A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 9/48 (2006.01) A61K 9/32 (2006.01) A61K 45/08 (2006.01) A61K 47/30 (2006.01)
Patent
CA 2359812
The present invention relates to a pharmaceutical composition in a solid unit dosage form for oral administration in a human or lower animal comprising: a. a safe and effective amount of a therapeutically active agent; b. an inner coating layer selected from the group consisting of poly(methacrylic acid, methyl methacrylate) 1:2, poly(methacrylic acid, methyl methacrylate) 1:1, and mixtures thereof; and c. an outer coating layer comprising an enteric polymer or film coating material; wherein the inner coating layer is not the same as the outer coating layer; wherein if the inner coating layer is poly(methacrylic acid, methyl methacrylate) 1:1 then the outer coating layer is not poly(methacrylic acid, methyl methacrylate) 1:2 or is not a mixture of poly(methacrylic acid, methyl methacrylate) 1:1 and poly(methacrylic acid, methyl methacrylate) 1:2; and wherein the inner coating layer and the outer coating layer do not contain any therapeutically active agent. This invention further relates to a method of maintaining the desired site of delivery of a therapeutic agent in the gastrointestinal tract by administering the above compositions to a human or lower animal.
Amante Joseph Michael
Cronk Tony Ryan
Dittmar Gregory Paul
Newby Daniel Gary
The Procter & Gamble Company
Torys Llp
Warner Chilcott Company Llc
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