Heart valve showdown: which replacement works best?
NCT ID NCT06049654
First seen Nov 01, 2025 · Last updated May 22, 2026 · Updated 27 times
Summary
This study compares two types of replacement heart valves (Allegra and Sapien) in 104 people whose surgically implanted aortic valve has stopped working properly. The goal is to see which valve does a better job at improving blood flow through the heart. Participants will be randomly assigned to receive one of the two valves.
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the original study
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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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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
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Freeman Hospital
RECRUITINGNewcastle, United Kingdom
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Hospital Clinico San Carlos
RECRUITINGMadrid, 28040, Spain
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Hospital Clínico Universitario de Salamanca
RECRUITINGSalamanca, 37007, Spain
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Hospital Universitari I Politècnic de La Fe
RECRUITINGValencia, 46026, Spain
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Hospital Universitari de Bellvitge
RECRUITINGL'Hospitalet de Llobregat, 08907, Spain
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Hospital Universitario Puerta De Hierro
RECRUITINGMajadahonda, 28222, Spain
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Hospital Universitario de La Paz
RECRUITINGMadrid, 28046, Spain
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Manchester University NHS Foundation Trust
RECRUITINGManchester, United Kingdom
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Morriston Hospital, Swansea
RECRUITINGSwansea, United Kingdom
Conditions
Explore the condition pages connected to this study.