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Gupta AK, Polla Ravi S, Haas-Neill S, Wang T, Cooper EA. Utility of devices for onychomycosis: a review. J DERMATOL TREAT 2023; 34:2265658. [PMID: 37807661 DOI: 10.1080/09546634.2023.2265658] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Accepted: 09/27/2023] [Indexed: 10/10/2023]
Abstract
Onychomycosis is difficult to treat due to long treatment durations, poor efficacy rates of treatments, high relapse rates, and safety issues when using systemic antifungal agents. Device-based treatments are targeted to specific regions of the nail, have favorable safely profiles, and do not interfere with systemic agents. They may be an effective alternative therapy for onychomycosis especially with increasing reports of squalene epoxidase gene mutations and potential resistance to terbinafine therapy. In this review, we discuss four devices used as antifungal treatments and three devices used as penetration enhancers for topical agents. Lasers, photodynamic therapy, microwaves, and non-thermal plasma have the capacity to inactivate fungal pathogens demonstrated through in vivo studies. Efficacy rates for these devices, however, remain relatively low pointing toward the need to further optimize device or usage parameters. Ultrasound, nail drilling, and iontophoresis aid in improving the permeability of topical agents through the nail and have been investigated as adjunctive therapies. Due to the paucity in clinical data, their efficacy in treating onychomycosis has not yet been established. While the results of clinical studies point toward the potential utility of devices for onychomycosis, further large-scale randomized clinical trials following regulatory guidelines are required to confirm current results.
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Affiliation(s)
- Aditya K Gupta
- Department of Medicine, Division of Dermatology, University of Toronto School of Medicine, Toronto, Canada
- Mediprobe Research Inc., London, Canada
| | | | | | - Tong Wang
- Mediprobe Research Inc., London, Canada
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Efficacy of laser therapy combined with topical antifungal agents for onychomycosis: a systematic review and meta-analysis of randomised controlled trials. Lasers Med Sci 2022; 37:2557-2569. [PMID: 35484440 DOI: 10.1007/s10103-022-03561-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Accepted: 04/04/2022] [Indexed: 10/18/2022]
Abstract
INTRODUCTION Onychomycosis is a common fungal infection of the nail. Laser and topical antifungal agent combination therapy is an emerging treatment for onychomycosis. The objective of this study was to systematically evaluate the efficacy and safety of laser and topical antifungal agent combination therapy for onychomycosis. METHODS The PubMed, Embase, Cochrane Library, China National Knowledge Infrastructure, Wanfang and VIP databases were searched from inception to November 2021. Randomised controlled trials (RCTs) on laser therapy combined with topical antifungal agents for onychomycosis were included. The Cochrane Collaboration tool was used to assess the risk of bias, and Revman 5.3 software was used in the meta-analysis. RESULTS Twelve studies involving 869 patients were included in this meta-analysis. The results showed that compared with topical antifungal agents alone, laser and topical antifungal agent combination therapy was superior in terms of the complete cure rate (RR 6.04,95% CI (2.17, 16.85), P = 0.0006), mycological cure rate (RR 1.27, 95% CI (1.10, 1.48), P = 0.001), clinical effective rate (RR 1.38, 95% CI (1.20, 1.57), P < 0.00001) and patient satisfaction rate (RR 1.47,95% CI (1.17, 1.84), P = 0.0009).The subgroup analysis of outcome indicators, including mycological cure rate and clinical effective rate, demonstrated that both carbon dioxide (CO2) laser therapy combined with topical antifungal therapy and 1064-nm neodymium-doped:yttrium aluminium garnet (Nd:YAG) laser therapy combined with topical antifungal therapy showed better results than topical antifungal therapy alone. No adverse events were identified except for three studies reporting transient burning sensation without treatment and mild to moderate pain, both of which were well tolerated. CONCLUSION The present study indicated that laser and topical antifungal agent combination therapy is effective for onychomycosis. However, more large-scale and well-designed RCTs are warranted.
