New heart valve implant could offer hope for leaky aortic valve patients
NCT ID NCT04864145
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study compares a new, less invasive heart valve implant (TAVR) with standard medication for people who have severe aortic regurgitation, a condition where the heart's aortic valve doesn't close properly. The trial will enroll 210 participants across multiple centers. The goal is to see if the implant reduces the risk of death, disabling stroke, or heart failure hospitalization compared to medication alone.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Transcatheter Aortic Valve Implantation (TAVR) device (VitaFlow system)
- What this could lead to
- If successful, this could provide a less invasive treatment option for people with severe aortic regurgitation who are not candidates for open-heart surgery.
- What could go wrong
- This is a relatively early study with 210 participants, so results may not apply to everyone. The procedure carries risks like bleeding, need for a permanent pacemaker, or other complications.
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.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 210 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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May 2021
- Expected to finish
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May 2031
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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60 to 90 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. Procedural indications: symptomatic severe aortic regurgitation; no symptom plus left ventricular ejection fraction ≤ 55% or left ventricular end-diastolic dimension (LVEDD) \> 65mm or left ventricular end-systolic dimension (LVESD) \> 50mm; 2. Severe aortic valve regurgitation, and mean pressure gradient \< 20mmHg; Annular perimeter ≤ 85 mm; 3. The ratio of the perimeter of the left ventricular outflow tract 4mm to the perimeter of the valve annulus is 0.95-1.05; 4. STS score ≥8 or moderate to severe frailty or refused surgical valve replacement or presence of any of the following factors judged to be difficult to perform the surgical valve replacement: 1. Severe aorta calcification or active ascending aorta atherosclerotic plaque 2. History of mediastinum radiotherapy 3. Past mediastinitis 4. Presence of unobstructed coronary bypass implants 5. Previous more than two cardiothoracic surgeries 6. Liver cirrhosis 7. Other surgical risk factors Exclusion Criteria: 1. Age \< 60 years old; 2. Ascending aorta diameter \>45mm; 3. Coronary multi-vessel disease (SYNTAX score \>32); 4. Life expectancy \<1 year; 5. Left ventricular ejection fraction \<30%; 6. Acute myocardial infarction within 30 days; 7. Allergies or contraindications to related drugs (aspirin, clopidogrel, warfarin, or contrast agents); 8. Other situations judged by the researcher as unsuitable for participating in the study.
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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
1 site. 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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Nanjing First Hospital
RECRUITINGNanjing, Jiangsu, 210006, China
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Heart valve implants tested for leaky aortic valves
- Can a less invasive valve replacement tame a failing aortic valve?
- Can a fitness app boost recovery after heart valve replacement?
- Can a Patient's other health problems predict how well a new aortic valve performs?
- Blood test could predict clot risk after heart valve surgery
- Could a lower warfarin dose make aortic valve replacement safer?