New heart valve shows promise in tight aortic stenosis
NCT ID NCT05478161
First seen Nov 17, 2025 · Last updated Jun 11, 2026 · Updated 36 times
Summary
This study tested a new device called the ALLEGRA THV System with a new delivery system (IMPERIA) in 137 people with severe calcified aortic stenosis or a failed surgical valve. The main goal was to see if the valve worked well and was safe 7 days after the procedure. The study confirmed the device performed as intended.
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This is a summary of
the original study
.
Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Contacts and locations
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Locations
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Catharina Hospital
Eindhoven, Netherlands
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Erasmus Medical Center
Rotterdam, Netherlands
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Herz- und Gefäßzentrum Bad Bevensen
Bad Bevensen, Germany
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Hospital Alvaro Cunqueiro
Vigo, 36213, Spain
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Hospital Clínico San Carlos
Madrid, Spain
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Hospital Universitari de Bellvitge
Barcelona, Spain
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Hospital Universitario Virgen de la Victoria
Málaga, Spain
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Hospital Universitario de Salamanca
Salamanca, Spain
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Maastricht University Medical Center
Maastricht, Netherlands
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Schüchtermann Klinik
Bad Rothenfelde, Lower Saxony, 49214, Germany
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UKSH, Campus Lübeck
Lübeck, Germany
Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.