PROBLEM TO BE SOLVED: To provide an improved dosage form for performing controlled release of a useful organic substance, particularly, for being used in a situation that delivery of the organic substance with a high dosage is needed.SOLUTION: This composite material includes a porous semiconductor impregnated with at least one useful organic substance, and the useful organic substance is present in an amount of at least 15 wt.% on the basis of the weight of the composite material. A method for preparing such materials, a pharmaceutical composition containing them, and their use in a method of treatment are also provided.COPYRIGHT: (C)2012,JPO&INPIT【課題】有益な有機物質を制御放出するための、特に有機物質を高用量で送達する必要がある状況で使用するための改善された剤型を提供する。【解決手段】少なくとも一つの有益な有機物質が含浸された多孔性半導体を含み、前記有益な有機物質が、複合材料の重量を基準として、少なくとも15重量%の量で存在する、複合材料。このような材料を調製する方法、それらを含む薬学的組成物、治療の方法におけるそれらの使用。【選択図】なし
