MATRIX-TYPE PHARMACEUTICAL SOLID PREPARATION

摘要

The present invention aims to provide a matrix-type solid preparation that has high-level release controllability for suppressing drug release in the upper gastrointestinal tract and accelerating drug release in the lower gastrointestinal tract, and that solves of all the above drawbacks caused by combining a plasticizer. The present invention provides a method for producing a matrix-type pharmaceutical solid preparation that contains: (a) a methacrylic acid-based enteric polymer; (b) a sugar and/or a sugar alcohol, and (c) tolvaptan.