The present invention relates to a process for preparing 2-( { [7-hydroxy-5-(2-phenylethyl)-[1,2,4] triazolo [1,5-a] pyridin-8-yl] ) Acetic acid (2-(. {7-Hydroxy-5-(2-phenylethyl)-[1,2,4] triazolo [1,5-a] pyridin-8-yl] carbonyl. acid) or a pharmaceutically acceptable salt thereof, to a mammal, and a method for treating or preventing a renal disorder related disease such as diabetic nephropathy, and a method for treating or preventing said compound or a pharmaceutical product thereof A pharmaceutical composition for treating or preventing kidney disorder-related diseases including a permissible salt, and a novel medicinal use for said compound such as a pharmaceutical composition for treating or preventing renal disorder related diseases.本発明は、2-({[7-ヒドロキシ-5-(2-フェニルエチル)-[1,2,4]トリアゾロ[1,5-a]ピリジン-8-イル]カルボニル}アミノ)酢酸(2-({[7-Hydroxy-5-(2-phenylethyl)-[1,2,4]triazolo[1,5-a]pyridin-8-yl]carbonyl}amino)acetic acid)又はその製薬上許容される塩の治療上有効量を哺乳動物に投与することを含んでなる、糖尿病性腎症等の腎障害関連疾患を治療又は予防する方法、及び前記化合物又はその製薬上許容される塩を含む、腎障害関連疾患の治療又は予防用医薬組成物などの前記化合物の新規医薬用途を提供する。
