PROBLEM TO BE SOLVED: To provide pharmaceutical compositions for preventing or treating eye diseases capable of maintaining the stability of the compound represented by formula (1) and releasing the compound sustainedly, where the compound is effective for age related macular degeneration, diabetic retinopathy, retinopathy of immaturity, retinal venous obstruction, retinal arterial obstruction, polypoid choroidal angiopathy, retinal hemangioma-like proliferation, myopic choroidal neovascularization, diabetic macular edema, eye tumor, radiation retinopathy, iris rubeosis, angiogenic glaucoma or proliferative vitreoretinopathy (PVR).SOLUTION: The pharmaceutical composition comprises a compound represented by formula (1) or a salt thereof with polyethylene glycol.SELECTED DRAWING: None【課題】眼疾患を予防又は治療の為の、加齢性黄斑変性、糖尿病網膜症、未熟児網膜症、網膜静脈閉塞症、網膜動脈閉塞症、ポリープ状脈絡膜血管症、網膜血管腫状増殖、近視性脈絡膜新生血管、糖尿病黄斑浮腫、眼腫瘍、放射線網膜症、虹彩ルベオーシス、血管新生緑内障又は増殖性硝子体網膜症（PVR）に有効な式（１）で表される化合物の安定性に優れ、前記化合物の持続放出性を有する医薬組成物の提供。【解決手段】式（１）で表される化合物又はその塩をポリエチレングリコールと共に含有する医薬組成物。【選択図】なし
