Abstract: Present invention provides pharmaceutical composition comprising memantine or a pharmaceutically acceptable salt thereof as well as a method for its production. Also provided are different formulations of the composition their structure and preferred shape.

Abstract: The invention concerns new pharmaceutical agents comprising the known medicinal celecoxib for oral administration and adapted to release the celecoxib in a controlled manner over an extended period, typically for a period of up 10-12 hours or more. The invention also includes a method for the production of the new pharmaceutical agents and a method for their use to achieve the desirable therapeutic effects of celecoxib, for example in the management of pain.