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Med Mycol ; 61(11)2023 Nov 06.
Artigo em Inglês | MEDLINE | ID: mdl-37947253

RESUMO

Vulvovaginal candidiasis (VVC) is a fungal infection caused mainly by Candida albicans. The treatment of VVC with azoles has been impaired due to the increased cases of resistance presented by this pathogen. The aim of the present study was to investigate the antifungal activity of mucoadhesive chitosan nanoparticles encapsulating both green propolis and fluconazole for topical use in the treatment of VVC. The nanoparticles were prepared by the ionic gelation method, resulting in a size of 316.5 nm containing 22 mg/kg of green propolis and 2.4 mg/kg of fluconazole. The nanoparticles were non-toxic in vitro using red blood cells or in vivo in a Galleria mellonella toxicity model. The treatment of female BALB/c mice infected by C. albicans ATCC 10231 with topical nanoparticles co-encapsulating fluconazole and green propolis was effective even using a fluconazole amount 20 times lower than the amount of miconazole nitrate 2% cream. Considering that the mucoadhesive property of chitosan, which is known to allow a prolonged retention time of the compounds at the mucous epithelia, the antifungal potential of the phenols and flavonoids present in green propolis may have favored the effectiveness of this treatment. These results indicate that this formulation of topical use for fluconazole associated with green propolis can be used as a promising approach to therapy for the treatment of VVC, thus contributing to reducing the development of resistance to azoles.


Vulvovaginal candidiasis is a fungal infection for which we search for alternatives for its treatment. Thus, a nanoparticle formulation based on fluconazole and green propolis was developed. These nanoparticles were tested, and we obtained adequate results in laboratory tests.


Assuntos
Candidíase Vulvovaginal , Quitosana , Nanopartículas , Própole , Feminino , Animais , Camundongos , Fluconazol/uso terapêutico , Candidíase Vulvovaginal/tratamento farmacológico , Candidíase Vulvovaginal/microbiologia , Candidíase Vulvovaginal/veterinária , Antifúngicos/farmacologia , Antifúngicos/uso terapêutico , Própole/uso terapêutico , Modelos Animais de Doenças , Candida albicans , Testes de Sensibilidade Microbiana/veterinária
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