| abstract |
Pharmaceutical composition in the form of a matrix tablet of gastric residence comprising an active ingredient, characterized in that in contact with a representative medium of the gastric fluid, it increases in volume, at an inflation rate of at least 200% after fifteen minutes. Claim 9: pharmaceutical composition in the form of a matrix tablet, according to any one of claims 1 to 8, characterized in that the active ingredient can be chosen from benzamides, alpha-antagonists, captopril, furosemide, ursodeoxycholic acid, amoxillin, (+) - alpha-aminomethyl-2-methoxysulfonamidobenzenemethanol and 3 '- (2-aminol-hydroxyethyl) -4'-fluoromethanesulfonanilide. Claim 10: Pharmaceutical composition in the form of a matrix tablet, according to claim 9, characterized in that the active ingredient is alfuzosin hydrochloride. |