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Atrial fibrillation clinical trials near Ottawa

16 recruiting trials in the official registry · updated July 2026 · free · no account · no tracking · English & français

Searches within 160 km deliberately include sites across the US border — often a Canadian patient's nearest option.

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Exercise Training in Patients With Persistent or Permanent Atrial Fibrillation

Recruiting now2 sites

The main purpose of this project is to evaluate the effects of high-intensity interval training (HIIT) compared to moderate-intensity continuous exercise training (MICE) and standard care on exercise capacity and quality of life in patients…

COmparison of Bleeding Risk Between Rivaroxaban and Apixaban in Patients With Atrial Fibrillation

Recruiting nowPhase 48 sites

Atrial Fibrillation (AF) affects 200,000 Canadians and increases risk of stroke, morbidity and mortality. Having a stroke can affect a patient's ability to speak, eat, walk, work, care for themselves, and interact with others. Not only can …

Predicting Development of SCAF in Device Patients

Recruiting now1 site

Atrial fibrillation (AF) often starts with short episodes of rapid irregular heartbeats that are only detected by implanted pacemakers or defibrillators. Usually people don't know that they have these episodes. Over time, these episodes can…

QOL Improvement After Cardioversion of Persistent AF (QOL-CAFRCT)

Recruiting now2 sites

Atrial fibrillation (AF) is a type of irregular heart rhythm due to electrical signal disturbances of the heart. It is a very common arrhythmia and the risk of developing AF increases with age and with other risk factors such as diabetes, h…

Anticoagulation for Stroke Prevention In Patients With Recent Episodes of Atrial Fibrillation Occurring Transiently With Stress

Recruiting nowPhase 4105 sites

Multinational, investigator-initiated study of oral anticoagulation versus no anticoagulation for the prevention of stroke and other adverse cardiovascular events in patients with transient atrial fibrillation occurring transiently with str…

Left Atrial Imaging Prior to Cardioversion: Leveraging Computed Tomography to Rule Out Thrombus in The Emergency Department (LA CLOTTED)

Recruiting now3 sites

The goal of this randomized clinical trial is to learn whether patients with symptomatic atrial fibrillation or atrial flutter (AF) who require heart imaging to rule out a blood clot before cardioversion would benefit from cardiac computed …

Perioperative Anticoagulant Use for Surgery Evaluation -Virtual Visit (PAUSE-Virtual)

Recruiting now10 sites

The purpose of the PAUSE-Virtual Study is to show that by changing pre-surgery visits with patients taking a blood thinner (direct oral anticoagulant (apixaban, dabigatran, edoxaban, rivaroxaban or warfarin) when the participant requires el…

MAX - SHOCK Clinical Trial

Recruiting now1 site

Can Electrical Cardioversion (ECV) for AF be improved. It is the preferred method to restore sinus rhythm in patients with AF in whom a rhythm-control strategy is pursued. Hypothesis: ECV success rates will be greater with a biphasic defi…

Anticoagulation for New-Onset Post-Operative Atrial Fibrillation After CABG

Recruiting nowPhase 3106 sites

The primary objective of this study is to evaluate the effectiveness (prevention of thromboembolic events) and safety (major bleeding) of adding oral anticoagulation (OAC) to background antiplatelet therapy in patients who develop new-onset…

Perioperative Anticoagulant Use for Surgery Evaluation -2 (PAUSE-2) Study Patients Receiving a Direct Oral Anticoagulant (DOACs-Dabigatran, Rivaroxaban, Apixaban or Edoxaban) and Needing Elective High-Bleed-Risk Surgery or an Invasive Procedure

Recruiting now14 sites

PAUSE 2 study is a prospective, open-label, blinded-endpoint non-inferiority RCT of PAUSE vs. ASRA management in DOAC treated high risk patients with AF/VTE who need elective high bleed risk surgery/procedure and/or any procedure involving …

See all 16 atrial fibrillation trials →

Common questions

How do I find a atrial fibrillation clinical trial near me in Canada?

Use Beacon's free search: enter "atrial fibrillation", your age, and your location, and you'll see recruiting trials sorted by distance, each explained in plain language — including sites just across the US border. Beacon searches the full official registry and never requires an account.

Does joining a clinical trial cost money?

The study treatment and study-related tests are usually provided at no cost, and some trials help with travel. In Canada, your provincial health coverage continues to apply to your routine care — always confirm details with the study team.

Can I leave a clinical trial after joining?

Yes. Participation is always voluntary, and you can leave a trial at any time, for any reason, without losing your normal medical care.

Do I qualify for these trials?

Every trial has its own eligibility criteria. Beacon translates each trial's criteria into a plain-language checklist you can review and bring to your doctor — only the study team can confirm whether you qualify.

Page updated July 2026.

Beacon is an information tool, not medical advice. Whether a trial is right for you is a decision for you, your doctor, and the study team. Trial details come from the official registry, ClinicalTrials.gov, and may change — always confirm with the study team. Beacon collects no data about you: this page has no cookies, no accounts, and no tracking.