(1)a thrombolytic agent (trade name Activase) that causes fibrinolysis at the site of a blood clot; used in treating acute myocardial infarction
(2)血栓のある場所でフィブリン溶解現象を起こす血栓溶解剤(商標名アクティヴェース)
(3)急性心筋梗塞の治療に使われる