Atrial fibrillation trials in Denmark

In Denmark 39 Also abroad 724

39 trials · From ClinicalTrials.gov and EU CTIS (euclinicaltrials.eu), checked 11 November 2026. Ask the study team whether a trial fits you.

No phaseTaking people
Peer-Mentor Support for Vulnerable Patients With Atrial Fibrillation
Where
Herlev, Hillerød, Hvidovre
Age
18 years and over
People
290
Run by
University College Copenhagen
See details and how to joinNCT07498283
Phase 3Taking people
Thrombolysis in Factor Xa-inhibitors Trial
Where
Aabenraa, Aalborg, Aarhus N, Glostrup, Herning, København, Kolding, Odense, Roskilde
Age
18 years and over
People
300 worldwide
Run by
Guri Hagberg
See details and how to joinNCT06878066 · EU 2023-509907-34-01
No phaseTaking people
Comprehensive LEFt Atrial Appendage Occlusion With Rhythm Restoration
Where
Copenhagen
Age
18 years and over
People
240 worldwide
Run by
Abbott Medical Devices
See details and how to joinNCT07523620
Phase 4Taking people
Can Patients With Atrial Fibrillation Safely Discontinue Anticoagulant Therapy After Cardiac Surgery? (ATLAAC)
Where
Aalborg, Aarhus N, Copenhagen Oe, Hellerup, Herning, Odense C
Age
18 years and over
People
1,220 worldwide
Run by
Odense University Hospital
See details and how to joinNCT06401616 · EU 2022-502986-92-00
No phaseTaking people
Blood Clotting Markers and Heart Ultrasound in People With Device-Detected Atrial Fibrillation
Where
Esbjerg
Age
50 years and over
People
222
Run by
Andreas Sjøholm-Christensen
See details and how to joinNCT07713615
Phase 2Not yet taking people in Denmark
Vortosiran in Atrial Fibrillation
Where
Frederiksberg, Herlev
Age
45 years and over
People
150 worldwide
Run by
Ribocure Pharmaceuticals AB
See details and how to joinNCT07870889
No phaseNot yet taking people in Denmark
Danish Trial of Weight Loss to Reduce Atrial Fibrillation Progression
Where
Copenhagen, Esbjerg
Age
18 years and over
People
480
Run by
Axel Brandes
See details and how to joinNCT07816744
Phase 2Taking people
Clinical Phase 2 Trial of AP31969 Versus Placebo for Rhythm Control of Atrial Fibrillation
Where
Hellerup, Viborg
Age
18 years and over
People
200 worldwide
Run by
Acesion Pharma
See details and how to joinNCT07267949 · EU 2025-521377-14-00
Phase 2Taking people
A randomised active-controlled study to assess the safety and pharmacodynamics of two blinded doses of vortosiran and open-label apixaban in patients with non-valvular atrial fibrillation
Where
Frederiksberg, Herlev
Age
18 years and over
People
150 worldwide
Run by
Ribocure Pharmaceuticals AB
See details and how to join2026-525417-31-00 · EU 2026-525417-31-00
No phaseTaking people
The Fourth Left Atrial Appendage Occlusion Study
Where
Aarhus, Copenhagen, Esbjerg, Hjørring, Odense C, Viborg
Age
18 years and over
People
4,000 worldwide
Run by
Hamilton Health Sciences Corporation
See details and how to joinNCT05963698
No phaseTaking people
Evaluating the Impact of Home-Based Sleep Apnea Diagnostic on Well-Being, Health Behavior, and AF Load in Patients With Atrial Fibrillation Using a Decentralized Platform
Where
Hellerup
Age
18 years and over
People
936
Run by
Herlev and Gentofte Hospital
See details and how to joinNCT06618417
No phaseTaking people
Optimized Expansion of the Implanted Transcatheter Aortic Valve
Where
Aa, Aalborg, Copenhagen, Odense C
Age
18 years and over
People
1,010 worldwide
Run by
Ole De Backer
See details and how to joinNCT07042529
Phase 4Not yet taking people in Denmark
