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January 19th, 2010
Nanotechnology for Heart Patients
Abstract:
Researchers at MIT and Harvard think they've found a way to use nanotechnology to replace the drug-coated heart stent, a product plagued with safety concerns.
The research is very, very preliminary and only tested in rats. But the idea is to inject nano-particles into heart patients that will cling to artery walls and gradually release medicine that helps stop the growth of scar tissue. The findings are published in Proceedings of the National Academy of Sciences.
Heart stents, those tiny mesh-wire tubes used to prop open clogged arteries, have become standard care for heart disease. The stents that release an anti-scarring drug were on their way to becoming blockbuster products last decade because they were believed to prevent future clogging of arteries. But studies linking drug-coated stents to blod clots and heart attacks hurt sales. Companies are working to develop safer versions.
Source:
portfolio.com
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