Clinical trials
Atrial fibrillation clinical trials
An irregular, often rapid heart rhythm that can raise the risk of stroke. We’re tracking 549 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06556732RecruitingPhase 1
Eplerenone for preventing atrial fibrillation return
This trial is testing whether a medication called eplerenone can help prevent atrial fibrillation (AF) from coming back in people who have structural heart disease and have already had their heart rhythm restored to normal. It may be a good option if you are looking for a way to keep your heart in a normal rhythm.
AsyutAges 20–70 - NCT06798714RecruitingPhase 4
Colchicine to prevent irregular heartbeat after heart surgery
This trial tests whether the drug colchicine can reduce the chance of developing atrial fibrillation (an irregular heart rhythm) after open-heart surgery. If it works, it could help you recover more smoothly.
TomskAges 18 years+ - NCT06958029Recruiting
Heart rhythm after heart surgery study
This study looks at how often a fast, irregular heartbeat (atrial fibrillation) happens after heart valve or bypass surgery. Knowing this could help doctors take better care of patients after these procedures.
Khon KaenAges 18 years+ - NCT07018596Recruiting
New pulsed field ablation for paroxysmal atrial fibrillation
This trial tests a new type of heart procedure that uses gentle electrical pulses to fix abnormal signals in the upper chambers of the heart for people with a specific type of atrial fibrillation that comes and goes on its own. It may be an option if your AFib episodes stop within 7 days and medications haven't helped enough.
Prague, RoentgenovaAges 18–85 - NCT07058831Recruiting
Home monitoring for hidden atrial fibrillation in older adults with high blood pressure
This study tests if home monitoring can detect hidden atrial fibrillation in older adults with high blood pressure and certain risk factors. It aims to catch this irregular heartbeat early so treatment can prevent strokes and other complications.
Rosario, Santa Fe ProvinceAges 65 years+ - NCT07430007Recruiting
Exercise and diet to reduce AFib burden
This study tests whether a program of exercise and healthy eating changes can reduce how often atrial fibrillation (AFib) happens and help you lose weight. It may be a good fit if you are overweight, have AFib, and are ready to make lifestyle changes.
Jyväskylä, Central FinlandAges 18–75 - NCT07430956RecruitingPhase 3
Stroke prevention in atrial fibrillation without standard blood thinners
This trial tests a new medication to prevent strokes and blood clots in people with atrial fibrillation (an irregular heartbeat) who cannot safely take standard blood thinners. The drug works by blocking a different clotting factor, which may lower bleeding risks.
Dothan, AlabamaAges 18 years+ - NCT06452823Enrolling by invitation
Catheter ablation for atrial fibrillation with stable thyroid
This trial tests whether doing a heart procedure (catheter ablation) is safe and works well for people with atrial fibrillation whose thyroid hormone levels are stable. It aims to help people with both conditions get the best treatment.
Jiaxing, ZhejiangAges 45–75 - NCT05029115Enrolling by invitation
SGLT2 pill study for atrial fibrillation with type 2 diabetes
This trial tests whether an SGLT2 inhibitor pill can help people who have atrial fibrillation (an irregular heartbeat) and type 2 diabetes. You may be eligible if you’re in the right age range, on diabetes pills only, and meet specific heart and lab criteria.
Yangcheon, SeoulAges 20–80 - NCT03409159Recruiting
Left atrial appendage closure registry in Austria
This study keeps records of people who already had a procedure to close a part of the heart called the left atrial appendage in Austria. It helps doctors understand outcomes and safety for patients after the procedure.
GrazAges 18 years+ - NCT07316270Recruiting
Catheter ablation for atrial fibrillation after brain bleeding
This trial studies a procedure called catheter ablation to treat atrial fibrillation (an irregular heartbeat) in people who have had a brain hemorrhage. The procedure aims to reduce stroke risk and improve heart rhythm without increasing bleeding risk.
Hefei, AnhuiAges 18 years+ - NCT07492498Recruiting
Atrial fibrillation care program to prevent heart failure in rural China
This trial tests a new way of caring for older adults with atrial fibrillation (irregular heartbeat) in rural villages to help prevent heart failure. Trained village doctors will use telemedicine (remote healthcare) to manage your condition.
Yancheng, DongtaiAges 65–80 - NCT02558699Recruiting
Virtual mapping guided catheter ablation for atrial fibrillation
This trial tests whether a “virtual” computer map created from your heart scans can help doctors do catheter ablation to treat atrial fibrillation (AF). It aims to improve the procedure for people whose AF symptoms were not controlled well with anti-arrhythmia medicines.
