Development of transdermal vitamin D3 (VD3) delivery system using combinations of PLGA nanoparticles and microneedles

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Although vitamin D3 (VD3), which is the main form of vitamin D, can be produced in human skin under the sunlight, vitamin D deficiency emerged as a major public health problem worldwide. Mainly, oral supplements or vitamin D-fortified foods are distributed to help supplementation of vitamin D. However, those oral methods are limitedly supplied in the Middle East countries, and oral absorption has low efficiency due to many barriers and various changes of conditions along the route. Then, it is recommended to take them every day in order to maintain the adequate serum level of vitamin D. Alternatively, transdermal delivery system could provide a convenient way to get sustained supplement of vitamin D by its advantages like avoiding first-pass effect of the liver and providing release for long periods of time. In this study, we introduced transdermal delivery system for sustained vitamin D release using coating microneedles that easily pierce the skin layer with enough mechanical strength and allow the localization of drugs within the dermal region. According to the experimental results, poly (lactic-co-glycolic acid) (PLGA) successfully encapsulated VD3 as a nanoparticle form with appropriate properties for transdermal delivery such as size distribution, skin compatibility, and effective release of encapsulated compound. Finally, PVD3 layers coated on solid microneedles were completely dissolved into intradermal region in porcine skin model and revealed better performance for VD3 release into plasma compared to ointment base transdermal method.
Publisher
SPRINGER HEIDELBERG
Issue Date
2018-02
Language
English
Article Type
Article
Keywords

DRUG-DELIVERY; IN-VIVO; RELEASE; SKIN; STABILITY; PROTEIN; ABSORPTION; CARRIER

Citation

DRUG DELIVERY AND TRANSLATIONAL RESEARCH, v.8, no.1, pp.281 - 290

ISSN
2190-393X
DOI
10.1007/s13346-017-0460-x
URI
http://hdl.handle.net/10203/241461
Appears in Collection
CBE-Journal Papers(저널논문)
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