Pharmaceutical form with sustained ph-independent active...

A - Human Necessities – 61 – K

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A61K 9/50 (2006.01) A61K 31/495 (2006.01)

Patent

CA 2617280

Solid pharmaceutical formulation for a sustained pH-independent active ingredient release comprising at least one layer of one or more water- insoluble polymers, at least one layer of one or more pH-dependently water- soluble polymers and an active ingredient-containing core, having strong pH- dependent water solubility and comprises at least one osmagent.

L'invention porte sur une formulation pharmaceutique solide destinée à être utilisée dans la libération prolongée d'ingrédients actifs indépendants du pH, cette formulation comprenant au moins une couche d'un ou plusieurs polymères insolubles dans l'eau, au moins une couche d'un ou plusieurs polymères solubles dans l'eau en fonction du pH et un noyau contenant des ingrédients actifs, cette formulation ayant une forte solubilité dans l'eau en fonction du pH et comprenant au moins un agent actif d'un point de vue osmotique.

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