Patent ID: 6495162
Filing Date: 2002-12-17
Classification: A61K,A61P

Abstract:
A controlled release pharmaceutical tablet comprising:(a) a core comprising: (i) 50-98% of an antihyperglycemic drug; (ii) 0-40% of a binding agent; and (iii) 0-20% of an absorption enhancer; (b) a water soluble seal coat; (c) a semipermeable membrane coating covering said core wherein the membrane is permeable to the passage of water and biological fluids and is impermeable to the passage of the antihyperglycemic drug wherein said coating comprises 50-99% of a polymer; 0-40% of a flux enhancer and 0-25% of a plasticizer; and (d) at least one passageway in the semipermeable membrane for the release of the antihyperglycemic drug.