Patent ID: 7728158

Claim:
A peroxisome proliferator-activated receptor activity regulator, which comprises an acylamide compound of the formula (1), or a pharmaceutically acceptable salt thereof, and at least one pharmaceutically acceptable carrier, diluent, excipient, disintegrating agent, lubricant, and/or flow improver: wherein R1 is a hydrogen atom or an alkyl group having 1 to 6 carbon atoms; R2 is an alkyl group having 1 to 10 carbon atoms, aryl group having 6 to 10 carbon atoms, arylalkyl group having 7 to 20 carbon atoms, or alkylthioalkyl group having 2 to 6 carbon atoms; R3 is a hydrogen atom or an alkyl group having 1 to 6 carbon atoms, and R2 and R3 may bond each other to form a ring; R4 is a hydrogen atom or an alkyl group having 1 to 16 carbon atoms; R5 is a straight-chain hydrocarbon group having 5 to 21 carbon atoms which may have 1 to 3 double bond(s); and X is NH.