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SOURCE Boston Scientific Corporation
New Data Announced At TCT 2013 Demonstrate Successful Deployment In All 120 Patients With No Severe Paravalvular Regurgitation At 30 Days
San Francisco, Oct. 31, 2013 /PRNewswire/ -- The Boston Scientific Corporation (NYSE: BSX) Lotus™ Valve System met a key performance measure in the treatment of symptomatic patients with severe aortic valve stenosis considered at high risk for surgical valve replacement, according to new data released today at the Transcatheter Cardiovascular Therapeutics (TCT) Conference in San Francisco.
Data presented as a First Report Investigation by Professor Ian Meredith, director of MonashHeart at Monash Medical Centre in Melbourne, Australia, and principal investigator of the REPRISE II Trial, demonstrated that the Lotus Valve System, which was implanted successfully in all 120 patients, met the primary device performance endpoint at 30 days with no severe paravalvular aortic regurgitation (leaking).
The Lotus Valve System is a differentiated second generation transcatheter aortic valve replacement (TAVR) device designed for total control. It is both fully repositionable and retrievable prior to release, with a unique Adaptive Seal™ technology designed to minimize paravalvular aortic regurgitation, a proven predictor of mortality.1,2,3
"The results from the REPRISE II trial continue to demonstrate the benefits of the Lotus Valve System, particularly the ability to position the valve accurately the first time, while having the advantage of full retrieval if needed," said Meredith. "In all 120 patients, the Lotus Valve System was successfully implanted and positioned appropriately with negligible aortic regurgitation while reporting low 30-day all-cause mortality and major stroke rates in this sick patient population. This is a testament to the advancement in technology that the Lotus Valve System offers."
REPRISE II is an ongoing prospective, single-arm study that has enrolled 120 patients at 14 sites in Australia, France, Germany and the UK. REPRISE II is being extended to enroll an additional 130 patients at twenty sites in Australia and Europe.
Key findings included:
One-year results from REPRISE I, a prospective, single-arm feasibility study on patients with severe symptomatic aortic stenosis conducted in Australia, were presented in May at EuroPCR by Professor Meredith and published online ahead of print by EuroIntervention. The data demonstrated sustained safety and performance of the Lotus Valve out to one year with no new major adjudicated events, as defined by the Valve Academic Research Consortium (VARC), and no moderate or severe paravalvular aortic regurgitation in any patient.
"These new results from the REPRISE clinical trial program, and particularly those from the REPRISE II trial, underscore the unique technology behind the Lotus Valve System," said Keith Dawkins, M.D., global chief medical officer, Boston Scientific. "These features lead to a predictable implantation procedure and may result in improved clinical outcomes. The Lotus Valve offers a novel TAVR option for patients with severe aortic valve disease considered at high risk for surgical valve replacement."
About the Lotus Aortic Valve System
The Lotus Aortic Valve System is a differentiated second-generation TAVR technology, consisting of a pre-loaded, stent-mounted tissue valve prosthesis and catheter delivery system for guidance and percutaneous placement of the valve. The low-profile delivery system and introducer sheath are designed to enable predictable and precise placement associated with early valve function, as well as bi-directional atraumatic repositioning and retrieval at any time prior to release of the aortic valve implant. The device also employs a unique Adaptive Seal™ feature designed to minimize the incidence of paravalvular regurgitation, which has proven to be a predictor of mortality. The Lotus Valve System has CE Mark approval and is available for sale in Europe and CE Mark countries. In the U.S., the Lotus Valve System is an investigational device and not available for sale.
About Aortic Valve Disease
Aortic valve disease results in dysfunction of the aortic valve, one of the four valves that control the flow of blood in and out of the heart. Aortic valve stenosis is the process of thickening and stiffening in the valve, which can result in an abnormal narrowing of the aortic valve opening and reduction in blood flow. Aortic stenosis is a common problem affecting approximately three percent of the population over age 65 and five percent of people older than 75. From the onset of aortic stenosis symptoms, the average survival rate is 50 percent at two years and 20 percent at five years.
About Boston Scientific
Boston Scientific transforms lives through innovative medical solutions that improve the health of patients around the world. As a global medical technology leader for more than 30 years, we advance science for life by providing a broad range of high performance solutions that address unmet patient needs and reduce the cost of healthcare. For more information, visit www.bostonscientific.com and connect on Twitter and Facebook.
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