Multi-stage oral drug controlled-release system

Details Multi-stage oral drug controlled-release system Multi-stage oral drug controlled-release system

A - Human Necessities

61

K

A61K 9/16 (2006.01) A61K 9/20 (2006.01) A61K 9/28 (2006.01) A61K 31/137 (2006.01) A61K 31/401 (2006.01) A61K 31/407 (2006.01) A61K 31/522 (2006.01) A61K 31/554 (2006.01)

Patent

CA 2472237

The present invention relates to, as a novel oral drug delivery system for control of drug release, a preparation for maintaining drug concentration in blood at a certain level for a prolonged time by allowing the drug to be released by a constant rate through stepwise control of drug release upon the administration of the preparation.

Cette invention concerne une préparation utilisée comme nouveau système d'administration de médicaments oraux permettant une libération contrôlée du médicament, laquelle préparation permet de maintenir la concentration du médicament dans le sang à un certain niveau pendant une durée prolongée tout en permettant au médicament d'être libéré à débit constant par un contrôle séquentiel de la libération du médicament dès l'administration de la préparation.

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