THERAPEUTIC AGAINST DISEASES ASSOCIATED WITH THE DEATH OF THE CELLS OF THE ENDOTHELIUM OF THE CORNITUM, DUE TO THE CONDITION OF THE ENDOPLASMATIC RETICULUM
The present invention provides a treatment drug or prophylactic drug for diseases, disorders, or conditions related to endoplasmic reticulum (ER) stress. Specifically, the present invention provides a treatment drug or prophylactic drug for diseases, disorders, or conditions related to endoplasmic reticulum (ER) stress in the corneal epithelium, the drug containing a TGF²-signal inhibitor. As a preferred TGF²-signal inhibitor, the drug contains 4-[4-(1,3-benzodioxole-5-yl)-5-(2-pyridinyl)-1H-imidazole-2-yl]benzamide.