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Targeting of diacerein loaded lipid nanoparticles to intra-articular cartilage using chondroitin sulfate as homing carrier for treatment of osteoarthritis in rats
Department of Pharmaceutics, Indian Institute of Technology, Banaras Hindu University.
Department of Pharmaceutics, Indian Institute of Technology (Banaras Hindu University), Varanasi.
Department of Pharmaceutics, Indian Institute of Technology (Banaras Hindu University), Varanasi.
Department of Pharmaceutics, Indian Institute of Technology, Banaras Hindu University, Varanasi, Uttar Pradesh.
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2014 (English)In: Nanomedicine: Nanotechnology, Biology and Medicine, ISSN 1549-9634, E-ISSN 1549-9642, Vol. 10, no 5, 1031-1040 p.Article in journal (Refereed) Published
Abstract [en]

Targeted delivery of antiosteoarthritic drug diacerein to articular tissue could be a major achievement and soluble polysaccharide chondroitin sulfate (ChS) may be a suitable agent for this. Therefore, diacerein loaded solid lipid nanoparticles modified with ChS (ChS-DC-SLN) were prepared for synergistic effect of these agents to combat multidimensional pathology of osteoarthritis (OA). Prepared formulation were of size range 396. ±. 2.7. nm, showed extended release up to 16. h and increased bioavailability of diacerein by 2.8 times. ChS-DC-SLN were evaluated for their effect on histopathology of femoro-tibial joint of rat knee and amount of ChS and rhein (an active metabolite of diacerein) at targeted site. Concentration of rhein was significantly higher in case of ChS-DC-SLN (7.8. ±. 1.23. μg/ml) than that of drug dispersion (2.9. ±. 0.45. μg/ml). It can be stated that ChS served as homing to articular cartilage for targeting of drug. Thus, ChS-DC-SLN have great potential to enhance the overall efficacy of treatment for OA. From the Clinical Editor: This study demonstrates the feasibility of targeted delivery of diacerein to articular tissue using soluble polysaccharide chondroitin sulfate as the targeting vector. This approach has the potential to significantly increase anti-arthritic drug concentration in joints without leading to systemic toxicity

Place, publisher, year, edition, pages
2014. Vol. 10, no 5, 1031-1040 p.
National Category
Physical Chemistry
Research subject
Chemistry of Interfaces
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URN: urn:nbn:se:ltu:diva-62957DOI: 10.1016/j.nano.2014.01.008PubMedID: 24512762OAI: oai:DiVA.org:ltu-62957DiVA: diva2:1087734
Available from: 2017-04-10 Created: 2017-04-10 Last updated: 2017-04-10Bibliographically approved

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Rao Vuddanda, Parameswara
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