Problem to be solved: to provide a novel thrombolytic agent, which is superior to conventional thrombolytic agents such as tissue type plasminogen activator (TPA).A composition for preventing and / or cancelling the arteries and venous thrombosis of the subject, including an effective amount of plasminogen. The composition may be used in combination with other therapeutic agents such as tissue plasminogen activator (TPA).No selection【課題】組織型プラスミノゲン活性化剤（ｔＰＡ）等の従来の血栓溶解薬と比較して優れた効果を有する新規血栓溶解薬の提供。【解決手段】有効量のプラスミノゲンを含む、被験者の動脈、静脈血栓を予防及び／又は解消させるための組成物。前記組成物は組織型プラスミノゲン活性化剤（ｔＰＡ）等の他の治療薬と組み合わせて用いてもよい。【選択図】なし
