Clinical trials
Syncope clinical trials
Below are recruiting syncope clinical trials, each written for real people, not researchers. We’re tracking 37 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT05896592Recruiting
Ablation versus changing pacing settings for slow heartbeats
This study compares a procedure called cardioneuroablation with staying on permanent pacing in people who have symptoms from a slow heart rate. It aims to see which approach works better and is safer for reducing symptoms related to sinus node or heart conduction problems.
Radom, Masovian VoivodeshipAges 18–65 - NCT06288633Recruiting
Heart nerve ablation for slow heart rhythm
This test uses a procedure to ablate (destroy) specific nerves in the heart that may be causing your heart to beat too slowly. The goal is to help your heart speed up naturally when needed, so you may avoid needing a permanent pacemaker.
Saint PetersburgAges 18–65 - NCT06331819Recruiting
Sleep apnea, facial pigmentation, and fainting study
This study looks at whether sleep apnea, facial pigmentation, and fainting symptoms are connected. It aims to help understand these conditions better.
AmmanAges 18 years+ - NCT06336031Recruiting
Blood fear and fainting study
This study looks at how a fear of blood or needles affects fainting. You will be asked to watch or experience something related to blood or needles while your body's responses are measured.
Burnaby, British ColumbiaAges 18–50 - NCT06458140Recruiting
Cardioneuroablation for severe fainting with heart pauses
This trial tests a procedure called cardioneuroablation to treat severe fainting (reflex syncope) that hasn't been helped by other treatments. The goal is to see if it reduces fainting without causing dangerous heart rhythm problems.
WarsawAges 14 years+ - NCT06472102Recruiting
Heart nerve ablation for severe fainting
This study tests a procedure called cardioneuroablation, which uses targeted heat (radiofrequency) to calm overactive nerves that cause your heart to beat too slowly and make you faint. The goal is to stop severe fainting spells in people with reflex syncope who haven't gotten better with other treatments.
Warsaw, Masovian VoivodeshipAges 14 years+ - NCT06699056Recruiting
AI heart monitor study for ejection fraction
This study uses an AI-powered wearable monitor to check how well your heart pumps blood (ejection fraction) from a simple EKG recording. It may help doctors quickly assess heart function without extra tests.
Orange, CaliforniaAges 18 years+ - NCT06854484Recruiting
AVEIR leadless pacemaker UK registry study
This study is an observational registry for people who have or will receive an AVEIR leadless pacemaker. It collects information to help doctors understand how the device performs over time.
London, UKAges 18 years+ - NCT07374263Recruiting
Do heart rhythm drugs pose risks in hospital?
This study looks at whether certain medications that can affect heart rhythm (QT-prolonging drugs) are linked to serious heart problems in adults who were hospitalized. It includes patients admitted to St. Joseph's Healthcare Hamilton or other GEMINI hospitals between 2017 and 2025.
Hamilton, OntarioAges 18 years+ - NCT02448485Recruiting
Measuring Troponin T blood levels in aortic valve narrowing
This study looks at a blood test called high-sensitivity troponin T in people with aortic stenosis (a narrowed heart valve). The results may help doctors understand heart strain or risk in this condition.
Innsbruck, TyrolAges Any age - NCT02824822Recruiting
Genetic test study for heart rhythm risk in people with seizures
This study checks whether genetic markers are linked to heart rhythm problems in people with epilepsy or seizure-related events, and in some close relatives. It may help doctors better spot who is at risk for dangerous heart rhythm issues.
Rochester, MinnesotaAges 18–50 - NCT07671898Recruiting
Freezing vs. Radiofrequency for Slow Heart Rate
This trial compares two procedures to treat very slow heart rates without needing a pacemaker. One uses freezing (cryoablation) and the other uses radiofrequency energy to target nerves that control heart rate.
Tomsk, Tomsk OblastAges 18–60 - NCT03360227Recruiting
Registry after heart device implantation planning
This is a registry study that records information from people before they get a heart-related device implanted. It may help doctors understand how the team’s tests and planning relate to the procedure and outcomes later on.
DüsseldorfAges 18–80
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Common questions
- Are there clinical trials for syncope?
- Yes. Clin2 currently lists 37 recruiting syncope 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 syncope 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 syncope 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.