
1) Clot buster 2) Thrombolytic 3) Thrombolytic agent 4) Tissue plasminogen activator
Found on
https://www.crosswordclues.com/clue/activase

A form of tissue plasminogen activator that is made in the laboratory. It helps dissolve blood clots and is used to treat heart attacks, strokes, and clots in the lungs. It is also being studied in the treatment of cancer. It is a type of systemic thrombolytic agent. Also called Alteplase, r-tPA, and recombinant tissue plasminogen activator.
Found on
http://www.cancer.gov/dictionary?expand=A

<enzyme> A thrombolytic agent which works by activating the bodys own fibrinolytic system by activating the production of plasmin from plasminogen. Plasmin is an enzyme which degrades fibrin clots and fibrinogen, as well as several other protein clotting factors. ... (27 Sep 1997) ...
Found on
http://www.encyclo.co.uk/local/20973

Activase: Brand name of alteplase, a tissue plasminogen activator made by recombinant DNA technology. See: Tissue plasminogen activator.
Found on
http://www.medterms.com/script/main/art.asp?articlekey=40690
No exact match found.