JAC Advance Access originally published online on January 24, 2008
Journal of Antimicrobial Chemotherapy 2008 61(4):835-837; doi:10.1093/jac/dkn011
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Original research |
In vitro activity of amphotericin B, itraconazole, voriconazole, posaconazole, caspofungin and terbinafine against Scytalidium dimidiatum and Scytalidium hyalinum clinical isolates
Laboratoire de Mycologie-Parasitologie, Hôpital Saint-Louis, Assistance Publique-Hôpitaux de Paris, Paris, France
Received 19 July 2007; returned 20 October 2007; revised 13 December 2007; accepted 4 January 2008
* Corresponding author. Tel: +33-1-42-49-95-21; Fax: +33-1-42-49-48-03; E-mail: claire.lacroix{at}sls.aphp.fr
Objectives: The objective of this work was to evaluate the in vitro activity of amphotericin B, itraconazole, voriconazole, posaconazole, caspofungin and terbinafine against clinical isolates of Scytalidium dimidiatum and Scytalidium hyalinum.
Methods: Microdilution testing was performed in accordance with the CLSI M38-A method on 17 S. dimidiatum and 15 S. hyalinum clinical isolates.
Results: The MIC ranges of voriconazole, posaconazole, itraconazole, terbinafine, caspofungin and amphotericin B were <0.03 to 0.5 mg/L, 0.06–2 mg/L, <0.03 to >16 mg/L, 0.06–2 mg/L, 0.06–8 mg/L and 0.06–1 mg/L, respectively.
Conclusions: Amphotericin B and voriconazole exhibit the lowest MICs for Scytalidium spp. Voriconazole could be a promising agent for the treatment of these refractory infections.
Keywords: scytalidiosis , dermatomycosis , onychomycosis , antifungal agents , triazoles
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