PROBLEM TO BE SOLVED: To provide a novel compound having calpain inhibitory effect and useful for neurodegeneration, cataract, restenosis, tumor and others, and a pharmaceutical composition comprising the compound.SOLUTION: The present invention provides a carboxamide compound of the following formula, and a pharmaceutical composition comprising the compound [Ris benzyl or the like; Ris aryl or the like; Ris alkyl or the like; Ris halogen; m is 0 or 1; n is 0].SELECTED DRAWING: None【課題】カルパインの阻害効果を有し、神経変性、白内障、再狭窄、腫瘍等に有用な新規化合物、及び該化合物を含有する医薬組成物の提供。【解決手段】下式のカルボキサミド化合物、及び該化合物を含有する医薬組成物。[R1はベンジル等;R2はアリール等;R3はアルキル等;R5はハロゲン;mは0又は1;nは0]【選択図】なし