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Review Article

Microemulsions as transdermal drug delivery systems for nonsteroidal anti-inflammatory drugs (NSAIDs): a literature review

ORCID Icon & ORCID Icon
Pages 1849-1855 | Received 28 Jul 2019, Accepted 30 Sep 2019, Published online: 22 Oct 2019
 

Abstract

Pain is a global crisis and significant efforts have gone into the development of drugs that can be used to treat pain. Nonsteroidal anti-inflammatory drugs (NSAIDs) are a class of analgesics that act to selectively relieve pain and inflammation without significantly altering consciousness. Although there have been many advancements with NSAIDs drug development; these drugs still present with severe adverse effects and toxicities, which often limits their use in many patients. Moreover, others are inadequate in relieving specific types of pain such as localized or nerve pain because of poor systemic absorption with conventional delivery systems. The topical route of drug delivery has been used to avoid many of these effects, but not without challenges of its own. The skin acts as an impermeable barrier to most polar drug candidate and absorption across the dermal membranes is often too slow and incomplete to produce meaningful therapeutic benefit. Nevertheless, the use of microemulsions as topical delivery systems for small molecule drug candidates like NSAIDs has been posited as a solution to this problem for years. This review focuses on the recent use of microemulsions as a probable solution to the challenges of transdermal drug delivery of NSAIDs and how microemulsions may be used to enhance the development of more effective but safer analgesic drug products for patients.

Disclosure statement

No potential conflict of interest was reported by the authors.

Additional information

Funding

This study was funded by the P.A. Benjamin Manufacturing Company Limited.

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