| abstract |
An object of the present invention is to provide a pharmaceutical composition that improves intestinal absorption of a compound having a structure represented by the general formula [1]. The composition containing a compound represented by the general formula [1] or a salt thereof and (b) a lipophilic substance improves intestinal absorption of the compound. In the formula, A represents -(NR 4 )-, (CR 5 R 6 ) - or the like; B represents an alkylene group or an alkenylene group; R 1 represents an alkyl group, an alkenyl group or the like; R 2 represents an adamantylalkyl group or the like; R 3 represents an unsaturated heterocyclic ring; R 4 , R 5 and R 6 each represent a hydrogen atom or the like; and X represents an oxygen atom or the like. |