Sustained-release preparations and method for producing the...

A - Human Necessities – 61 – K

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A61K 9/16 (2006.01) A61K 9/20 (2006.01) A61K 31/00 (2006.01) A61K 9/28 (2006.01)

Patent

CA 2509259

The present invention relates to sustained-release preparations prepared by double granulation and methods for producing the same. The sustained-release preparations according to the present invention enables maintenance of effective blood concentration of drug for many hours via sustained release of the drug over 12 hours or more, and further its production is easy owing to convenience of process.

La présente invention se rapporte à des préparations à libération prolongée préparées par double granulation ainsi qu'à des procédés de production de ces préparations. Les préparations à libération prolongée de la présente invention permettent de maintenir une concentration sanguine efficace du médicament pendant plusieurs heures du fait de la libération prolongée du médicament pendant 12 heures ou plus, et par ailleurs, la production de ces préparations est facilitée par l'aspect pratique du processus.

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