Cardiologist-Administered Midazolam vs. Anaesthesiologist-Assisted Propofol Sedation For Transoesophageal Echocardiography-Guided Cardioversion of Atrial Fibrillation
Where
Herning, Randers
Age
18 years and over
People
220
Run by
Gødstrup Hospital
See details and how to joinNCT07571447
Phase 4Taking people
Pharmacokinetics and pharmacodynamics of amiodarone in critically ill patients treated for atrial fibrillation - a randomised clin
Where
Aalborg
Age
18 years and over
People
50
Run by
Aalborg University Hospital
See details and how to join2025-521289-88-02 · EU 2025-521289-88-02
Phase 4Taking people
The Danish Warfarin-Dialysis Study - Safety and Efficacy of Warfarin in Patients With Atrial Fibrillation on Dialysis
Where
Aalborg, Aarhus N, Copenhagen Oe, Esbjerg, Herlev, Herning, Hillerød, Holbæk, Kolding, Roenne, Roskilde, Sønderborg, Viborg
Age
18 years and over
People
718
Run by
Nicholas Carlson
See details and how to joinNCT03862859 · EU 2022-502500-75-00
No phaseTaking people
The MAGiC™ Cardiac Ablation European Study
Where
Copenhagen
Age
18 years and over
People
150 worldwide
Run by
Stereotaxis
See details and how to joinNCT06019845
No phaseTaking people
Somatic Health Screening for Adults in Outpatient Psychiatric Care in Denmark (SomaScreen)
Where
Copenhagen
Age
18 years and over
People
2,800
Run by
Amager Hospital
See details and how to joinNCT07518446
No phaseNot yet taking people in Denmark
Comparison of Available Standard Pulse Field Ablation Methods for Pulmonary Vein Isolation for Treatment of Atrial Fibrillation
Where
Copenhagen
Age
18 years and over
People
1,125
Run by
Copenhagen University Hospital, Rigshospitalet
See details and how to joinNCT07456540
No phaseNot yet taking people in Denmark
Study for the Identification of Subclinical Atrial Fibrillation In Patients With Significant Primary Mitral Regurgitation
Where
Copenhagen
Age
18 years and over
People
100
Run by
Copenhagen University Hospital, Rigshospitalet
See details and how to joinNCT07377799
No phaseTaking people
The Cardio-share Telemedicine Cross-sector Collaboration Model for Managing Vulnerable Patients With Heart Failure
Where
Frederiksberg
People
300
Run by
University Hospital Bispebjerg and Frederiksberg
See details and how to joinNCT06176131
No phaseTaking people
Left Atrial Appendage Arrhythmogenic and Thrombogenic Substrate
Where
Copenhagen
Age
18 years and over
People
1,000
Run by
University Hospital Bispebjerg and Frederiksberg
See details and how to joinNCT06405750
Phase 4Taking people
Anticoagulation for Stroke Prevention In Patients With Recent Episodes of Atrial Fibrillation Occurring Transiently With Stress
Where
Aarhus, Esbjerg, Odense C
Age
55 years and over
People
2,270 worldwide
Run by
Population Health Research Institute
See details and how to joinNCT03968393 · EU 2023-509142-35-00
No phaseTaking people
The Effect of a Digital MediYoga Program on Quality of Life, Blood Pressure and Heart Rate Among Patients With Atrial Fibrillation
Where
Herlev
People
456
Run by
Herlev and Gentofte Hospital
See details and how to joinNCT07321964
No phaseTaking people
Heat Shock Protein 47 in Thrombosis
Where
Aarhus
Age
18 years and over
People
340 worldwide
Run by
University of Aarhus
See details and how to joinNCT06731673
No phaseTaking people
Stroke Risk Assessment and Markers of Blood Clotting in Patients With Newly Diagnosed Non-valvular Atrial Fibrillation (NVAF), Who Have Not Received Oral Anticoagulation Therapy (OAC-therapy) Prior to Inclusion
Where
Esbjerg
Age
18 years and over
People
150
Run by
Nedim Tojaga
See details and how to joinNCT06949319