Polymeric micro and nanoparticles as promising drug delivery vehicles: a review Online publication date: Wed, 20-Aug-2014
by Ahmed Suliman Hussein; Norhafizah Abdullah; Fakhru'l-Razi Ahmadun
International Journal of Nanoparticles (IJNP), Vol. 5, No. 4, 2012
Abstract: Development of a successful delivery system capable of delivering an active agent to its targeted site at right concentration and time remains a challenge especially in the field of pharmaceutics where most drugs lack specificity and some side effects may exist. In the last few years, the recent advances in the field of nanotechnology led to the generation of promising particulate polymeric delivery systems. Among these systems biodegradable micro and nanoparticles are the most extensively investigated ones. They proved to be capable of improving the drug administration, efficacy and safety compared to conventional therapeutics. The present review highlights the various aspects of development, preparation methods and advantages of the biodegradable particulate delivery systems. More focus will be on poly(lactic acid) (PLA), poly(glycolic acid) (PGA) and poly(lactide-co-glycolide acid) (PLGA)-based delivery systems.
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