Atrial fibrillation trials in Spain

In Spain 48 Also abroad 724

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

No phaseNot yet taking people in Spain
throMboembolic Risk Associated To High atrIal Fibrillation riSk
Where
Tortosa
Age
65 years to 95 years
People
1,000
Run by
Fundacio d'Investigacio en Atencio Primaria Jordi Gol i Gurina
See details and how to joinNCT07441759
No phaseTaking people
Ablation of Human Cardiac Fibrillation Based on Models of Hierarchical Organization of Tissue Excitation
Where
Madrid
Age
18 years and over
People
78
Run by
Hospital San Carlos, Madrid
See details and how to joinNCT07390175
No phaseEnrolling by invitation
Observational Study to Validate a Family Physician Echocardiography Training Programme
Where
Barcelona
Age
15 years and over
People
500
Run by
Societat Catalana de Medicina Familiar i Comunitària, Assoc. (CAMFiC)
See details and how to joinNCT07339007
Phase 4Taking people
Anticoagulation for Stroke Prevention In Patients With Recent Episodes of Atrial Fibrillation Occurring Transiently With Stress
Where
Barcelona, Madrid, Pamplona, Sabadell, Terrassa
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
Early Atrial Fibrillation Ablation for Stroke Prevention in Patients With High Comorbidity Burden (EASThigh-AFNET 11)
Where
Multiple Locations
Age
18 years and over
People
2,312 worldwide
Run by
Atrial Fibrillation Network
See details and how to joinNCT06324188
No phaseTaking people
Personalized Atrial Fibrillation Ablation Guided by Non-Invasive Global Mapping
Where
Barcelona, Madrid
Age
18 years and over
People
45 worldwide
Run by
German Heart Institute
See details and how to joinNCT07320560
No phaseTaking people
Prospective Evaluation of Atrial Fibrillation-Related Stroke Patients in Rehabilitation Program (PEARL), an Observational Cohort Study
Where
Barcelona
Age
18 years to 99 years
People
213
Run by
Parc de Salut Mar
See details and how to joinNCT07253974
Phase 4Taking people
Evaluation of Two Different Regimens of the Antiarrhythmic Drug Amiodarone to Maintain Normal Sinus Rhythm After Electrical Cardioversion in Patients With Persistent Atrial Fibrillation
Where
Badalona, Barcelona, Reus, Santiago de Compostela
Age
18 years and over
People
312
Run by
Fundació Institut de Recerca de l'Hospital de la Santa Creu i Sant Pau
See details and how to joinNCT07273994 · EU 2024-514113-35-01
No phaseTaking people
Observation of Clinical Routine Care for Patients With BIOTRONIK Implantable Cardiac Monitors (ICMs)
Where
Erandio, Fuenlabrada, Vigo, Vitoria-Gasteiz
Age
18 years and over
People
1,400 worldwide
Run by
Biotronik SE & Co. KG
See details and how to joinNCT04075084
No phaseNot yet taking people in Spain
Spanish Registry of Redo Procedures Following Pulmonary Vein Ablation by Pulsed Field Ablation Technology: RESET-PFA
Where
Zaragoza
People
1,100
Run by
Instituto de Investigación Sanitaria Aragón
See details and how to joinNCT07185412
No phaseTaking people
Value of Screening and Treatment of SAHS in the Management of AF Ablation Candidates
Where
Madrid
Age
18 years and over
People
50
Run by
Hospital San Carlos, Madrid
See details and how to joinNCT04606693
No phaseTaking people
Comparison of Fluoroscopy-only vs. Electroanatomic Mapping Strategies for Pulmonary Vein Isolation With Balloon-based Pulsed-field Ablation
Where
Madrid
Age
18 years and over
People
96
Run by
Daniel Rodríguez Muñoz
See details and how to joinNCT07118046
No phaseTaking people
Heart Rate Regularization in Atrial Fibrilation and Heart Failure
Where
Madrid
Age
18 years and over
People
334
Run by
Daniel Rodríguez Muñoz
See details and how to joinNCT05029570
No phaseNot yet taking people in Spain
Sex-Based Differences of LA: Impact on AF Ablation.
Where
Barcelona
Age
18 years and over
People
700
Run by
Centro Medico Teknon
See details and how to joinNCT07159685
No phaseTaking people
Multitarget Pulse Field Ablation Guided by Endocardial and Non-invasive Atrial Driver Mapping (PFA+ADM) Pilot Study. Development of an Ablation Strategy to Improve the Efficacy of Long Standing Atrial Fibrillation Ablation in Patients With High Comorbidity Burden or Heart Failure
Where
Madrid
Age
18 years to 80 years
People
50
Run by
Fundacion para la Innovacion en Biomedicina (FIBMED)
See details and how to joinNCT07118488
No phaseNot yet taking people in Spain
SVC-isolation in Redo-AF Ablation With Isolated PV
Where
Barcelona
Age
18 years and over
People
100
Run by
Centro Medico Teknon
See details and how to joinNCT07112716
No phaseTaking people
Smartwatch and External Holter Monitoring to Detect Atrial Fibrillation in Patients With Cryptogenic Stroke
Where
Barcelona
Age
55 years and over
People
100
Run by
Hospital Universitari Vall d'Hebron Research Institute
See details and how to joinNCT05565781
No phaseTaking people
Advancing Knowledge in Ischemic Stroke Patients on Oral Anticoagulants
Where
Madrid, Valladolid
Age
18 years and over
People
200 worldwide
Run by
University of L'Aquila
See details and how to joinNCT06823466
No phaseTaking people
Concurrent Training in Patients Undergoing Atrial Fibrillation Ablation.
Where
Zaragoza
Age
18 years and over
People
120
Run by
Marcos Echevarría
See details and how to joinNCT06832033
No phaseTaking people
Integrated Approach in Frail Older People with Atrial Fibrillation
Where
Alicante, Cartagena, Cártama, Elche, Málaga, Murcia, Sant Joan d'Alacant, Tarragona, Valls
Age
65 years and over
People
1,250 worldwide
Run by
Heart Care Foundation
See details and how to joinNCT06775028
No phaseTaking people
Atrial Fibrillation Ablation Versus Atrioventricular Nodal Ablation with Conduction System Pacing in Heart Failure
Where
Madrid
Age
60 years and over
People
220 worldwide
Run by
University Hospital, Geneva
See details and how to joinNCT06207383
Phase 4Not yet taking people in Spain
Evaluation of Cardioverter Capacity of Amiodarone Pre-electrical Cardioversion in Persistent Atrial Fibrillation
Where
Badalona, Barcelona, Santiago de Compostela, Tarragona
Age
18 years and over
People
122
Run by
Institut Investigacio Sanitaria Pere Virgili
See details and how to joinNCT06645249 · EU 2023-507201-34-00
No phaseTaking people
Wide-Antral Pulmonary Vein Isolation in Atrial Fibrillation Ablation with a Single-shot Technique (WIDER-PVI)
Where
Bilbao, Granada, Huelva, Madrid, Málaga, Seville
Age
18 years and over
People
440 worldwide
Run by
Hospital Universitario 12 de Octubre
See details and how to joinNCT06698159