Last reviewed · How we verify
NCT04932798: GeneAF
Genetic Risk-Based Atrial Fibrillation Screening (GeneAF Study)
trial testing Resting ECG (if first visit is done on site only) in Genetic Predisposition in 726 participants. Status unknown.
10 January 2026
Quick facts
| Lead sponsor | Montreal Heart Institute |
|---|---|
| Status | Status unknown |
| Study type | OBSERVATIONAL |
| Enrollment | 726 |
| Start date | 1 June 2021 |
| Primary completion | 10 January 2026 |
| Estimated completion | 10 January 2026 |
| Sites | 1 location across Canada |
Drugs / interventions tested
- Resting ECG (if first visit is done on site only)
- 24-hour ambulatory electrocardiographic monitoring (Holter) (if first visit done on site only)
- 3-month AF detection monitoring using the Apple Watch
Conditions studied
- Genetic Predisposition — all drugs for Genetic Predisposition →
- Atrial Fibrillation — all drugs for Atrial Fibrillation →
Sponsor
Montreal Heart Institute
Who can join
18 and older, any sex, with Genetic Predisposition or Atrial Fibrillation. Patients with the condition only — healthy volunteers not accepted.
Sponsor's own description
AF is the most common sustained arrhythmia in adults and its prevalence increases with advancing age. In this study, we aim to determine whether the published genome-wide polygenic scores for atrial fibrillation (GPSAF) can facilitate AF screening by accurately discriminating between patients with low and high risk for AF. All included patients are participating in the MHI biobank, an ongoing funded institutional DNA bank and clinical registry approved by the research ethics board where included patients consent for future genetic research. The study will compare AF detection rate using a 3 months near continuous monitoring in individuals with a high GPSAF with matched individuals from the bottom GPSAF.
Publications & conference data
1 peer-reviewed publication reference this trial (live from Europe PMC):
-
Atrial fibrillation: epidemiology, screening and digital health.
Linz D, Gawalko M, Betz K, Hendriks JM, et al · · 2024 · cited 230× · PMID 38362546 · DOI 10.1016/j.lanepe.2023.100786
Verify or expand the search:
- PubMed search for NCT04932798
- Europe PMC full search
- ASCO Meeting Library
- ESMO Meeting Library
- bioRxiv preprints
- medRxiv preprints
- Google Scholar
Related trials
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Currently open trials in the same condition.
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- NCT06446271 — Biomarkers in SCOTland CardiomyopatHy Registry (Bio-SCOTCH) · recruiting
- NCT06377033 — Using the EHR to Advance Genomic Medicine Across a Diverse Health System · NA · recruiting
Other Montreal Heart Institute trials
Trials by the same sponsor.
- NCT07524335 — Aspirin in Subclinical Coronary Artery Disease: A Pilot Randomised Controlled Trial · Phase 3 · not yet recruiting
- NCT07257198 — Aspirin-free Strategy With Ticagrelor in Patients With a Myocardial Infarction Treated Medically Alone · Phase 3 · recruiting
- NCT07391358 — DAPT Strategy in HBR Patients Undergoing Complex PCI Following ACS: Second-Phase Beta Testing of a Patients Decision Aid · NA · not yet recruiting
- NCT05450328 — Inhaled Milrinone and Epoprostenol for the Prevention of Difficult Cardiac Pulmonary Bypass Separation · Phase 2 · not yet recruiting
- NCT07144722 — Prehabilitation Program for Patients Awaiting Elective Heart Surgery at Increased Risk of Postoperative Complications: F · NA · not yet recruiting
Verify against primary sources
- ClinicalTrials.gov — authoritative US registry record
- WHO ICTRP — international registry index
- EU Clinical Trials Register
- Sponsor press releases (Google)
- Trial protocol + status: ClinicalTrials.gov NCT04932798 (US National Library of Medicine, public domain)
- Publications: Europe PMC API search by NCT ID, retrieved 10 June 2026
- Drug + disease cross-links: matched in real time against Drug Landscape's normalised drug + company + condition tables
- Sponsor: as reported to ClinicalTrials.gov by Montreal Heart Institute
- Last refreshed: 1 September 2022
Drug Landscape aggregates and links these public records for informational use only. Always verify against the primary source before clinical or regulatory decisions. Canonical URL: https://druglandscape.com/trial/NCT04932798.
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