PHARMACEUTICAL FORMULATION FOR ORAL ADMINISTRATION WITH CONTROLLED DISSOLUTION RATE COMPRISING SUSTAINED-RELEASE PELLETS CONTAINING TAMSULOSIN HYDROCHLORIDE

摘要

A pharmaceutical formulation for oral administration with a controlled dissolution rate is provided. The formulation contains Tamsulosin hydrochloride-containing sustained-release pellets. The sustained-release pellets include (i) a Tamsulosin hydrochloride, (ii) hydroxypropyl methylcellulose (HPMC), (iii) an acid-resistant acryl polymer, and (iv) two or more kinds of insoluble diluents. A preparation method of the formulation is provided.