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Adjunctive methylene blue antimicrobial photodynamic therapy for mucocutaneous lesions of mycoses: three case reports

    Carlos FG Izoton

    Laboratório de Pesquisa Clínica em Dermatologia Infecciosa, Instituto Nacional de Infectologia Evandro Chagas, Fundação Oswaldo Cruz, Rio de Janeiro 21040-360, RJ, Brazil

    ,
    Priscila M de Macedo

    Laboratório de Pesquisa Clínica em Dermatologia Infecciosa, Instituto Nacional de Infectologia Evandro Chagas, Fundação Oswaldo Cruz, Rio de Janeiro 21040-360, RJ, Brazil

    ,
    Antonio CF do Valle

    Laboratório de Pesquisa Clínica em Dermatologia Infecciosa, Instituto Nacional de Infectologia Evandro Chagas, Fundação Oswaldo Cruz, Rio de Janeiro 21040-360, RJ, Brazil

    ,
    Rodrigo Almeida-Paes

    Laboratório de Micologia, Instituto Nacional de Infectologia Evandro Chagas, Fundação Oswaldo Cruz, Rio de Janeiro 21040-360, RJ, Brazil

    ,
    Maria HG Figueiredo-Carvalho

    Laboratório de Micologia, Instituto Nacional de Infectologia Evandro Chagas, Fundação Oswaldo Cruz, Rio de Janeiro 21040-360, RJ, Brazil

    ,
    Vanessa BS Rabello

    Laboratório de Micologia, Instituto Nacional de Infectologia Evandro Chagas, Fundação Oswaldo Cruz, Rio de Janeiro 21040-360, RJ, Brazil

    ,
    Ana CC Martins

    Laboratório de Pesquisa Clínica e Vigilância em Leishmanioses, Instituto Nacional de Infectologia Evandro Chagas, Fundação Oswaldo Cruz, Rio de Janeiro 21040-360, RJ, Brazil

    &
    Dayvison FS Freitas

    *Author for correspondence:

    E-mail Address: dayvison.freitas@ini.fiocruz.br

    Laboratório de Pesquisa Clínica em Dermatologia Infecciosa, Instituto Nacional de Infectologia Evandro Chagas, Fundação Oswaldo Cruz, Rio de Janeiro 21040-360, RJ, Brazil

    Published Online:https://doi.org/10.2217/fmb-2023-0074

    Dermatophytosis, paracoccidioidomycosis and sporotrichosis are mycoses caused by different fungal species with significant prevalence in Brazil and other countries. In some situations, they affect quality of life, especially in the most vulnerable populations. Antifungal drug therapy is the conventional treatment for these diseases, although some difficulties may occur. Adjunctive use of antimicrobial photodynamic therapy (aPDT) may reduce these challenges. Three patients were treated with aPDT and conventional antifungals. In all cases, the patients did not report pain, discomfort or side effects during or after the aPDT intervention. The adjunctive use of aPDT in the cases presented proved to be a safe, low-cost tool that may be promising for the treatment of different mycoses.

    Plain language summary

    Some fungal diseases are very common in Brazil and other countries and, in some cases, treatment may be difficult. The combination of a type of laser may help the treatment of these diseases. Here, three cases of fungal diseases that were treated with laser, dye and conventional antifungals are presented.

    Papers of special note have been highlighted as: • of interest; •• of considerable interest

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