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Clin Exp Dermatol ; 38(1): 85-8, 2013 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-23252755

RESUMO

Cutaneous warts are caused by infection of the epidermis with human papillomavirus (HPV). Cryotherapy using liquid nitrogen is one of the most common local treatments. In this study, we used a novel ex vivo approach to compare the efficacy of a new product with conventional liquid-nitrogen cryotherapy by studying epidermal histology and assessing the presence of HPV types 1 and 2 DNA in plantar warts. The studied formulation, which acts by tissues mummification, is a combination of nitric acid, organic acids and metallic salts. We found that, similar to liquid nitrogen, the studied product induced alterations in the wart structure. In addition, unlike liquid nitrogen, this product also reduced the amount of HPV DNA. The results suggest that there is a poor correlation between the histological response and the antiviral efficacy of standard wart treatment.


Assuntos
Antivirais/uso terapêutico , Ácido Nítrico/uso terapêutico , Verrugas/tratamento farmacológico , Crioterapia/métodos , DNA Viral/análise , Combinação de Medicamentos , Humanos , Nitrogênio/uso terapêutico , Papillomaviridae/genética , Papillomaviridae/isolamento & purificação , Sais/uso terapêutico , Verrugas/virologia
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