Abstract
Transdermal delivery offers an attractive, noninvasive administration route but it is limited by the skin’s barrier to penetration. Minimally invasive techniques, such as the use of microneedles (MNs), bypass the stratum corneum (SC) barrier to permit the drug’s direct access to the viable epidermis. These novel micro devices have been developed to puncture the skin for the transdermal delivery of hydrophilic drugs and macromolecules, including peptides, DNA and other molecules, that would otherwise have difficulty passing the outermost layer of the skin, the SC. Using the tools of the microelectronics industry, MNs have been fabricated with a range of sizes, shapes and materials. MNs have been shown to be robust enough to penetrate the skin and dramatically increase the skin permeability of several drugs. Moreover, MNs have reduced needle insertion pain and tissue trauma and provided controlled delivery across the skin. This review focuses on the current state of the art in the transdermal delivery of drugs using various types of MNs and developments in the field of microscale devices, as well as examples of their uses and clinical safety.
Keywords: Drug delivery, microneedles, safety, skin penetration enhancement, stratum corneum, transdermal delivery.
Current Drug Targets
Title:Microneedle-Based Drug Delivery Systems for Transdermal Route
Volume: 15 Issue: 3
Author(s): Maria Bernadete Riemma Pierre and Fabia Cristina Rossetti
Affiliation:
Keywords: Drug delivery, microneedles, safety, skin penetration enhancement, stratum corneum, transdermal delivery.
Abstract: Transdermal delivery offers an attractive, noninvasive administration route but it is limited by the skin’s barrier to penetration. Minimally invasive techniques, such as the use of microneedles (MNs), bypass the stratum corneum (SC) barrier to permit the drug’s direct access to the viable epidermis. These novel micro devices have been developed to puncture the skin for the transdermal delivery of hydrophilic drugs and macromolecules, including peptides, DNA and other molecules, that would otherwise have difficulty passing the outermost layer of the skin, the SC. Using the tools of the microelectronics industry, MNs have been fabricated with a range of sizes, shapes and materials. MNs have been shown to be robust enough to penetrate the skin and dramatically increase the skin permeability of several drugs. Moreover, MNs have reduced needle insertion pain and tissue trauma and provided controlled delivery across the skin. This review focuses on the current state of the art in the transdermal delivery of drugs using various types of MNs and developments in the field of microscale devices, as well as examples of their uses and clinical safety.
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Cite this article as:
Riemma Pierre Bernadete Maria and Rossetti Cristina Fabia, Microneedle-Based Drug Delivery Systems for Transdermal Route, Current Drug Targets 2014; 15 (3) . https://dx.doi.org/10.2174/13894501113146660232
DOI https://dx.doi.org/10.2174/13894501113146660232 |
Print ISSN 1389-4501 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-5592 |
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