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Prasong W, Matthapan L, Bunyaratavej S, Leeyaphan C, Lertrujiwanit K, Supcharoenkul S. Efficacy of a Newly Developed Inward Airflow Safety Cabinet to Prevent the Spread of Infected Nail Dust Particles During Mechanical Nail Reduction in Onychomycosis. J Am Podiatr Med Assoc 2022; 112:20-200. [PMID: 36115042 DOI: 10.7547/20-200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
BACKGROUND Nail thickening is a poor prognostic factor in onychomycosis. Mechanical reduction by micromotor nail grinding is an alternative treatment for onychomycosis. However, this treatment introduces a large amount of infected nail dust particles into the air and can adversely affect other patients and health-care providers. The innovative recirculating airflow safety cabinet (ASC) was developed to prevent the spread of these generated infected nail dust particles. The aim of this study was to determine the efficacy of the ASC in patients with onychomycosis or traumatic onychodystrophy. METHODS The ASC was used during the nail-grinding process in 50 patients, including 36 onychomycosis patients and 14 traumatic onychodystrophy patients. For each patient, five Sabouraud dextrose agar plates with chloramphenicol were positioned within the working space of the ASC, and the other five plates were positioned near the area of air exit after the carbon filters within the cabinet. A total of 500 plates were incubated at 25°C and evaluated every 7 days. The results of fungal cultures were analyzed. RESULTS In the traumatic onychodystrophy group, all fungal cultures of nail dust particles from both before and after filtration from the ASC were negative in all 14 patients. In the onychomycosis group, 52 fungal cultures (28.9%) from nail particles within the ASC working area tested positive; however, the results of fungal cultures of nail dust particles after filtration were all negative. CONCLUSIONS The newly developed ASC was found to be effective for preventing the spread of infected nail dust particles generated by micromotor nail grinding to mechanically reduce nail thickness in patients with onychomycosis.
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Affiliation(s)
- Waranyoo Prasong
- *Department of Dermatology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkoknoi, Bangkok, Thailand
| | - Lalita Matthapan
- *Department of Dermatology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkoknoi, Bangkok, Thailand
| | - Sumanas Bunyaratavej
- *Department of Dermatology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkoknoi, Bangkok, Thailand
| | - Charussri Leeyaphan
- *Department of Dermatology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkoknoi, Bangkok, Thailand
| | - Kamonpan Lertrujiwanit
- *Department of Dermatology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkoknoi, Bangkok, Thailand
| | - Salisa Supcharoenkul
- *Department of Dermatology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkoknoi, Bangkok, Thailand
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Combination Therapy Should Be Reserved as Second-Line Treatment of Onychomycosis: A Systematic Review of Onychomycosis Clinical Trials. J Fungi (Basel) 2022; 8:jof8030279. [PMID: 35330281 PMCID: PMC8949799 DOI: 10.3390/jof8030279] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 03/04/2022] [Accepted: 03/06/2022] [Indexed: 12/15/2022] Open
Abstract
Onychomycosis is the most common nail disease encountered in clinical practice. Its importance extends well beyond aesthetics, often causing pain, difficulty with ambulation and performing daily activities, and impairing quality of life. Many patients fail to achieve cure with antifungal monotherapy and recurrences are common. Combination therapy has therefore gained considerable interest, given the potential for drug synergy and prevention of antifungal resistance, but it has not been well studied. A systematic review of onychomycosis medication only, as well as medication and procedural (laser, debridement, photodynamic therapy), clinical or randomized controlled trials evaluating combination vs. monotherapies was performed. After exclusions, 30 studies were included in the final analysis. There were conflicting results for medication-only trials, with some showing significant benefit of combination therapy over monotherapy, however, trials were not robustly designed and lacked sufficient follow-up. Procedural studies also lacked long-term follow-up, and failed to demonstrate efficacy in some severe onychomycosis cases. Considering the high cure rates demonstrated in pivotal antifungal monotherapy trials, and conflicting results, costs, and safety concerns associated with combination therapy, we recommend that combination therapy be reserved as second-line treatment options in patients with poor prognostic factors or for those who failed monotherapy for onychomycosis.
