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Expert Opin Drug Deliv. 2007 Jan;4(1):19-25.

Microneedles and transdermal applications.

Author information

  • 1School of Medicine, University of California, Davis, One Shields Avenue, Davis, CA 95616, USA.

Abstract

With the limitations of oral drug delivery and the pain and needle phobias associated with traditional injections, drug delivery research has focused on the transdermal delivery route. A formidable barrier to transdermal drug delivery is the stratum corneum, the superficial layer of the skin. In the last 10 years, microneedles were proposed as a mechanical tool to pierce through the stratum corneum, in order to create drug delivery channels without stimulating underlying pain nerves. Since then, the field of microneedles has rapidly evolved to spawn a plethora of potential transdermal applications. In this review, the authors provide an overview of the progress in microneedle research and design, and the advancements that have been made in employing this technology for transdermal applications.

PMID:
17184159
DOI:
10.1517/17425247.4.1.19
[PubMed - indexed for MEDLINE]
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