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Formulation And Evaluation Of Acyclovir Sodium Solid Lipid Microparticles

Anantha Naik Nagappa, Gaurav Agarwal, Vinuth Chikkamath, Shilpi Agarwal, Rekha Rani and PK Karar

Acyclovir sodium is an antiviral drug used to treat herpes, chicken pox and herpes skin infections. Acyclovir sodium potential as an antiviral drug is limited by its low oral bioavailability (20-30%) with short half life (2-3hours) with poor plasma protein binding. There is an opportunity to utilize Acyclovir sodium as an antiviral drug by enhancing the bioavailability by formulation technology. In this paper solid microparticle (o/w) of Acyclovir was prepared by melt dispersion technique. The characterization of drug using scanning electron microscopy, FT-IR, particle size, percentage yield, drug loading capacity, hausner’s ratio and carr’s index, bulk density and tapped density. In vitro drug release studies using phosphate buffer has shown as formulation F5 sustained release for 17hrs.