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Leeyaphan C, Suiwongsa B, Komesmuneeborirak P, Kiratiwongwan R, Wongdama S, Prasong W, Supcharoenkul S, Bunyaratavej S. Effectiveness and safety of topical amphotericin B in 30% dimethyl sulfoxide cream versus 30% dimethyl sulfoxide cream for nondermatophyte onychomycosis treatment: A pilot study. Indian J Dermatol Venereol Leprol 2021; 88:494-499. [PMID: 34877858 DOI: 10.25259/ijdvl_359_2021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Accepted: 07/01/2021] [Indexed: 11/04/2022]
Abstract
BACKGROUND Although topical amphotericin B cream is effective for the treatment of nondermatophyte mold onychomycosis in vitro, studies of its effectiveness and safety in vivo are limited. OBJECTIVES We studied the effectiveness and safety of topical 0.3% amphotericin B in 30% dimethyl sulfoxide cream (amphotericin B cream) in nondermatophyte mold onychomycosis using the vehicle cream 30% dimethyl sulfoxide cream as control. METHODS This randomized controlled study was conducted between January 2019 and November 2020. Patients diagnosed with nondermatophyte mold onychomycosis were randomly divided into two groups of ten patients each: one treated with amphotericin B cream and the other with the vehicle cream. Clinical and mycological cure as well as safety were evaluated. RESULTS Ten patients each treated with amphotericin B cream and the vehicle cream were included in the study, but only nine patients in the vehicle cream group were available for follow up. All the 19 evaluable patients had distal lateral subungual onychomycosis and the great toenails were affected in 18 (94.7%) of these. Mycological cure was achieved in 8 (80%) patients treated with amphotericin B cream and in 4 (44.4%) patients using the control (vehicle) cream. Clinical cure was achieved in 7 (70%) patients treated with amphotericin B cream, but only in 2 (22.2%) patients on the control cream. No adverse events were observed. LIMITATIONS The small sample size and the fact that PCR fungal identification that provides accurate identification of fungal species was not performed are limitations of our study. CONCLUSION Topical amphotericin B cream was both very effective and safe in the treatment nondermatophyte mold onychomycosis. The control (vehicle) cream containing 30% dimethyl sulfoxide also demonstrated some antifungal activity.
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Affiliation(s)
- Charussri Leeyaphan
- Department of Dermatology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Bordeesuda Suiwongsa
- Department of Pharmacy General Pharmaceutical Production Division, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Phojana Komesmuneeborirak
- Department of Pharmacy General Pharmaceutical Production Division, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Rungsima Kiratiwongwan
- Department of Dermatology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Supisara Wongdama
- Department of Dermatology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Waranyoo Prasong
- Department of Dermatology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Salisa Supcharoenkul
- Department of Dermatology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Sumanas Bunyaratavej
- Department of Dermatology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
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Fernández J, del Valle Fernández I, Villar CJ, Lombó F. Combined laser and ozone therapy for onychomycosis in an in vitro and ex vivo model. PLoS One 2021; 16:e0253979. [PMID: 34191858 PMCID: PMC8244860 DOI: 10.1371/journal.pone.0253979] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Accepted: 06/17/2021] [Indexed: 02/07/2023] Open
Abstract
In order to develop a fast combined method for onychomycosis treatment using an in vitro and an ex vivo models, a combination of two dual-diode lasers at 405 nm and 639 nm wavelengths, in a continuous manner, together with different ozone concentrations (until 80 ppm), was used for performing the experiments on fungal strains growing on PDA agar medium or on pig’s hooves samples. In the in vitro model experiments, with 30 min combined treatment, all species are inhibited at 40 ppm ozone concentration, except S. brevicaulis, which didn’t show an inhibition in comparison with only ozone treatment. In the ex vivo model experiments, with the same duration and ozone concentration, A. chrysogenum and E. floccosum showed total inhibition; T. mentagrophytes and T. rubrum showed a 75% growth inhibition; M. canis showed a delay in sporulation; and S. brevicaulis and A. terreus did not show growth inhibition. This combined laser and ozone treatment may be developed as a fast therapy for human onychomycosis, as a potential alternative to the use of antifungal drugs with potential side effects and long duration treatments.
