期刊
INTERNATIONAL JOURNAL OF NANOMEDICINE
卷 11, 期 -, 页码 1201-1212出版社
DOVE MEDICAL PRESS LTD
DOI: 10.2147/IJN.S99198
关键词
ibuprofen; nanostructured lipid carriers; skin penetration; SKH-1 hairless mice; osteoarthritis
资金
- Hungarian National Research Fund [OTKA NN 110676, K 112531]
An ibuprofen-loaded nanostructured lipid carrier (IBU-NLC) was developed for enhanced skin penetration to improve the treatment of osteoarthritis and other musculoskeletal diseases. The mean particle size was 106 nm, with a spherical morphology, a smooth surface, and a zeta potential of -18.4 mV. X-ray diffraction studies revealed the amorphous state of the lipid matrix. Both Raman spectroscopy and Fourier transformation infrared analysis indicated no major shifts in the spectra of the formulations, which suggest rapid drug dissolution from the nanoparticles. The drug loading was 9.85%, and the entrapment efficiency was 98.51%. In vitro release of the NLC dispersion, in vitro permeation, and in vivo animal studies of IBU-NLC gel all confirmed that the permeation of IBU was significantly better than that of a reference after 6 hours. In conclusion, IBU-NLC gel is of great potential to enhance drug permeation through the skin and hence the efficacy of the treatment of chronic joint inflammation.
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