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Study finds plasmin -- delivered through a bubble -- more effective than tPA in busting clots
Date:5/15/2013

troke is intravenous delivery of U.S. Food and Drug Administration-approved rt-PA within three hours of stroke onset. Ischemic stroke is the most common type of stroke, accounting for about 87 percent of all stroke cases.

But Shaw says there is a "critical need" for a safer and more effective thrombolytic, as rt-PA carries a risk of bleeding. Intracranial hemorrhage currently occurs in 6 percent of patients receiving rt-PA therapy.

"Previous in vivo studies have demonstrated better safety of plasmin as compared with rt-PA," he says. "Currently, intra-arterial plasmin is undergoing clinical trials. Our next step is to work on targeting the liposome by putting antibodies on its surface that will stick it to the clot. We also want to improve the efficiency of encapsulating the plasmin in the liposome. Right now, about 15 percent of the plasmin gets into the liposomewe're aiming for 50 percent."


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Contact: Katy Cosse
kcosse@gmail.com
513-309-3180
University of Cincinnati Academic Health Center
Source:Eurekalert

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