Abstract: The present invention relates to a composition comprising an aqueous solvent and a conjugate of at least one hydrophilic polymer having a primary amine functional group, a derivative or monomer thereof and at least one acidic drug; a method for its preparation and use thereof.

Abstract: The present invention relates to a composition comprising an aqueous solvent and a conjugate of at least one hydrophilic polymer having a primary amine functional group, a derivative or monomer thereof and at least one acidic drug; a method for its preparation and use thereof.

Abstract: Chitosan silicon dioxide coprecipitate composition, method of production thereof, pharmaceutical composition comprising the chitosan silicon dioxide coprecipitate composition and use of the chitosan silicon dioxide coprecipitate composition for manufacturing a sustained or immediate release formulation.

Abstract: The present invention is directed to a controlled-release pharmaceutical composition providing a sustained delivery of the basic drug Terbutaline sulfate, said composition comprising at least Terbutaline sulfate or a derivative thereof as an active agent, and further comprising an inactive matrix, said matrix comprising a hydrophilic polysaccharide polymer mixture, said mixture comprising chitosan or a derivative thereof, and further comprising xanthan gum or a derivative thereof, wherein the ratio of xanthan gum and chitosan within said mixture is in the range from about 1:10 to about 10:1, and said composition optionally comprising sodium bicarbonate.

Abstract: The present invention relates to a controlled-release pharmaceutical composition comprising at least one active agent and an inactive matrix, said matrix comprising chitosan and derivatives thereof, and further comprising a hydrophilic polysaccharide polymer selected from the group of carbohydrate gums, specifically xanthan gum, and to the preparation and use of said composition.

Abstract: The present invention relates to a controlled-release pharmaceutical composition comprising at least one active agent and an inactive matrix, said matrix comprising a mixture of hydrophilic polysaccharide polymers comprising xanthan gum and salts and derivatives thereof, and further comprising sodium alginate and salts and derivatives thereof, characterised in that the ratio of said active agent and said hydrophilic polysaccharide polymer mixture is in the range from about 1:1 to about 1:5; and to the preparation and use of said composition.