NDLI: Sustained Anti-inflammatory Effect of Resveratrol-Phospholipid Complex Embedded Polymeric Patch

Content Provider	Springer Nature Link
Author	Kalita, Bhupen Das, Malay K. Sarma, Munmun Deka, Anil
Copyright Year	2016
Abstract	Resveratrol-phospholipid complex (Phytosome®) (RSVP) was found better aqueous soluble and permeable than free resveratrol (RSV). RSVPs were incorporated in polymeric patch prepared by solvent casting method using Eudragit RL 100, PVP K30, and PEG 400 for application on dermal sites for sustained treating of inflammation. Prepared patches were evaluated for various physicochemical properties, surface morphology by SEM, TEM, and compatibility of patch components by FT-IR and DSC studies. Optimized formulation (F9) gave 95.79 ± 3.02% drug release and 51.36% (4.28 ± 0.48 mg/cm$^{2}$) skin permeation after 24 h. Skin extract when examined for drug accumulation showed 38.31 ± 2.42% drug content. FE-SEM images of the patch taken after drug release and skin permeation studies showed that RSVPs in polymeric patch are stable and retain their structure after 24 h long exposure to physiologic environment. Sustained anti-inflammatory effect was established in carrageenan-induced paw edema model in which test formulation gave 84.10% inhibition of inflammation at 24 h as compared to 39.58% for standard diclofenac sodium gel. The CLSM study confirmed the localization of RSVPs for a longer period, thus enabling drug targeting to the dermis for sustained effect. Skin irritation test on rabbit revealed that the patches are safe for skin application. Histological observations suggested that after exposure to the permeants, the SC integrity had not altered and no evidence of presence of inflammatory cells found. RSVP (Phytosome®) containing patches abled to give sustained therapeutic effect that may be useful in treating acute and chronic inflammation.
Starting Page	629
Ending Page	645
Page Count	17
File Format	PDF
Journal	AAPS PharmSciTech
Volume Number	18
Issue Number	3
e-ISSN	15309932
Language	English
Publisher	Springer US
Publisher Date	2016-05-12
Publisher Institution	American Association of Pharmaceutical Scientists
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Pharmacology/Toxicology Biotechnology Biochemistry Pharmacy
Content Type	Text
Resource Type	Article

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