High-resolution MRI imaging for patients with atrial fibrillation before ablation
Official title: High-resolution Contrast-Enhanced MRI of Atrial Fibrillation Patients Prior to FIRM Ablation
Run by Ohio State University · NCT03444337 · Data updated 2026-11-12
This study is testing if detailed MRI scans can help doctors better understand the heart's structure in patients with atrial fibrillation before they undergo a procedure to treat it.
Quick facts
| Study type | Observational |
|---|---|
| Ages | 18 Years and up |
| Sex | All |
| Enrollment | 20 (estimated) |
| Sponsor | Ohio State University Academic / other |
| Locations | 1 site (Columbus, Ohio) |
| Status | Recruiting |
| Started | November 3, 2016 |
| Main results expected | December 30, 2027 |
| Study ends | April 30, 2028 |
| Registry record updated | September 9, 2026 |
| Trial ID | NCT03444337 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates are adults aged 18 and older with symptomatic paroxysmal or persistent atrial fibrillation scheduled for ablation using FIRM mapping.
✕Probably not a fit
Patients with left atrial appendage thrombus, those unable to undergo MRI, or those who cannot receive gadolinium contrast will not benefit from this study.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This observational study involves patients with symptomatic paroxysmal or persistent atrial fibrillation who are undergoing a clinically indicated ablation procedure using FIRM mapping. Participants will receive high-resolution MRI scans with gadolinium-based contrast to create detailed 3D images of the atria before the procedure. The study aims to correlate fibrotic regions in the heart with the sites targeted for ablation based on FIRM mapping. Data will be collected before, during, and after the ablation procedure to enhance understanding of the disease state and improve treatment outcomes.
Why it matters
Potential benefit: If successful, this study could lead to improved targeting of ablation sites, potentially enhancing the effectiveness of atrial fibrillation treatment.
How similar studies have gone: While the approach of using MRI in conjunction with FIRM mapping is innovative, similar studies have shown promise in improving ablation outcomes, indicating potential for success.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: 1. Patients with symptomatic paroxysmal or persistent atrial fibrillation undergoing clinically-indicated ablation procedure employing FIRM mapping with pre-operative MRI. 2. Subjects must be at least 18 years of age. Exclusion Criteria: 1. LAA thrombus present on pre-procedure TEE 2. Unable to undergo MRI imaging 3. Unable to receive gadolinium contrast.
Where it's running
-
Ohio State University
Columbus, Ohio, United States Recruiting
Study contacts
- Study coordinator: Adrianne Miller, RN
- Email: Adrianne.Miller@osumc.edu
- Phone: 614-685-4394
Similar studies
Other studies for the same condition or treatment. Recruiting studies are listed first.
-
AI-based tools to help diagnose, treat and predict stroke outcomes across multiple hospitals
This study tests AI-powered tools on real-world stroke patients to see if they can improve pre-hospital triage, diagnosis, and outcome prediction while data stay securely within each hospital.
-
Left-atrial Fibrosis in Persistent Atrial Fibrillation and Its Comorbidities
This study tests how comorbid conditions like sleep apnea and primary aldosteronism relate to left-atrial fibrosis and AF recurrence in patients undergoing ablation.
-
Dual Energy ablation with SmartTouch SF catheter in persistent atrial fibrillation
This study tests a pulsed field and radiofrequency ablation system to treat persistent atrial fibrillation in adults who have not responded well to prior medications.
-
Identifying AF patients who may need more than standard ablation using Volta AF-Xplorer II
This trial tests whether AI-identified dispersion areas during AF ablation can predict recurrence after a standard pulmonary vein isolation in patients with persistent AF.
-
4D intracardiac echocardiography to guide left atrial appendage occlusion procedures
A new 4D ICE catheter is being tested alongside standard imaging to see if it can safely guide left atrial appendage occlusion procedures for adults with atrial fibrillation.
-
Thoracoscopic vs Catheter Ablation as the First Rhythm Control in Atrial Fibrillation with a Large Left Atrium
This trial tests whether thoracoscopic surgical ablation is better at keeping atrial fibrillation under control than catheter ablation in people with persistent AF and a large left atrium who have not had an ablation before.
How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.