100401 ;
摘要
The activities of the echinocandins caspofungin and anidulafungin were evaluated alone and in combination With fluconazole using time-kill methods against isolates of Candida albicans, Candida glabrata, Candida tropicalis, Candida krusei, and Cryptococcus neoformans. Antifungal concentrations tested against each isolate were 0.5 mug/mL and 20 mug/mL of fluconazole and 0.007 mug/mL and 2 mug/mL of both caspofungin and anidulafungin. In addition, 20 mug/mL of fluconazole was tested with 2 mug/mL of caspofungin and anidulafungin to test for additive or antagonistic activity. Finally 0.5 mug/mL of fluconazole was tested with 0.007 mug/mL of caspofungin and anidulafungin to test for synergy. Combinations of fluconazole and caspofungin or anidulafungin resulted in indifference. Azoleechinocandin combinations do not produce antagonistic effects; therefore, combinations of these agents may warrant future clinical evaluation. (C) 2002 Elsevier Science Inc. All rights reserved.
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页码:13 / 17
页数:5
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