Patent ID: 7361658

Claim:
A pharmaceutical composition comprising a 2-acylaminothiazole derivative represented by formula (I) or a pharmaceutically acceptable salt thereof as an active ingredient wherein A is methylene; R 1 is a group represented by the formula (II), or cyclic amino which may be substituted wherein R 11 is a hydrogen atom, a lower alkyl which may be substituted, or a cycloalkyl which may be substituted such that when A represents methylene, R 11 may be present as methylene which is bridged to thienyl or phenyl represented by R 2 or when A represents methylene, R 11 may be present as a lower alkylene which may be substituted and which forms a ring closed at the methylene represented by A; and R 12 is a lower alkyl, a cycloalkyl or a non-aromatic heterocycle, each of which may be substituted; R 2 is thienyl or phenyl, each of which is substituted with one or more groups selected from the group consisting, of a lower alkyl which may be substituted with one or more halogens, and a halogen; and R 3 is an aromatic heterocycle, an aryl or cyclic amino, each of which may be substituted.