Abstract
Stratum corneum (SC), the outermost layer of the skin, constitutes an excellent protective physiological barrier, and is the main challenge in transdermal drug delivery. Many approaches have been used to enhance the penetration of drugs through this layer, covering passive and active methods or the combination of both. This opens the opportunity to broaden the spectrum of drugs that can be administered through the skin, providing alternatives to existing products, and filling gaps that conventional routes failed to occupy. In this review, an overview of the different permeation enhancing methodologies is carried out, focusing on the combination of lipid nanoparticles with conventional chemical enhancers, as a proof-of-concept of a successful development strategy.
Keywords: Active methods, chemical penetration enhancers, lipid nanoparticles, microneedles, passive methods, permeation enhancement, transdermal delivery.
Current Pharmaceutical Design
Title:Overcoming the Skin Permeation Barrier: Challenges and Opportunities
Volume: 21 Issue: 20
Author(s): Carla Vitorino, Joao Sousa and Alberto Pais
Affiliation:
Keywords: Active methods, chemical penetration enhancers, lipid nanoparticles, microneedles, passive methods, permeation enhancement, transdermal delivery.
Abstract: Stratum corneum (SC), the outermost layer of the skin, constitutes an excellent protective physiological barrier, and is the main challenge in transdermal drug delivery. Many approaches have been used to enhance the penetration of drugs through this layer, covering passive and active methods or the combination of both. This opens the opportunity to broaden the spectrum of drugs that can be administered through the skin, providing alternatives to existing products, and filling gaps that conventional routes failed to occupy. In this review, an overview of the different permeation enhancing methodologies is carried out, focusing on the combination of lipid nanoparticles with conventional chemical enhancers, as a proof-of-concept of a successful development strategy.
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Cite this article as:
Vitorino Carla, Sousa Joao and Pais Alberto, Overcoming the Skin Permeation Barrier: Challenges and Opportunities, Current Pharmaceutical Design 2015; 21 (20) . https://dx.doi.org/10.2174/1381612821666150428124053
DOI https://dx.doi.org/10.2174/1381612821666150428124053 |
Print ISSN 1381-6128 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-4286 |
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