| abstract |
The present invention provides a pharmaceutical composition comprising (a) a sustained release core comprising a therapeutically effective amount of tamsulosin or a salt thereof, from 1 to 90% by weight of a swellable polymer relative to the total weight of the sustained release core, and a pharmaceutically acceptable carrier; And (b) provides a controlled release pharmaceutical composition comprising a release control layer comprising a polymer that is dissolved at a pH above 5, coated on the sustained release core. |