Abstract
Since the approval of first transdermal patch (Transderm Scop®) containing scopolamine in 1979, the improvement in systemic drug delivery through skin remains incremental. The traditional methods based on passive diffusion of drug molecules in to the skin are unable to deliver macromolecules, such as peptides, proteins, DNA and vaccines, due to the barrier properties of stratum corneum (SC). During the course of approximately 35 years, the focuses are not only to overcome the above barrier property of the skin but also the safety, accuracy and patient compliance aspect of the traditional methods. The former limitation can be overcome by altering the SC barrier function by different active methods such electrically assisted methods (sonophoresis, iontophoresis, electroporation, magnetophoresis, pressure waves, electron beam irradiation), SC abruption (microneedles, high-velocity jet) and SC removal (tape-stripping, suction, microdermabrasion, ablation). This review summarizes basic principles, mechanisms, advantages, limitations and recent development of above physical techniques along with skin anatomy and drug transport pathways across skin.
Keywords: Bilipid layer, Cavitation, Microneedle, Permeation, Physical methods, Transdermal drug delivery, Stratum corneum.
Current Drug Delivery
Title:Physical Means of Stratum Corneum Barrier Manipulation to Enhance Transdermal Drug Delivery
Volume: 12 Issue: 2
Author(s): Rabinarayan Parhi, Podilam Suresh and Suhasini Patnaik
Affiliation:
Keywords: Bilipid layer, Cavitation, Microneedle, Permeation, Physical methods, Transdermal drug delivery, Stratum corneum.
Abstract: Since the approval of first transdermal patch (Transderm Scop®) containing scopolamine in 1979, the improvement in systemic drug delivery through skin remains incremental. The traditional methods based on passive diffusion of drug molecules in to the skin are unable to deliver macromolecules, such as peptides, proteins, DNA and vaccines, due to the barrier properties of stratum corneum (SC). During the course of approximately 35 years, the focuses are not only to overcome the above barrier property of the skin but also the safety, accuracy and patient compliance aspect of the traditional methods. The former limitation can be overcome by altering the SC barrier function by different active methods such electrically assisted methods (sonophoresis, iontophoresis, electroporation, magnetophoresis, pressure waves, electron beam irradiation), SC abruption (microneedles, high-velocity jet) and SC removal (tape-stripping, suction, microdermabrasion, ablation). This review summarizes basic principles, mechanisms, advantages, limitations and recent development of above physical techniques along with skin anatomy and drug transport pathways across skin.
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Cite this article as:
Parhi Rabinarayan, Suresh Podilam and Patnaik Suhasini, Physical Means of Stratum Corneum Barrier Manipulation to Enhance Transdermal Drug Delivery, Current Drug Delivery 2015; 12 (2) . https://dx.doi.org/10.2174/1567201811666140515145329
DOI https://dx.doi.org/10.2174/1567201811666140515145329 |
Print ISSN 1567-2018 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-5704 |
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