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Atrial Fibrillation (AF): early-phase trial registry
12 of 18 indexed Atrial Fibrillation (AF) trials are currently recruiting, with more weight in Phase 1-2.
Corpus placement: #953 of 28,707 conditions by registered trial count.
18 US clinical trials · 12 currently recruiting · #953 of 28,707 conditions by registered trial count
Atrial Fibrillation (AF): 18 US clinical trials tracked, 12 recruiting.
Atrial Fibrillation (AF) is the subject of 18 registered US clinical trials on ClinicalTrials.gov, 12 of them currently open to new participants. 1 are in Phase 3-4 (later-stage) and 2 in Phase 1-2 (earlier-stage). The most active sponsor is University of California, San Francisco, running 3 of these trials.
Enrollment posture brief
Registry condition atrial-fibrillation-af
OPEN 12 | RECR 67% | LATE 1 | EARLY 2 | RANK #953 | SPON 3
Volume-matched condition peers
Nearest open-share peer: Acute Hypoxemic Respiratory Failure (67% recruiting · 6 trials)
Atrial Fibrillation (AF) lists 12 open slots (67% of 18 indexed trials). Peers are matched on registered volume, not therapeutic-area browse lists. How peer matching works →
Key findings
What ClinicalTrials.gov does not surface for Atrial Fibrillation (AF) on its own pages , computed from the registry mirror as of 2026-08-08. Each line carries its own denominator so it can be quoted as it stands.
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Atrial Fibrillation (AF) is recruiting above its size-band peers.
12 of 18 indexed trials (66.7%) are open to enrollment, against a 46.5% average across 27,806 conditions with fewer than 20 trials. The peer set uses the same ClinicalTrials.gov-derived counts as this page.
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One sponsor concentrates Atrial Fibrillation (AF) research.
University of California, San Francisco accounts for 3 of 18 trials (16.7%). 13 distinct sponsors appear on at least one study for this condition label.
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Typical Atrial Fibrillation (AF) enrolment sits around 458 participants.
Median target enrolment is 458 among the 18 trials that report a genuine target (sentinel values excluded). 0 of those (0%) plan for fewer than 100 participants.
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Atrial Fibrillation (AF) research is mostly interventional.
13 interventional and 5 observational studies make up this index (72.2% interventional). Study type is sponsor-reported on ClinicalTrials.gov.
Open and recent trials
18 total, page 1 of 1
Study to evaLuate the effIcacy and Safety of abeLacimab in High-risk Patients With Atrial Fibrillation Who Have Been Deemed Unsuitable for Oral antiCoagulation (LILAC-TIMI 76)
Anthos Therapeutics
NCT05712200
Perioperative Anticoagulant Use for Surgery Evaluation -Virtual Visit (PAUSE-Virtual)
McMaster University
NCT06844227
Safety in Adult Participants With Atrial Fibrillation Who Are Treated With Anticoagulation
Regeneron Pharmaceuticals
NCT07175428
Digitally Rendered Interventions And Knowledge To Limit Ethanol-Associated Atrial Fibrillation Severity
University of California, San Francisco
NCT06995391
Cardiovascular Innovation & Research Institute 's NEXUS Registry, the Whole is Greater Than the Parts.
Cardiovascular Innovation and Research Institute
NCT03428048
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
McMaster University
NCT06957366
A Global Study Comparing Pulsed Field Ablation With Electrographic Flow Mapping Versus Posterior Wall Ablation for Persistent Atrial Fibrillation
Boston Scientific Corporation
NCT07187115
Artificial Intelligence Mapping and Ablation of Non-Pulmonary Vein Electrical Drivers of AF Study
Vektor Medical
NCT06935591
Coherent Sine Burst Electroporation (CSE) Ablation System US IDE Study for Patients With Atrial Fibrillation
Arga Medtech
NCT06784466
Incidence of Long-TeRm Atrial Fibrillation After Acute Illness
University of California, San Diego
NCT07434674
Disrupted Sleep and Concurrent Ectopy or Atrial Fibrillation
University of California, San Francisco
NCT07220525
Full-Avoidance vs. Permissive/Regulated Drinking & Outcomes On Fibrillation
University of California, San Francisco
NCT06754176
Safety and Tolerability of Abelacimab (MAA868) vs. Rivaroxaban in Patients With Atrial Fibrillation
Anthos Therapeutics
NCT04755283
Abbott Medical - VERITAS Study
Abbott Medical Devices
NCT06707688
Phase-Aligned Atrial Fibrillation Mapping
Larisa Tereshchenko, MD, PhD
NCT06892561
Detection and Classification of Cardiac Rhythm and Atrial Fibrillation Using a Finger-worn Ring
Everbeat
NCT06892938
A Study of the TactiFlex SE Catheter and Volt PFA Generator in Subjects With PAF:
Abbott Medical Devices
NCT06676072
AtriCure CryoICE Lesions for Persistent and Long-standing Persistent Atrial Fibrillation Treatment
AtriCure
NCT03732794
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 2 | 2 |
| Phase 3 | 1 |
Top Sponsors
Named interventions
Most-linked intervention names on Atrial Fibrillation (AF) records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Atrial Fibrillation (AF) trials. A trial with sites in several states counts in each.
Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.
Related
What to do with this Atrial Fibrillation (AF) page
18 registered trials, 12 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 12 Atrial Fibrillation (AF) trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- University of California, San Francisco sponsors the most Atrial Fibrillation (AF) trials on record, review their full trial history before evaluating a specific study. See University of California, San Francisco's trials
- Bring the specific trial ID (NCT number) to your own doctor before enrolling, this page is a directory, not medical guidance. Read the trial-finding guide
Trial and recruiting counts reflect ClinicalTrials.gov registry status as of the data vintage above; individual trial eligibility and enrollment status can change.
Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. This Atrial Fibrillation (AF) condition card totals 18 registered trials; most-linked intervention Abelacimab; top US site state California. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.