Combined activity in vitro of caspofungin, amphotericin B, and azole agents against itraconazole-resistant clinical isolates of Aspergillus fumigatus

被引:53
作者
Cuenca-Estrella, M [1 ]
Gomez-Lopez, A [1 ]
Garcia-Effron, G [1 ]
Alcazar-Fuoli, L [1 ]
Mellado, E [1 ]
Buitrago, MJ [1 ]
Rodriguez-Tudela, JL [1 ]
机构
[1] Inst Salud Carlos III, Ctr Nacl Microbiol, Serv Micol, Majadahonda 28220, Spain
关键词
D O I
10.1128/AAC.49.3.1232-1235.2005
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
Interactions in vitro between amphotericin B, itraconazole, voriconazole, and caspofungin against itraconazole-resistant Aspergillus fumigatus clinical strains were determined. Differential results were obtained depending on the criteria (MIC or minimal effective concentration) used. Caspofungin and voriconazole exhibited the most potent interactions, with synergy against at least 50% of isolates, and the average fractional concentration index was 0.38. Antagonism was not found for any combination.
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页码:1232 / 1235
页数:4
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