One procedure to replace lifelong blood thinners? new trial tests dual heart fix for stroke survivors
NCT ID NCT06212674
First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tests whether a single procedure that combines two heart treatments—pulmonary vein isolation (to correct irregular heartbeat) and left atrial appendage occlusion (to block a clot-prone area)—can prevent future strokes and major bleeding better than standard blood thinners. The trial enrolls 240 adults who recently had a stroke and have atrial fibrillation. Participants are randomly assigned to the combined procedure, the occlusion procedure alone, or continued medication. The goal is to see if the combined approach is at least as effective as medication, with fewer bleeding risks.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Procedure: pulmonary vein isolation (PVI) plus left atrial appendage occluder (LAAO) implantation
- What this could lead to
- If successful, this combined procedure could offer a one-time treatment to reduce stroke risk and bleeding complications compared to lifelong blood thinners.
- What could go wrong
- This is a Phase 4 trial with 240 participants, so results are preliminary. The procedure carries risks like bleeding, infection, or device complications, and may not be superior to standard medication.
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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Phase 4
Runs after approval, following long-term safety and how well the treatment works in everyday use.
- Participants
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About 240 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Oct 2025
- Expected to finish
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Oct 2030
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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18 to 75 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. Ischemic stroke within 2-12 weeks after randomization with or without reperfusion therapy, confirmed by imaging studies (CT or MRI) that led to mild to moderate psychomotor dysfunction (mRS 0-3; NIHSS \<16 points) and was treated with early neurological rehabilitation or was exempt from neurological rehabilitation on account of excellent psychomotor function. An obligatory criterion is persistence of symptoms for \>24 h. 2. Diagnosis of paroxysmal or persistent atrial fibrillation on the basis of 12-lead ECG recording, ECG Holter monitoring, event-recorder or loop recorder at any time, but before the screening visit. 3. CHA2DS2-VA risk score ≥2 points 4. Left atrial anatomy (atrial septum, pulmonary vein orifices and left atrial appendage) suitable for intervention (PVI + LAAO or LAAO) 5. ≥ 4 weeks of adequate anticoagulant treatment in the preceding period 6. no anatomical or functional contraindications and patient consent for transesophageal echocardiography (TEE) Based on the aforementioned inclusion criteria, patients who can be classified into 3. groups will be enrolled in the study: 1. patients with atrial fibrillation who have been adequately treated with anticoagulation (VKA/NOAC) and have had an ischemic stroke 2. patients without prior history of atrial fibrillation and without anticoagulation who have an ischemic stroke and the atrial fibrillation is clinically overt (de novo) 3. patients without a prior history of atrial fibrillation, with an initial diagnosis of so-called cryptogenic stroke, in whom further initial ECG monitoring allowed for the detection of clinically silent atrial fibrillation Exclusion Criteria: * current participation in another clinical trial * lack of informed written consent to participate in the study * age \<18 or \>80 years * indication for chronic anticoagulant treatment independent of AF: 1. history of mechanical valve implantation 2. history of mitral biological valve implantation within 3 months prior to randomization 3. history of deep vein thrombosis or pulmonary embolism within preceding 6 months or indication for chronic anticoagulation 4. genetically or immunologically confirmed thrombophilia * contraindications to NOAC treatment: 1. eGFR ≤15 ml/min/1.73 m2 2. mechanical valve prosthesis 3. moderate or severe mitral valve stenosis of rheumatic etiology 4. life-threatening bleeding during NOAC therapy * Ischemic stroke of etiology other than AF, including cryptogenic stroke without evidence of AF etiology * valvular AF: presence of moderate to severe aortic stenosis of rheumatic etiology * permanent AF * persistent long-standing AF (\>1 year) * presence of a thrombus in the left atrial appendage on TEE examination * significant psychomotor dysfunction defined as a modified Rankin Scale (mRS) score of 4-6 or NIHSS score ≥16 * major bleeding as defined by ISTH within 14 days prior to randomization or intracranial bleeding ever * active hyperthyroidism * history of myocardial infarction with or without intervention within 90 days prior to randomization * history of PVI or LAAO implantation * history of surgical closure of left atrial appendage * history of percutaneous or surgical ASD/PFO closure * acute or chronic pericarditis * cardiac tamponade * lack of vascular access for PVI and LAAO implantation * chronic heart failure in NYHA functional class IV * left ventricular ejection fraction (LVEF) \<30% * chronic kidney disease stage IV-V (eGFR \<30 ml/min/1.73 m2) * Child-Pugh class B or C chronic liver failure * severe valvular heart defect * body mass index (BMI, body mass index) ≥40 kg/m2 * woman in her childbearing years planning a pregnancy * pregnancy or lactation period * documented life expectancy \< 4 years * active cancer \< 5 years after remission * active infection, defined as CRP \>30 mg/dL with symptoms of respiratory, urinary or gastrointestinal tract infection
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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
2 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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Silesian Center for Heart Disease
RECRUITINGZabrze, Upper Silesia, 41-800, Poland
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Upper-Silesian Medical Center
RECRUITINGKatowice, Upper Silesia, 40-635, Poland
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Can a checklist and heart monitor stop repeat strokes?
- 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