PROBLEM TO BE SOLVED: To provide a compound a containing solid preparation for oral administration capable of being produced by a high speed stirring granulation method while retaining superior leachability of the compound a.SOLUTION: The solid preparation for oral administration contains: (A) 2-[4-[2-(benzimidazole-2-ylthio)ethyl]piperazine-1-yl]-N-[2,4-bis(methylthio)-6-methyl-3-pyridyl]acetamide or an acid addition salt thereof (B) citric acid (C) a wax component and (D) a surfactant.COPYRIGHT: (C)2013,JPO&INPIT【課題】化合物aの良好な溶出性を維持しながら、高速攪拌造粒法により製造可能な化合物a含有経口投与用固形製剤を提供する。【解決手段】(A)2-[4-[2-(ベンズイミダゾール-2-イルチオ)エチル]ピペラジン-1-イル]-N-[2,4-ビス(メチルチオ)-6-メチル-3-ピリジル]アセトアミド又はその酸付加塩、(B)クエン酸、(C)ワックス成分、及び(D)界面活性剤を含有する経口投与用固形製剤。【選択図】なし
