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Extensive long-standing chromomycosis due to Fonsecaea pedrosoi: Three cases with relevant improvement under voriconazole therapy.
MedLine Citation:
PMID:  20666671     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Abstract Objective: To evaluate voriconazole in the treatment of extensive cases of chromomycosis. Chromomycosis is a chronic infection, which is extremely difficult to eradicate, and is caused by dematiaceous (dark-colored) fungi which affect the skin and subcutaneous tissues, with Fonsecaea pedrosoi being the major etiologic agent. Drugs such as itraconazole, terbinafine, posaconazole and amphotericin B have been employed with variable results. Methods: We treated three Caucasian male patients (ages 44, 57 and 77 years), two were farmers and one a trash collector, with long-standing (20, 10 and 21 years of disease, respectively) and extensive chromomycosis (one lower limb affected, at least) due to Fonsecaea pedrosoi. All patients had received previous therapy with the formerly indicated drugs itraconazole and terbinafine for several months either without or with incomplete response. After that, we started treatment with voriconazole per os 200 mg twice a day. Results: The patients were treated with voriconazole for 12 months until there was clinical and mycological improvement. Clinical response was evident after 30-50 days. One patient developed visual abnormalities and tremors, and the voriconazole was reduced to 200 mg/day without impairment of the clinical and mycological response. The same patient presented photosensitive dermatitis after 12 months of therapy and the voriconazole was stopped. All patients showed elevations of serum gamma-glutamyl transpeptidase (GGT) during the treatment without clinical relevance. Moreover, our three patients obtained partial response with this therapy. Conclusions: This is the first report with a case series of chromomycosis treated with voriconazole. Despite its high cost, voriconazole is a safe and possibly promising drug for use on extensive chromomycosis refractory to conventional treatment.
Authors:
Paulo Ricardo Criado; Mariana Figueiroa Careta; Neusa Y S Valente; José Eduardo Costa Martins; Evandro A Rivitti; Ricardo Spina; Walter Belda Jr
Publication Detail:
Type:  Journal Article     Date:  2010-07-28
Journal Detail:
Title:  The Journal of dermatological treatment     Volume:  22     ISSN:  1471-1753     ISO Abbreviation:  J Dermatolog Treat     Publication Date:  2011 Jun 
Date Detail:
Created Date:  2011-05-20     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8918133     Medline TA:  J Dermatolog Treat     Country:  England    
Other Details:
Languages:  eng     Pagination:  167-74     Citation Subset:  IM    
Affiliation:
Dermatology Department , School of Medicine, University of Sao Paulo, Sao Paulo , Brazil.
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