New heart implant aims to prevent strokes without blood thinners
NCT ID NCT06465459
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study is testing a device called LambrE that is implanted in the heart to close off a small pouch (the left atrial appendage) where blood clots often form in people with atrial fibrillation. The goal is to prevent strokes in patients who cannot take blood thinners due to bleeding risks. The study will follow 220 participants to see how well the device works and how safe it is.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- LAMBRE device (a small implant placed in the heart to close off the left atrial appendage)
- What this could lead to
- If successful, this device could offer a safe alternative to blood thinners for preventing strokes in people with atrial fibrillation who cannot take anticoagulant medication.
- What could go wrong
- This is a post-marketing study, not a randomized trial, so results may not prove superiority over other treatments. There is a risk of device migration or other complications, and the study is relatively small (220 participants).
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 220 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jun 2024
- Expected to finish
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Dec 2027
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.
Who is studied
Patients will be included in cardiology departments participating in the study. Non-valvular atrial fibrillation patients at high cardio-embolic risk, contraindicated to anticoagulants, scheduled for percutaneous left atrial closure with implantation of the Lambre device will be included in the protocol and monitored as part of their care by the centers that performed the procedure.
- Ages
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18 years and older
- 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: * Patient requiring a left atrial exclusion procedure according to the recommendations by the CNEDiMTS and HAS using the LAMBRE device * Age ≥18 years * Patient has been informed of the nature of the study and agrees to participate Exclusion Criteria: * Minor patient * Patient refusing to participate in the study or unable to give informed consent (patient under guardianship, curatorship or safeguard of justice)
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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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Hôpital Cardiologique de Haut Lévêque
RECRUITINGPessac, 33600, France
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Heart hole or stroke trigger? global registry tracks who gets closure and what happens next
- Two ways to quiet a racing heart: trial pits hybrid ablation against standard catheter treatment
- Stroke's hidden heart rhythm clue under investigation
- Suture device may get heart patients walking sooner after leg vein procedures
- Two ways to catch a hidden heart rhythm after stroke
- Can an implanted heart monitor catch hidden irregular heartbeats after stroke?