Biological database for understanding atrial fibrillation and stroke

Biological Bank for Studies Related to Atrial Fibrillation and Stroke

Observational Hospices Civils de Lyon · NCT03611816

This study is collecting blood samples from people with atrial fibrillation and stroke to see if their genes can help us find better treatments for these conditions.

Quick facts

Study typeObservational
Enrollment1000 (estimated)
Ages18 Years and up
SexAll
SponsorHospices Civils de Lyon Academic / other
Locations5 sites (Bourg-en-Bresse and 4 other locations)
Trial IDNCT03611816 on ClinicalTrials.gov

What this trial studies

This observational study aims to establish a biological bank to investigate the genetic factors associated with atrial fibrillation (AF) and its link to stroke. By collecting blood samples from patients with a history of AF and stroke, the study seeks to identify genetic determinants that could lead to new therapeutic targets. The research focuses on understanding the genetic heterogeneity of AF and its contribution to thromboembolic processes. The findings could provide insights into more effective treatments for these conditions.

Who should consider this trial

Good fit: Ideal candidates include individuals with a history of atrial fibrillation or stroke, as well as those scheduled for electrophysiological exploration or AF ablation.

Not a fit: Patients without a history of atrial fibrillation or stroke, as well as those who are pregnant or unable to provide consent, may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to improved therapies for patients with atrial fibrillation and stroke by identifying genetic factors that influence these conditions.

How similar studies have performed: Other studies have shown success in identifying genetic factors related to atrial fibrillation and stroke, suggesting that this approach could yield valuable insights.

Eligibility criteria

Show full inclusion / exclusion criteria
Group 1a

* Inclusion Criteria :

  \- AF history
* Exclusion Criteria :

  * No AF history
  * patient who didn't signed consent

Group 1b

* Inclusion Criteria :

  * AF history
  * Scheduled electrophysiological exploration or AF ablation
* Exclusion Criteria :

  * No AF history
  * pregnant women
  * patient who didn't signed consent

Group 1c

* Inclusion Criteria :

  * AF/AT history
  * Stroke history
* Exclusion Criteria :

  * No Stroke history
  * patient who didn't signed consent

Group 2

* Inclusion Criteria :

  * patient over 80
  * ECG: sinusal rhythm
  * TTE : no left atrial dilatation
* Exclusion Criteria :

  * atrial fibrillation history
  * TTE : Left atria \>25cm², \> 34m/m2), FEVG \< 50%
  * ECG : QRS \> 90 ms
  * cardiac pathologies (excepted hypertension and valvulopathies)
  * History of stroke and transient ischemic attack
  * patient who didn't signed consent

Group 3

* Inclusion Criteria :

  * cryptogenic stroke or transient ischemic attack history before 50 yo
  * No AF history
* Exclusion Criteria :

  * AF history
  * stroke or transient ischemic attack over 50 yo
  * patient who didn't signed consent

Where this trial is running

Bourg-en-Bresse and 4 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions StrokeAtrial Fibrillation
Last reviewed 2026-06-15 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.