PROBLEM TO BE SOLVED: To provide a particulate preparation having an effectively controlled elution characteristic of the drug even when an average particle size is small.SOLUTION: The particulate preparation consists of drug particles and a coating layer that coats the drug particles. The coating layer contains 0.1-0.8 pts.wt. of lipid components against 2.4 pts.wt. of water-insoluble polymers, the water-insoluble polymers contain sustained-release polymers and enteric-coated polymers, and the lipid complements contain C15 or more fatty acids.SELECTED DRAWING: NoneCOPYRIGHT: (C)2018,JPO&INPIT【課題】平均粒子径が小さい場合でも、薬物の溶出特性が有効に制御された粒子製剤を提供する。【解決手段】薬物粒子と、前記薬物粒子を被覆する被覆層とを有する粒子製剤であって、前記被覆層は、水不溶性高分子２．４重量部に対して、脂質成分０．１～０．８重量部を含有し、前記水不溶性高分子は、徐放性高分子と腸溶性高分子とを含み、前記脂質成分は、Ｃ１５以上の脂肪酸を含むことを特徴とする粒子製剤。【選択図】なし
