alteplase

noun

al·​te·​plase ˈal-tə-ˌplās 

: a recombinant form of tissue plasminogen activator that is used to prevent damage to heart muscle following a heart attack and to reduce neurological damage following ischemic stroke

Intravenous thrombolytic treatment with alteplase, initiated within 3 hours after the onset of symptoms, is the only medical therapy currently available for acute ischemic stroke.

—Werner Hacket et al., The New England Journal of Medicine

Note: Alteplase is marketed under the trademark Activase.