Dermatological Disorders

Piraccini, Bianca Maria; Holzberg, Mark; Pasch, Marcel C.; Rigopoulos, Dimitrios

doi:10.1002/9781119323396.ch14

Cited by 1 publication

(1 citation statement)

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“…Onychomycosis is caused by nail fungal infestation resulting in thickening, roughness, yellow-brown discoloration, distortion, splitting, and finally detachment of the nail [6]. Onychomycosis could be classified into four categories: distal subungual onychomycosis (DSO), proximal subungual onychomycosis, superficial white onychomycosis, endonyx onychomycosis, and total dystrophic onychomycosis [7].…”

Section: Introductionmentioning

confidence: 99%

Contemporary Techniques and Potential Transungual Drug Delivery Nanosystems for The Treatment of Onychomycosis

Abd-Elsalam

Abouelatta

2023

AAPS PharmSciTech

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The humanoid nail is considered an exceptional protective barrier that is formed mainly from keratin. Onychomycosis is the cause of 50% of nail infections that is generally caused by dermatophytes. Firstly, the infection was regarded as a cosmetic problem but because of the tenacious nature of onychomycosis and its relapses, these infections have attracted medical attention. The first line of therapy was the oral antifungal agents which were proven to be effective; nevertheless, they exhibited hepato-toxic side effects, alongside drug interactions. Following, the opportunity was shifted to the topical remedies, as onychomycosis is rather superficial, yet this route is hindered by the keratinized layers in the nail plate. A potential alternative to overcome the obstacle was applying different mechanical, physical, and chemical methods to boost the penetration of drugs through the nail plate. Unfortunately, these methods might be expensive, require an expert to be completed, or even be followed by pain or more serious side effects. Furthermore, topical formulations such as nail lacquers and patches do not provide enough sustaining effects. Recently, newer therapies such as nanovesicles, nanoparticles, and nanoemulsions have emerged for the treatment of onychomycosis that provided effective treatment with possibly no side effects. This review states the treatment strategies such as mechanical, physical, and chemical methods, and highlights various innovative dosage forms and nanosystems developed in the last 10 years with a focus on advanced findings regarding formulation systems. Furthermore, it demonstrates the natural bioactives and their formulation as nanosystems, and the most relevant clinical outcomes. Graphical Abstract

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Section: Introductionmentioning

confidence: 99%