Disclosed is a substituted amide represented by formula (I), which is useful as an active ingredient of a pharmaceutical composition, especially as an active ingredient of a pharmaceutical composition for the treatment of diseases that are induced by lysophosphatidic acid (LPA). (In the formula, A represents an optionally substituted aryl group or the like； B represents an optionally substituted aromatic five-membered heterocyclic group； X represents a single bond or a -(CRR)- group； n represents 1, 2, 3 or 4； R and R each represents a hydrogen atom or the like； Y-Y each represents a CR group or N； R represents a hydrogen atom or the like； R and R each represents a hydrogen atom or the like； m represents 1, 2 or 3； R represents a hydrogen atom or the like； and R represents an optionally substituted lower alkyl group or the like.)
