SUSTAINED-RELEASE PHARMACEUTICAL COMPOSITION COMPRISING LEVETIRACETAM 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 pharmaceutical composition comprising a levetiracetam or a pharmaceutically acceptable salt thereof, and to a method of preparing the same. More specifically, the present invention relates to a sustained-release pharmaceutical composition comprising a levetiracetam or a pharmaceutically acceptable salt thereof with an improved dissolution stability that is constant dissolution rate under various releasing conditions, and to a method of preparing the same in a simple and easy manner.