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ARISE - Aortic Valve Replacement Using Individualised Regenerative Allografts: Bridging the Therapeutic Gap

Sponsor: EU 
Duration: 2015 - 2019 
Coordinator: Axel Haverich (Hannover Medical School) 
CELLS contributors: Nils Hoppe; Sissi Eklu-Natey
More information: http://arise-clinicaltrial.eu/home.html

Project description

65,000 aortic valve replacements (AVR) are performed in Europe each year to treat acquired and congenital aortic valve disease.* Mortality without AVR is extremely high when symptoms occur and 50 % of affected patients die within 2 years.** Current AVR options are, however, limited for young patients - especially female patients - and those unwilling to accept life-long medical anticoagulation with its inherent risks. None of the currently available prostheses for AVR is tailored toward the individual patient or allows for individual regeneration. The ARISE project will bridge this therapeutic gap in a clinical study to determine the feasibility, safety and efficacy of regenerative heart valves for aortic valve replacement.

After extensive preclinical work, Haverich et al. have used decellularized allogenic heart valve matrices for AVR on the basis of compassionate use in 34 patients with tentative assessment showing auspicious initial clinical results. However, transferring this regenerative approach to routine clinical application necessitates controlled prospective clinical trials which are lacking to date. 

The translation of research in regenerative medicine from bench to bedside is frequently hampered by lengthy and complex regulatory procedures. This holds especially true for regenerative solutions based on human cell or tissue products where regulatory paths at national level are often unclear. Making these products available across Europe adds a further level of complexity as regenerative products are not subject to harmonized procedures, such as those for pharmaceutical products within Europe.

The ARISE consortium will address these challenges, integrating a network of six leading centres for cardio-thoracic surgery, each with proven track records in clinical research, an innovative SME experienced in bringing human tissue products to the clinic and market and expertise in ethical and regulatory aspects of regenerative medicine

*Head SJ et al. The European Association for Cardio-Thoracic Surgery (EACTS) database: an introduction. Eur J Cardiothorac Surg. 2013 Sep;44(3):e175-80.
**Otto CM. Aortic stenosis-listen to the patient, look at the valve. N Engl J Med. 2000 Aug 31;343(9):652-4.