| abstract |
The present invention provides a therapeutic agent for eating disorders, comprising, as an active ingredient, a xanthine derivative represented by formula (I): n n nwherein R 1 , R 2 and R 3 independently represent hydrogen, lower alkyl, lower alkenyl or lower alkynyl; R 4 represents cycloalkyl, —(CH 2 ) n —R 5 or the like; and X 1 and X 2 independently represent O or S, or a pharmaceutically acceptable salt thereof. |