Generated: May 22, 2017
|Title:||Pellet-type formulation intended for treating the intestinal tract|
|Abstract:||An orally adminsterable pharmaceutical pellet formulation for the treatment of the intestinal tract is disclosed, which comprises a core and an enteric coating, the core including, as a pharmaceutical active compound, aminosalicyclic acid or a pharmaceutically tolerable salt or a derivative thereof.|
|Inventor(s):||Otterbeck; Norbert (Uberlingen, DE)|
|Assignee:||Dr. Falk Pharma GmbH (DE)|
|Filing Date:||Aug 30, 1999|
|Claims:||1. An orally administrable pharmaceutical pellet formulation having a controlled release profile for the treatment of the intestinal tract, which comprises a core and an enteric coating, the core including, as a pharmaceutically active compound, 5-aminosalicylic acid, or a pharmaceutically tolerable salt thereof, homogeneously dispersed in a non gel-forming polymer matrix which extends through the entire core and which is essentially insoluble in the intestinal tract and permeable to intestinal fluids; |
wherein the matrix is a poly(ethyl acrylate, methyl methacrylate) 2:1 matrix; and
wherein the matrix-forming polymer makes up at least 1% by weight of the total weight of the core; and
wherein the enteric coating comprises poly(methacrylic acid, methyl methacrylates) 1:1 or 1:2; and
wherein the release of said active compound in 0.1 M HCl after 2 hours is <10%; the release of said active compound in artificial gastric juice at pH=6.8 after 0.5 hours is 10-30%, after 2 hours is 40-60% and after 6 hours is at least 80%.
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