Controlled-release composition

Details Controlled-release composition Controlled-release composition

A - Human Necessities

61

K

A61K 9/52 (2006.01) A61K 9/28 (2006.01) A61K 9/50 (2006.01) A61K 31/137 (2006.01) A61K 31/485 (2006.01)

Patent

CA 2199345

A controlled-release composition comprising a drug-containing core coated with a coating composition containing a water-insoluble substance and a swellable polymer having no basic groups which is capable of maintaining an almost constant drug concentration in plasma over an extended period of time to ensure sustained drug action in the body.

Composition à libération-retard renfermant un noyau médicamenteux garni d'une composition de revêtement à base d'une substance insoluble dans l'eau et d'un polymère expansible sans groupes basiques, permettant de maintenir une concentration de médicament presque constante pendant une période de temps prolongée et ainsi assurer la libération-retard d'un médicament dans l'organisme.

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