EXTENDED RELEASE PHARMACEUTICAL COMPOSITIONS OF FESOTERODINE

摘要

A stable extend release pharmaceutical composition is disclosed. The composition comprises particles of fesoterodine or salts thereof, one or more rate controlling polymers and one or more pharmaceutically acceptable excipients wherein at least 90% of the total amount of particles of fesoterodine or salts thereof by volume (D₉₀) are having size greater than about 200 microns