METHOD FOR PREPARING PREPARATION CONTAINING SITAGLIPTIN IMMEDIATE RELEASE LAYER, PREPARATION PREPARED BY PREPARATION METHOD, METHOD FOR COATING SITAGLIPTIN IMMEDIATE RELEASE LAYER, AND COMPOSITION FOR COATING SITAGLIPTIN IMMEDIATE RELEASE LAYER

摘要

The present invention relates to a method for preparing a preparation containing a sitagliptin immediate release layer, a preparation prepared by the preparation method, a method for coating a sitagliptin immediate release layer, and a composition for coating a sitagliptin immediate release layer, the preparation method comprising the steps of: (a) preparing a coating solution by dissolving sitagliptin or a pharmaceutically acceptable salt in a highly volatile solvent; and (b) coating a sustained release layer with the coating solution.