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Affiliation(s)
- Javier Fernández
- Departamento de Biología Funcional, Research Unit “Biotechnology in Nutraceuticals and Bioactive Compounds-BIONUC”, Área de Microbiología, Universidad de Oviedo, Oviedo, Spain
- Instituto Universitario de Oncología del Principado de Asturias, Oviedo, Spain
- Instituto de Investigación Sanitaria del Principado de Asturias, Oviedo, Spain
| | | | - Claudio J. Villar
- Departamento de Biología Funcional, Research Unit “Biotechnology in Nutraceuticals and Bioactive Compounds-BIONUC”, Área de Microbiología, Universidad de Oviedo, Oviedo, Spain
- Instituto Universitario de Oncología del Principado de Asturias, Oviedo, Spain
- Instituto de Investigación Sanitaria del Principado de Asturias, Oviedo, Spain
| | - Felipe Lombó
- Departamento de Biología Funcional, Research Unit “Biotechnology in Nutraceuticals and Bioactive Compounds-BIONUC”, Área de Microbiología, Universidad de Oviedo, Oviedo, Spain
- Instituto Universitario de Oncología del Principado de Asturias, Oviedo, Spain
- Instituto de Investigación Sanitaria del Principado de Asturias, Oviedo, Spain
- * E-mail:
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Helou J, Maatouk I, Soutou B. Big toenail onychomycosis features associated with response to 1064 nm Nd: YAG laser treatment. J Cosmet Dermatol 2021; 21:1031-1035. [PMID: 34002924 DOI: 10.1111/jocd.14233] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2021] [Accepted: 05/12/2021] [Indexed: 11/27/2022]
Abstract
BACKGROUND A few studies discussed the factors correlated to response in laser treatment of onychomycosis. OBJECTIVE This study aimed to seek big toenail onychomycosis features that correlate with response to 1064 nm Nd: YAG laser treatment. METHODS This single-center, retrospective study included patients who had only one big toenail onychomycosis, with a confirmed mycological diagnosis and/or a high clinical suspicion. Patients had three sessions 1 month apart. The following characteristics were collected from the patients' files: age, sex, smoking and arterial hypertension statuses, results of baseline mycological culture, Onychomycosis Severity Index (OSI) score at baseline and at the end of the 6-month follow-up, as well as the reported side effects. RESULTS We included 105 patients, 86 women and 19 men, with a mean age of 43 years. Demographics have shown that 73.6% of patients were smokers, 17.9% had arterial hypertension, 61.9% had a culture positive for Trichophyton species, and 9.4% had a culture positive for Candida species. According to the OSI score, onychomycosis was mild in 18.9%, moderate in 39.6%, and severe in 41.5% of patients. At 6 months, clinical cure was achieved in 57.1% of patients. CONCLUSION The OSI decrease after 3 sessions of Nd: YAG laser was significantly more important in women and in patients with positive mycology culture, smaller affected area of the nail, no subungual hyperkeratosis, and no nail matrix involvement. Age, smoking, hypertension, and side effects were not shown to significantly correlate with the decrease of the OSI score.
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Affiliation(s)
- Josiane Helou
- Dermatology Department at Hôtel-Dieu de France Hospital, School of Medicine, Université Saint-Joseph, Beirut, Lebanon
| | | | - Boutros Soutou
- Dermatology Department at Hôtel-Dieu de France Hospital, School of Medicine, Université Saint-Joseph, Beirut, Lebanon
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