alexa Approaches for breaking the barriers of drug permeation through transdermal drug delivery.


Drug Designing: Open Access

Author(s): Alexander A, Dwivedi S, Ajazuddin, Giri TK, Saraf S,

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Abstract Transdermal drug delivery system (TDDS) utilizes the skin as executable route for drug administration but the foremost barrier against drug permeability is the stratum corneum and therefore, it limits therapeutic bioavailability of the bioactive. This review focuses on the recent advancements in the TDDS which include iontophoresis, sonophoresis, electroporation, microneedles, magnetophoresis, photomechanical waves and electron beam irradiation. These advancements are exhaustively discussed with techniques involved with their beneficial claims for different categories of bioactive. However, a lot of research has been carried out in TDDS, still the system has many pros and cons such as inconsistent drug release, prevention of burst release formulation and problems related to toxicity. In addition to that, to exploit the TDDS more efficiently scientists have worked on some combinational approaches for manufacturing TDDS viz., chemical-iontophoresis, chemical-electroporation, chemical-ultrasound, iontophoresis-ultrasound, electroporation-iontophoresis electroporation-ultrasound and pressure waves-chemicals and reported the synergistic effect of the same for safe, effective and practical use of TDDS. The present article covers all the above-mentioned aspects in detail and hence the article will assuredly serve as an enlightening tool for the visionaries working in the concerned area. Copyright © 2012 Elsevier B.V. All rights reserved. This article was published in J Control Release and referenced in Drug Designing: Open Access

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