SeoulAges 19–80 - NCT07444372Recruiting
CPAP for Sleep Apnea After Atrial Fibrillation Ablation
This trial tests whether starting CPAP therapy (a breathing mask used during sleep) after a heart procedure called atrial fibrillation ablation can help people with both sleep apnea and atrial fibrillation. It might lower the chance of the heart rhythm problem coming back.
Beijing, Beijing MunicipalityAges 18–75 - NCT07518966Recruiting
Heart Rhythm Treatment Success Tracking Study
This study follows patients getting a newer heart rhythm treatment called pulsed field ablation for atrial fibrillation (an irregular heartbeat). Researchers want to understand which patients do well long-term and which may need additional treatment.
Chengdu, SichuanAges 18 years+ - NCT07242326Enrolling by invitation
Blood Thinner Dose Check for Older Adults With AFib
This study looks at whether older adults with atrial fibrillation are taking the right dose of their blood thinner medicine. It aims to improve how doctors prescribe these medications in primary care.
Ordu, OrduAges 65 years+ - NCT07077811Enrolling by invitation
Pulsed field ablation for heart failure with preserved pumping strength
This trial tests a new procedure called pulsed field ablation for people who have both persistent atrial fibrillation and a type of heart failure (HFpEF). It aims to see if this ablation safely helps control the heart rhythm.
Nantong, JiangsuAges 18–80 - NCT05341986Enrolling by invitation
ED tool to help prevent stroke in atrial fibrillation
This study tests an electronic decision-support tool used in the emergency department (ED) to help clinicians choose the safest way to prevent stroke when atrial fibrillation is newly found. It may help by improving how quickly and consistently stroke-prevention treatment is considered.
Portland, OregonAges 18 years+ - NCT06847932Recruiting
AI ECG to detect early atrial fibrillation
This trial uses an artificial intelligence system to analyze your electrocardiogram (ECG) results and alert your care team if you might be developing atrial fibrillation. It aims to catch this common heart rhythm problem early, so you can get treatment sooner.
TaipeiAges 1 month–3 months - NCT05829317RecruitingPhase 4
Magnesium to prevent new atrial fibrillation in ICU patients
This trial tests whether giving magnesium can lower the chance of developing new irregular heartbeat (atrial fibrillation) in critically ill adults in the ICU. If you are at risk but do not already have this rhythm issue, magnesium may help prevent it.
Hamilton, OntarioAges 18 years+ - NCT07527299Recruiting
Varipulse catheter study for persistent atrial fibrillation
This study tests a new catheter to treat persistent atrial fibrillation (a type of irregular heartbeat lasting more than 7 days but less than a year). It aims to isolate the pulmonary veins and superior vena cava to restore normal rhythm. Some participants may also receive a left atrial appendage occlusion device if needed.
Birmingham, AlabamaAges 18–80 - NCT05955365RecruitingPhase 4
Single anticoagulant blood thinner after stent in atrial fibrillation
This trial tests whether taking a single “P2Y12 inhibitor” blood thinner (instead of multiple medicines) is safe and effective after you get a coronary stent. It’s for people with atrial fibrillation who need long-term blood thinning and have recently had a successful stent procedure.
HasseltAges 18 years+ - NCT06125925Recruiting
Ablation for AFib in patients with heart failure and preserved ejection fraction
This study tests whether a catheter ablation procedure can help people with atrial fibrillation and a kind of heart failure where the heart pumps normally but doesn't relax properly (HFpEF). It looks at whether the procedure can improve symptoms and heart function.
NanjingAges 18–80 - NCT06768528Recruiting
Galectin-3 and atrial fibrillation after heart bypass
This trial checks if a protein called galectin-3 can help predict who will develop an irregular heartbeat (atrial fibrillation) after coronary artery bypass surgery. It aims to find ways to better monitor and treat heart patients after surgery.
São Paulo, São PauloAges 18 years+
Hear when a new Atrial fibrillation trial opens
We’ll email you when one opens — at most once a week, no account needed, unsubscribe anytime.
Common questions
- Are there clinical trials for atrial fibrillation?
- Yes. Clin2 currently lists 549 recruiting atrial fibrillation studies from the U.S. registry, each rewritten for real people, not researchers, so you can see what it’s testing and who it’s for.
- How do I know if I qualify for a atrial fibrillation trial?
- Each study lists its eligibility criteria — rules about age, diagnosis, and prior treatments. On every Clin2 trial page we explain these in words written for real people and offer a short, optional pre-screen for a fit read. The study team makes the final decision.
- Does it cost anything to join a atrial fibrillation trial?
- Using Clin2 is always free. Many trials cover the cost of the study treatment and related visits; some reimburse travel. The study team explains exactly what’s covered before you decide.
Related conditions
Clin2 helps you find and understand clinical trials and does not provide medical advice. Study data comes from ClinicalTrials.gov. Talk with your doctor about whether a specific trial is right for you.