Abbott Announces Positive One-Year Results from the World's First Clinical Trial of a Fully Bioabsorbable Drug Eluting Coro... (s dissolvable sutures. Aswith a metallic...)

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Abbott Announces Positive One-Year Results from the World's First Clinical Trial of a Fully Bioabsorbable Drug Eluting Coronary Stent

Date:10/22/2007

s dissolvable sutures. As with a metallic stent, Abbott's bioabsorbable stent is designed to restore blood flow by propping a clogged vessel open, and to provide support until the blood vessel heals. Unlike a metallic stent, however, a bioabsorbable stent is designed to be slowly metabolized by the body and completely absorbed over time.

As reported in March 2007, late loss, a measure of reduction in lumen (vessel) diameter after stenting, was 0.44 mm for ABSORB at six months.

"ABSORB is an exciting future generation device that has the potential to advance the treatment of coronary artery disease beyond the benefits that next-generation metallic drug eluting stent platforms can provide," said John M. Capek, PhD., executive vice president, Medical Devices, Abbott. "Positive data with Abbott's bioabsorbable technology is encouraging and supports the direction we are moving toward in helping physicians open blocked arteries with stents, while also allowing the stent itself to disappear over time."

About the ABSORB Clinical Trial

The ABSORB trial is a prospective, non-randomized (open label) study designed to enroll up to 60 patients in Belgium, Denmark, France, New Zealand, Poland and The Netherlands. Key endpoints of the study include assessments of safety -- MACE (defined as any event that resulted in re-treatment of a diseased artery, heart attack or cardiac death) and stent thrombosis (blood clot formation) rates -- at 30,180 and 270 days, with additional annual follow-up for up to five years, as well as an assessment of the acute performance of the bioabsorbable drug-eluting stent. Other key endpoints of the study include successful deployment of the bioabsorbable drug eluting stent, follow-up measurements assessed by angiography, intravascular ultrasound (IVUS), and state-of-the-art imaging modalities at 180 days and two years.

For images of Abbott's bioabsorbable stent and other information, please visit the company's online TCT ne
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