PROBLEM TO BE SOLVED: To provide a pharmaceutical excipient complex capable of improving solubility of a drug when introduced to a pharmaceutical composition containing a lowly water-soluble drug.SOLUTION: The pharmaceutical excipient complex is prepared by combining at least one carrier with an oily substance. A process for preparing the pharmaceutical excipient complex, a stable pharmaceutical composition comprising the complex and active pharmaceutical ingredients, and a process for preparing the pharmaceutical composition are also provided.COPYRIGHT: (C)2013,JPO&INPIT【課題】低水溶性薬物を含む医薬組成物に導入した場合に薬物の溶解を改良し得る賦形剤複合体の提供【解決手段】少なくとも1つの担体を油性物質と混合することを含んでなる医薬賦形剤複合体、該複合体を調製するための方法、かかる複合体及び活性医薬成分を含んでなる安定医薬組成物、及び該組成物を調製するための方法。【選択図】なし