Abstract
Nonsteriodal anti-inflammatory drugs (NSAIDs) are amongst the most commonly prescribed medications in the world. Almost all the NSAIDs available in the market have severe side effects. As awareness of the GI side effects associated with NSAIDs increases, safety becomes a primary requisite in treatment. A trend in NSAID development has been to improve therapeutic efficacy and reduce the severity of GI side effects through altering dosage forms by modifying release of the formulations to optimize drug delivery. One such approach is using polymeric microspheres as carriers of drugs. A brief review of the NSAIDs which are incorporated into microspheres, the polymers used, various methods of preparation, in vitro and in vivo evaluation are given in this review with more importance to methods adopted.
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