Polyalkylene oxide particles for preparation, pharmaceutical composition, composition for preparation, and preparation

Provided are: polyalkylene oxide particles which are suitable for use in the formation of a formulation that has a low degree of wear and is not susceptible to the occurrence of notches and cracks; a pharmaceutical composition which contains the polyalkylene oxide particles; and a pharmaceutical composition which contains the pharmaceutical composition. In the polyalkylene oxide particles for preparations according to the present invention, the content ratio of particles having a particle diameter of 150 [mu] m or more is less than 46 mass%, and the content ratio of particles having a particle diameter of 300 [mu] m or more is less than 10 mass%. The pharmaceutical composition according to the present invention comprises the polyalkylene oxide particles, and the pharmaceutical composition according to the present invention comprises the pharmaceutical composition. 本发明提供适合用于形成具有低磨损度、不易产生缺口和裂纹的制剂的聚环氧烷粒子和包含该聚环氧烷粒子的药物用组合物以及包含该药物用组合物的制剂用组合物。本发明的制剂用聚环氧烷粒子中，具有150μm以上的粒径的粒子的含有比例小于46质量%，具有300μm以上的粒径的粒子的含有比例小于10质量%。本发明