NCT06324201 · Heart Rhythm Clinical and Research Solutions, LLC
The Long-term Safety and Effectiveness Evaluation of the QDOT MICRO System Use in Conjunction With VISITAG SURPOINT Module for the Treatment of Symptomatic Drug Refractory Paroxysmal Atrial Fibrillation.
(QDOT PAS)
What this study is about
Observational, multi-center, non-randomly assigned, post-market study. This is a nested sub-study of the REAL AF Registry. Consecutive symptomatic drug refractory paroxysmal atrial fibrillation (PAF) patients from the registry will be screened for enrollment, prospectively or retrospectively, to this sub-study per inclusion and reasons someone cannot join.
View original scientific description
Observational, multi-center, non-randomized, post-market study. This is a nested sub-study of the REAL AF Registry. Consecutive symptomatic drug refractory paroxysmal atrial fibrillation (PAF) patients from the registry will be screened for enrollment, prospectively or retrospectively, to this sub-study per inclusion and exclusion criteria.
Who can participate
This study lists these criteria on ClinicalTrials.gov. A study coordinator reviews eligibility during screening — this page does not determine whether you qualify.
Inclusion criteria
- Symptomatic drug refractory paroxysmal (AF episode terminate spontaneously within 7 days) who, in the opinion of the investigator, are candidates for ablation for AF
- 18 years of age or older
- Able and willing to participate in baseline and follow up evaluations for the full length of the sub-study
- Willing and able to provide informed consent for this sub-study
Exclusion criteria
- Patients who have undergone catheter ablation for atrial fibrillation (PVI, roof line, posterior wall ablation...)
- Enrolled in an investigational drug or device clinical trial, or any trial that dictates the treatment plan
- Persistent or long-standing persistent AF
- In the opinion of the investigator, any known contraindication to an ablation procedure
Where
- Birmingham, Alabama
- Mobile, Alabama
- Ventura, California
- Aurora, Colorado
- Naples, Florida
- Sarasota, Florida
- Atlanta, Georgia
- Louisville, Kentucky
- Boston, Massachusetts
- Lansing, Michigan
- Ypsilanti, Michigan
- Cincinnati, Ohio
And 8 more locations — see the full list below.
Frequently asked questions
What is a clinical trial?
A clinical trial is a research study that tests new medical treatments, drugs, devices, or procedures to determine their safety and effectiveness. Trials are carefully designed and monitored to protect participants while advancing medical knowledge.
Is it safe to participate?
Clinical trials follow strict safety guidelines and ethical standards. Trials must be reviewed and approved, and participants are closely monitored by medical professionals throughout the study. You can withdraw at any time if you choose.
Will I be compensated?
Many clinical trials offer compensation for your time, travel expenses, and inconvenience. The specific compensation varies by study and will be discussed during the screening process. All study-related medical care is typically provided at no cost to participants.
Will I receive a placebo instead of treatment?
When effective treatment exists, participants typically receive either the standard treatment plus the study intervention, or the standard treatment plus placebo. You would not be denied effective care. Placebos are primarily used when no proven treatment is available, or in addition to standard care. Your trial consent form will clearly explain what treatments you may receive.
Can I leave a trial if I change my mind?
Absolutely. Participation in clinical trials is completely voluntary. You have the right to withdraw from the study at any time, for any reason, without penalty or loss of benefits to which you are otherwise entitled.
How long does a clinical trial last?
Trial duration varies widely depending on the study design and purpose. Some trials last just a few weeks, while others may continue for months or years. The study coordinator will provide specific timeline information during your screening call.
Data: ClinicalTrials.gov · synced Oct 31, 2025 · Source of record for eligibility and locations