Preparation and evaluation of sustained release loxoprofen loaded microspheres
Journal Title: Journal of Basic and Clinical Pharmacy - Year 2011, Vol 2, Issue 3
Abstract
The aim of present study was to formulate and evaluate the loxoprofen loaded Sustained release microspheres by emulsion solvent evaporation technique. Ethylcellulose, a biocompatible polymer is used as the retardant material.The effects of process conditions such as drug loading, polymer type and solvent type on the characteristics of microspheres were investigated. The prepared microspheres were characterized for their particle size and drug loading and drug release. The in-vitro release studies were carried out in phosphate buffer at pH 7.4. The prepared microspheres were white, free flowing and spherical in shape. The drug-loaded microspheres showed 71.2% of entrapment and the in-vitro release studies showed that Loxoprofen microspheres of 1:3 ratios showed better sustained effect over a period of 8 hours.
Authors and Affiliations
Venkatesan. P, Manavalan. R, Valliappan. K
Keywords
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