Swellable and porous bilayer tablet for gastroretentive drug delivery: Preparation and in vitro-in vivo evaluation

[Display omitted] The purpose of this study was to develop a novel gastroretentive drug delivery system with immediate buoyancy and high wet strength. The proposed bilayer tablet was composed of a drug layer and a highly porous and swellable gastroretentive (GR) layer. The highly porous GR layer was...

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