Clinical trial Recruiting at 4 sites Interventional Ages 18 and up

Evaluating the HeartLight System for treating atrial fibrillation

Official title: Post-Approval Study of the HeartLight Endoscopic Ablation System for the Treatment of Atrial Fibrillation

Run by CardioFocus · NCT03168659 · Data updated 2026-11-12

This study is testing if the HeartLight System can safely and effectively treat people with tough-to-manage atrial fibrillation and help them feel better over time.

More Atrial Fibrillation trials

Quick facts

Study typeInterventional
Ages18 Years and up
SexAll
Enrollment250 (estimated)
SponsorCardioFocus
Industry-sponsored
Locations4 sites (Tucson, Arizona and 3 other locations)
StatusRecruiting
StartedJune 16, 2017
Main results expectedOctober 2026
Study endsOctober 2028
Registry record updatedAugust 20, 2024
Trial IDNCT03168659 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are adults aged 18 and older who are scheduled for catheter ablation due to symptomatic paroxysmal atrial fibrillation and have failed at least one anti-arrhythmic drug.

Probably not a fit

Patients who are in overall good health and do not meet the criteria for symptomatic paroxysmal atrial fibrillation may 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 post-approval study aims to assess the clinical outcomes of patients treated with the HeartLight System for drug refractory, symptomatic, paroxysmal atrial fibrillation. It is a prospective, open-label, multi-center, single-arm study designed to confirm the safety and effectiveness of the HeartLight System during its commercial use. Participants will be monitored to evaluate the long-term results following catheter ablation procedures. The study seeks to provide additional data following a pivotal clinical study that initially validated the device's efficacy.

Why it matters

Potential benefit: If successful, this study could provide a more effective treatment option for patients suffering from atrial fibrillation who have not responded to medication.

How similar studies have gone: Other studies have shown success with similar ablation approaches for atrial fibrillation, indicating a promising avenue for treatment.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* 18 years or older
* planned for catheter ablation due to symptomatic paroxysmal atrial fibrillation
* failure of at least one anti-arrhythmic drug
* others

Exclusion Criteria:

* overall good health as established by multiple criteria

Where it's running

  • University of Arizona Sarver HeartCenter
    Tucson, Arizona, United States
    Recruiting
  • University of Illinois
    Chicago, Illinois, United States
    Recruiting
  • Mount Sinai Hospital
    New York, New York, United States
    Recruiting
  • University Of Virginia Health System
    Charlottesville, Virginia, United States
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 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.