A pharmaceutical formulation for oral administration comprising sustained-release granules containing tamsulosin hydrochloride

摘要

The present invention is an oral pharmaceutical formulation containing slow-release granules containing tamsulosin hydrochloride, wherein the sustained-release granules are based on 1 part by weight of tamsulosin hydrochloride, 10 to 300 parts by weight of polyvinyl acetate, hydroxypropylmethylcellulose 5 to 250 parts by weight, and 1 to 450 parts by weight of a diluent, and the sustained-release granules have a weight ratio of 360 to 495 parts by weight with respect to 1 part by weight of tamsulosin hydrochloride. to provide.