Preventive and/or therapeutic agent for neutrophilic inflammatory diseases

摘要

The present invention provides a preventive and/or therapeutic agent for neutrophilic inflammatory diseases which comprises as an active ingredient, a bicyclic heterocyclic compound represented by formula (I): [wherein R¹ represents a hydrogen atom, substituted or unsubstituted alkyl, or the like, A¹-A²-A³-A⁴ represents N-CR³-CR⁴-CR⁵ (wherein R³, R⁴, and R⁵ are the same or different and each represents a hydrogen atom, substituted or unsubstituted lower alkyl, and the like), Q represents substituted or unsubstituted phenylene, and the like, and T represents substituted or unsubstituted lower alkyl, substituted or unsubstituted aroyl, and the like].