Condition

Syncope clinical trials and research

• 19Clinical trials
• 1NIH research projects
• 1New in 30 days
• 17Countries

Newest Syncope clinical trials

All recruiting trials (19)

• Whole-body bedside ultrasound in older adults after a fall

  This study tests whether doing a full-body ultrasound at the bedside changes how doctors manage older adults (65+) who come to the emergency department after a fall.

  Recruiting Kocaeli City Hospital · İzmit, Kocaeli · NCT07886164

• Do medicines that lengthen the heart's QT interval cause serious heart problems in hospitalized adults?

  This project will test whether commonly used hospital medicines that can prolong the heart's QT interval lead to serious cardiac events in adults admitted to Ontario hospitals.

  Recruiting at 2 sites St. Joseph's Healthcare Hamilton · Hamilton, Ontario and 1 other locations · NCT07374263

• AVEIR leadless pacemaker registry in the United Kingdom

  This project will follow people in the UK who receive an AVEIR leadless pacemaker to see how well the device works and how safe it is over five years.

  Recruiting Royal Brompton & Harefield NHS Foundation Trust · London, UK and 1 other locations · NCT06854484

• AI-based assessment of heart function using ECG wearable monitors

  This study tests if a new AI tool using a wearable heart monitor can accurately check heart function in people with heart failure compared to traditional heart scans.

  Recruiting at 8 sites Peerbridge Health, Inc · Orange, California and 7 other locations · NCT06699056

• 24-hour observation for patients with fainting episodes

  This study is testing if keeping patients with fainting episodes under observation for 24 hours can help doctors decide when it's safe for them to go home instead of sending them home right away.

  Recruiting Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA) · Amsterdam · NCT06472375

• Evaluating the timing of syncope and asystole during tilt table testing

  This study is testing if the timing of fainting during a tilt table test can help predict how well a pacemaker will work for people with reflex syncope.

  Recruiting Azienda Ospedaliera di Bolzano · Bolzano · NCT06356207

• Cardioneuroablation for treating bradycardia

  This study is testing a new procedure called cardioneuroablation to see if it can help people with slow heart rates feel better without needing a permanent pacemaker.

  Recruiting Federal State Budgetary Institution, V. A. Almazov Federal North-West Medical Research Centre, of the Ministry of Health · Saint Petersburg · NCT06288633

• Comparing cardioneuroablation and permanent pacing for treating bradycardia symptoms.

  This study is testing if a new treatment called cardioneuroablation can help people with slow heart rates feel better and possibly stop using their pacemakers.

  Recruiting at 2 sites 4th Military Clinical Hospital with Polyclinic, Poland · Radom, Masovian Voivodeship and 1 other locations · NCT05896592

• Comparing tilt tests and ECG recordings for diagnosing unexplained fainting in older adults

  This study is testing whether doing a tilt test first helps doctors diagnose the cause of fainting better and faster in older adults compared to using a heart monitor first.

  Recruiting University of Calgary · Calgary, Alberta · NCT05776810

• Using Ondansetron to Prevent Fainting Episodes

  This study is testing if the medication ondansetron can help adults who frequently faint feel better and prevent future fainting spells.

  Recruiting Phase 2 University of Calgary · Calgary, Alberta · NCT05755737

• Assessing a comprehensive approach to managing fainting and falls

  This study is testing a new way to help people aged 40 and older who faint or fall for no clear reason to see if it can improve their diagnosis and reduce hospital visits.

  Recruiting Istituto Auxologico Italiano · Milan, MI · NCT05752682

• Investigating how carbonated water affects blood pressure when standing

  This study is testing if drinking carbonated water can help healthy people maintain their blood pressure better when standing up.

  Recruiting Simon Fraser University · Burnaby, British Columbia · NCT05621460

• Remote cardiac monitoring for patients at risk of fainting after emergency department discharge

  This study is testing if a special heart monitor can help find serious heart problems in adults who faint and are at risk after leaving the emergency room.

  Recruiting Ottawa Hospital Research Institute · Ottawa, Ontario · NCT05066347

• Implementing a risk score for patients with syncope in emergency departments

  This study is testing a new scoring system in emergency departments to help doctors make better decisions for patients who faint, aiming to reduce unnecessary hospital stays.

  Recruiting at 15 sites Ottawa Hospital Research Institute · Calgary, Alberta and 14 other locations · NCT04972071

• Right-sided ablation to prevent fainting episodes

  This study is testing if a new procedure that targets a specific area in the heart can help people with neurally mediated syncope (fainting) have fewer fainting episodes compared to those who receive a placebo.

  Recruiting at 2 sites Imelda Hospital, Bonheiden · Bonheiden and 2 other locations · NCT04755101

• A large biobank for acute and emergency medicine

  This study is collecting health information and samples from patients with sudden illnesses in the Emergency Department to see if it can help improve treatments and predict how patients will do.

  Recruiting University Medical Center Groningen · Groningen · NCT04615065

• Observing patients with BIOTRONIK Implantable Cardiac Monitors

  This study looks at how well the BIOMONITOR III and similar heart monitors work and keep patients safe over time.

  Recruiting at 23 sites Biotronik SE & Co. KG · Adelaide and 30 other locations · NCT04075084

• Registry for implantable cardiac devices

  This study is tracking how well pacemakers and defibrillators work for people with heart rhythm problems to see if they can improve patient care and outcomes.

  Recruiting Heinrich-Heine University, Duesseldorf · Düsseldorf · NCT03360227

• Identifying genetic causes of heart issues in epilepsy patients

  This study is trying to find out if certain genetic factors can help explain why some young adults with epilepsy are at risk for sudden death.

  Recruiting Mayo Clinic · Rochester, Minnesota · NCT02824822

NIH-funded research (1)

Early-stage science funded by the US National Institutes of Health. Most of these projects don't enroll patients, but they show what is being worked on.

• Improving care for patients with fainting episodes in emergency departments

  This study is looking to improve how doctors decide whether patients who faint need to stay in the hospital for more tests or if they can safely go home, making sure everyone gets the right care when they visit the emergency room.

  NIH research Columbia University Health Sciences · New York, United States · NIH-10830271

Related topics

Quick answers

How many Syncope clinical trials are recruiting right now?

19, as of November 12, 2026. 1 of them was first registered in the last 30 days. We update this list each time we refresh our data from ClinicalTrials.gov.

Where are these trials running?

In 17 countries. The most sites are in Canada (6 trials), Italy (3 trials), Netherlands (2 trials), United States (2 trials), Germany (2 trials). Each study page lists its sites and which ones are recruiting.

What phases are they in?

Phase 2: 1. Trials with no phase listed are usually device, behavioural or observational studies.

How do I join one?

Open a study, check the "Is this trial a fit for you?" section, then contact the study team listed on the page. They will ask a few screening questions. Asking is free and does not commit you to anything. Talk it over with your doctor first.

Find the studies that fit you

A list is a starting point. Tell us your situation in your own words and we'll rank the studies that match and explain why. It's free and needs no account.

Describe your situation →