US Patent 7015241 Appetite-stimulating agents and remedies for anorexia

An appetite-stimulating agent and a therapeutic agent for anorexia, each comprising, as an active ingredient, a sulfonamide derivative or sulfonic acid ester derivative represented by the following general formula (I): wherein the ring A represents a monocyclic or bicyclic aromatic ring which may be substituted,the ring B represents a 6-membered unsaturated hydrocarbon ring or a 6-membered unsaturated heterocyclic ring containing one nitrogen atom as a heteroatom, each of which may be substituted,the ring C represents a 5-membered heterocyclic ring containing one or two nitrogen atoms, which may be substituted,W represents a single bond or —CH═CH—,X represents —N(R1)— or an oxygen atom,Y represents a carbon atom or a nitrogen atom,Z represents —N(R2)— or a nitrogen atom, andR1 and R2 may be identical or different and each represents a hydrogen atom or a lower alkyl group, or a pharmacologically acceptable salt thereof, or a hydrate thereof.