New heart valve study aims to improve life for patients with narrowed aortic valve
NCT ID NCT06507579
First seen Jun 27, 2026 · Last updated Aug 19, 2026 · Updated 2 times
Summary
This study is testing a new heart valve called Hydra for people with severe aortic stenosis, a condition where the heart's main valve becomes narrow. About 250 participants will get the valve through a tube in an artery, and researchers will check how safe and effective it is for up to a year. They will also use a special heart monitor after patients go home to catch any hidden heart rhythm problems.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Participants
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About 250 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jul 2024
- Expected to finish
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Aug 2027
An estimate. End dates often move.
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
Patient with severe aortic valve stenosis
- Ages
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18 to 99 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: 1. Patients with severe aortic stenosis eligible for transfemoral TAVI procedure as per local Heart Team evaluation 2. Full understanding and willing to provide informed consent to study enrolment 3. Age ≥ 18 years Exclusion Criteria: 1. Contraindications to TAVI (e.g., anatomically phenotypes, intracardiac mass, thrombus, vegetation, endocarditis) 2. Refusal to provide informed consent to study enrolment 3. Patients with severe aorta or peripheral artery disease precluding transfemoral approach of TAVI 4. Patients with significant calcification of the aortic annulus and in the Left Ventricular Outflow Tract (LVOT), or/and excess calcium within each cusp, or those who are deemed unsuitable for the Hydra THV series based on the clinical judgment of the Investigator.
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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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
4 sites. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Castle Hill Hull
RECRUITINGCottingham, HU16 5JQ, United Kingdom
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Northern General Hospital, Sheffield Teaching Hospitals NHS Foundation Trust
RECRUITINGSheffield, Yorkshire, S5 7AU, United Kingdom
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Royal Papworth
NOT_YET_RECRUITINGCambridge, CB2 0AY, United Kingdom
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Royal Victoria Hospital
NOT_YET_RECRUITINGBelfast, BT12 6BA, United Kingdom
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Can aggressive blood pressure treatment slow aortic valve disease?
- Why do animal heart valves wear out? immune system under investigation
- One scan to rule them all? new CT aims to replace multiple heart tests
- Which heart valve design wins for small aortic openings?
- Can a less invasive valve replacement tame a failing aortic valve?
- Can a new heart valve match the safety of proven ones?