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- W3204230834 abstract "Brimonidine is an anti-glaucoma agent useful in treatment of intraocular pressure. In the present study an attempt was made to formulate ophthalmic inserts of brimonidine tartrate (BT) in combination with polymers like methylcellulose, carboxymethyl chitosan and HPMC. Prepared ocular films were evaluated for uniformity in thickness, weight variation, % moisture absorption, % moisture loss, in vitro and in vivo release studies. The physical characteristics of the films were found to be within acceptable limits. The study confirmed that brimonidine tartrate can be delivered through films made of methyl cellulose, carboxymethyl chitosan and HPMC combination matrix cast with ethyl cellulose (EC). In vitro release study revealed that increasing the proportion of polymer concentration decreased the rate of release of brimonidine tartrate. In vivo release profile of ocular inserts revealed controlled release of drug over a period of 24 h. Optimized formulation CH3 was evaluated for in vivo release characteristics using rabbits as animal model. The optimized formulation CH3 was found to be stable at accelerated storage condition of 40/75 % RH." @default.
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- W3204230834 date "2012-07-28" @default.
- W3204230834 modified "2023-10-18" @default.
- W3204230834 title "COMPARATIVE EVALUATION OF POLYMER COMBINATION IN THE DESIGN OF BRIMONIDINE TARTRATE OCULAR INSERTS" @default.
- W3204230834 doi "https://doi.org/10.53879/id.49.07.p0030" @default.
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