1. Thrombolysis agents include streptokinase , reteplase, alteplase, and tenecteplase. 2. Doctors also use clot-busting drugs such as streptokinase . 3. Previous studies show Activase is more effective than streptokinase . 4. Reteplase's superiority over streptokinase wasn't statistically significant, he said. 5. Streptokinase cost $ 200, and it wasn't clear TPA was better.6. One drug is streptokinase , which is an enzyme secreted by several coronary vessels. 7. His work involving both the enzyme streptokinase , which can help dissolve blood clots, 8. He also described a method of purifying streptokinase , permitting its successful use in patients. 9. These drugs include a hepatitis B vaccine and a treatment for heart attacks called streptokinase , 10. Activase costs about $ 2, 200 per dose, while streptokinase costs about $ 200.