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Treatment of epilepsy faces immense challenge and often fails due to pharmaco-resistance and incapability of antiepileptic drug to cross the blood brain barrier (BBB). This problem demands an alternate, newer effective delivery approach. The intranasal drug delivery has emerged as a preferential route because of its ability to deliver drug directly to brain, facilitated through unique anatomy of the nasal cavity. The purpose of present study was to formulate and characterize in situ gel of lamotrigine (LGT) for delivery via nasal route.

The in situ gel was prepared using cold method utilizing sodium alginate, chitosan and methyl cellulose. The in vitro characterization of gel was performed for pH, gelation, drug content, viscosity, gel strength, in vitro release, and mucoadhesive strength.

The clear in …