Sustained-release pharmaceutical composition comprising donepezil or pharmaceutically acceptable salt thereof having improved dissolution stability and method for manufacturing the same

摘要

The present invention relates to a sustained-release formulation comprising donepezil or a pharmaceutically acceptable salt thereof. More particularly, the present invention relates to a sustained-release pharmaceutical composition comprising donepezil or a pharmaceutically acceptable salt thereof, and one or more sustained-release bases selected from the group consisting of polyvinyl acetate and fatty acid ester, and a preparation method thereof.