{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,21]],"date-time":"2026-01-21T05:15:32Z","timestamp":1768972532350,"version":"3.49.0"},"reference-count":31,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2023,10,15]],"date-time":"2023-10-15T00:00:00Z","timestamp":1697328000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"funder":[{"DOI":"10.13039\/100008055","name":"Fundaci\u00f3n Eugenio Rodr\u00edguez Pascual","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100008055","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Mycoses"],"published-print":{"date-parts":[[2024,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Methylene blue (MB) and flavin mononucleotide (FMN)\u2010mediated photodynamic therapy (PDT) have demonstrated local antimicrobial effect, but no direct comparative study has been published so far for the treatment of toenail onychomycosis.<\/jats:p><\/jats:sec><jats:sec><jats:title>Objectives<\/jats:title><jats:p>To directly compare the short and medium\u2010term efficacy of MB versus FMN as photosensitizers in PDT for toenail onychomycosis by applying them in a 40% w\/w urea cream in two different dye concentrations.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Forty toenails with distal and lateral subungual moderate onychomycosis due to dermatophyte fungi were randomised to receive 10 weekly sessions of PDT mediated by four topical formulations including MB or FMN at two different concentrations: Group I: 0.1% w\/w MB; Group II: 2% w\/w MB; Group III: 0.1% w\/w FMN; and Group IV: 2% w\/w FMN. Photographs were used for onychomycosis severity index (OSI) estimation allowing clinical assessment at any point of the study. Microscopic and microbiological evaluations were carried out at baseline, 27\u2010 and 35\u2010week follow\u2010ups. Side effects were recorded along with patient satisfaction.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>At week 27, mycological cure rates were 60%, 30%, 50% and 40% and complete cure rates were 0%, 20%, 10% and 20%, for Groups I, II, III and IV respectively. At week 35, mycological cure rates were 70%, 70%, 70% and 60% and complete cure rates were 30%, 50%, 70% and 30%, for Groups I, II, III and IV respectively. All cream formulations were safe and patients were fairly satisfied.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Results of the present work confirm PDT as a therapeutic alternative for onychomycosis. Although all cream formulations were safe and effective, with a good degree of satisfaction, higher cure rates were obtained with 2% w\/w MB cream and 0.1% w\/w FMN cream.<\/jats:p><\/jats:sec>","DOI":"10.1111\/myc.13661","type":"journal-article","created":{"date-parts":[[2023,10,16]],"date-time":"2023-10-16T03:20:14Z","timestamp":1697426414000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Medium\u2010term antifungal effects of methylene blue versus flavin mononucleotide in the treatment of moderate toenail onychomycosis"],"prefix":"10.1111","volume":"67","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5265-2233","authenticated-orcid":false,"given":"Clara","family":"G\u00f3mez","sequence":"first","affiliation":[{"name":"Institute of Physical Chemistry Blas Cabrera, CSIC  Madrid 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