PHARMACEUTICAL COMPOSITION FOR PROPHYLAXIS AND TREATMENT OF TYPE I ALLERGIC DISEASES

摘要

A composition for preventing or treating type I allergic diseases containing as the active ingredient an anilide compound represented by general formula (I), a stereoisomer thereof, or a physiologically acceptable salt thereof, wherein R1 represents trifluoromethyl, halogeno or cyano; R2 represents hydrogen or linear or branched C1-C4 alkyl; and R3 represents a group represented by general formula (II) or (III), wherein R4 represents linear or branched C1-C4 alkyl, linear or branched C2-C6 alkenyl, linear or branched C2C6 alkynyl, or C3-C7 cycloalkyl. The composition can radically prevent or treat type I allergic diseases by inhibiting the production of IgE as a direct cause of these diseases.