NCT06170606Completed
POLARx Post Approval Study (POLARx PAS)
Prospective Multi-Site Safety and Effectiveness Study of the Boston Scientific Cardiac Cryoablation System for Drug Refractory, Recurrent Symptomatic Paroxysmal Atrial Fibrillation
Source: ClinicalTrials.gov · Last updated 27 Jul 2026
Brief summary (registry, in English)
To collect clinical data on safety, effectiveness and procedural success of Boston Scientific's Cardiac Cryoablation System (includes all BSC commercially available POLARx/POLARx Fit catheters) when used to perform pulmonary vein isolation (PVI) in the ablation treatment of de novo Atrial Fibrillation (AF).
- Status (registry)
- Completed
- Study type
- Interventional
- Enrollment
- 200 (actual)
- First submitted
- 6 Dec 2023
- Start date
- 28 Jun 2024
- Primary completion date
- 20 May 2026
- Lead sponsor
- Boston Scientific Corporation
- Diseases
- Atrial fibrillation
- NCT number
- NCT06170606
What you commit to
- Study type: Interventional
- Participants enrolled: 200
- From 28 Jun 2024 to the primary completion date, 20 May 2026
- 11 sites in 1 country
- Visits and tests: ask the trial team, the registry does not list them
Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.
Who cannot take part
Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.
Prior treatment
- Any prior LA ablation;
Other illness
- Any known contraindication to an AF ablation or anticoagulation, including those listed in the IFU as legally approved conditions;
- Subjects with severe valvular disease OR with a prosthetic - mechanical or biological - heart valve (not including valve repair and annular rings);
- Subjects with active systemic infection;
Other
- Known or pre-existing severe PV Stenosis;
- Presence of any pulmonary vein stents;
- Subject is unable or not willing to complete follow-up visits and examination for the duration of the study;- Subjects with life expectancy ≤ 1 year per investigator's medical judgement;
- Women of childbearing potential who are, or plan to become, pregnant during the time of the study (assessment per investigator's discretion);
Who the study is looking for
- Subjects indicated for drug refractory, recurrent symptomatic PAF treatment with the Cryoablation System, per physician's medical judgement, and as per standard of care
- Subjects who are willing and capable of providing informed consent;
- Subjects who are willing and capable of participating in all testing associated with this clinical study at an approved clinical investigational center;
Age in the registry: 18 years to - · Sex: All · Does not accept healthy volunteers
Sites (11)
Sites in registry order. Pick your city on the disease page to sort them by distance.
| Site | City | Country | Site status |
|---|---|---|---|
| Intermountain Platte Valley Hospital Coordinator of this site? Confirm its status | Brighton | United States | Unknown status |
| Bethesda North Hospital Coordinator of this site? Confirm its status | Cincinnati | United States | Unknown status |
| Prisma Health Richland Hospital Coordinator of this site? Confirm its status | Columbia | United States | Unknown status |
| University of Texas Medical Branch - Galveston Coordinator of this site? Confirm its status | Galveston | United States | Unknown status |
| Mercy Gilbert Medical Center Coordinator of this site? Confirm its status | Gilbert | United States | Unknown status |
| Valley View Hospital Coordinator of this site? Confirm its status | Glenwood Springs | United States | Unknown status |
| Aurora Health Coordinator of this site? Confirm its status | Grafton | United States | Unknown status |
| Banner-University Medical Center Phoenix Coordinator of this site? Confirm its status | Phoenix | United States | Unknown status |
| St. Joseph's Hospital/BayCare Medical Group Coordinator of this site? Confirm its status | Tampa | United States | Unknown status |
| Torrance Memorial Medical Center Coordinator of this site? Confirm its status | Torrance | United States | Unknown status |
| Pima Heart & Vascular Clinical Research Coordinator of this site? Confirm its status | Tucson | United States | Unknown status |
This page is information, not medical advice. Discuss any trial with your doctor.