Indian Journal of Dermatology
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Year : 2022  |  Volume : 67  |  Issue : 4  |  Page : 479

Effectiveness and safety of ozone therapy for dermatological disorders: A literature review of clinical trials

1 From the Faculdade de Farmácia, Departamento de Produção de Matéria-Prima; Programa de Pós-Graduação, em Ciências Farmacêuticas, Universidade Federal do Rio Grande do Sul, Porto Alegre- RS, Brazil
2 From the Faculdade de Farmácia, Departamento de Produção de Matéria-Prima, Universidade Federal do Rio Grande do Sul, Porto Alegre- RS, Brazil

Correspondence Address:
Renata Vidor Contri
Faculdade de Farmácia, Universidade Federal do Rio Grande do Sul, Porto Alegre
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ijd.ijd_152_22

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Ozone is a strong oxidizing agent, capable of promoting therapeutic effects such as antimicrobial, anti inflammatory, antioxidant and healing activities, with low probability of toxicity when used in a specific dosage range. The aim of this study was to conduct a literature review to assess clinical trials available over the past 10 years regarding the effectiveness and safety of ozone therapy to treat dermatological disorders. The search for bibliographic material was carried out through PubMed, Cochrane Library and Google Scholar electronic databases. The inclusion criteria covered only controlled clinical trials published from 2011 to 2021 and written in English. The 18 selected clinical trials included 1279 patients (ranging from 12 to 400 patients per study), of which 1185 patients were adults and 94 were children. Ozone therapy was evaluated regarding the treatment of diabetic foot ulcers, digital ulcers, chronic venous leg ulcers, atopic dermatitis, skin burns, onychomycosis, tinea pedis, cutaneous leishmaniasis, balanitis xerotica obliterans and multiple common warts. Only three studies, addressing the treatment of cutaneous leishmaniasis, skin ulcers and skin burns, evidenced lack of effectiveness of ozone treatment. Mild adverse effects occurred in three clinical trials, whereas severe side effects occurred in only one clinical trial, regarding skin ulcers. Therefore, ozone therapy may be suggested as an alternative or complementary treatment in some types of dermatological conditions specially affecting refractory patients. Though, a greater number of high-quality clinical trials is needed to clearly establish the safety of ozone therapy in dermatological disorders.

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