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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
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

Full criteria on ClinicalTrials.gov

Sites (11)

Sites in registry order. Pick your city on the disease page to sort them by distance.

SiteCityCountrySite status
Intermountain Platte Valley Hospital
Coordinator of this site? Confirm its status
BrightonUnited StatesUnknown status
Bethesda North Hospital
Coordinator of this site? Confirm its status
CincinnatiUnited StatesUnknown status
Prisma Health Richland Hospital
Coordinator of this site? Confirm its status
ColumbiaUnited StatesUnknown status
University of Texas Medical Branch - Galveston
Coordinator of this site? Confirm its status
GalvestonUnited StatesUnknown status
Mercy Gilbert Medical Center
Coordinator of this site? Confirm its status
GilbertUnited StatesUnknown status
Valley View Hospital
Coordinator of this site? Confirm its status
Glenwood SpringsUnited StatesUnknown status
Aurora Health
Coordinator of this site? Confirm its status
GraftonUnited StatesUnknown status
Banner-University Medical Center Phoenix
Coordinator of this site? Confirm its status
PhoenixUnited StatesUnknown status
St. Joseph's Hospital/BayCare Medical Group
Coordinator of this site? Confirm its status
TampaUnited StatesUnknown status
Torrance Memorial Medical Center
Coordinator of this site? Confirm its status
TorranceUnited StatesUnknown status
Pima Heart & Vascular Clinical Research
Coordinator of this site? Confirm its status
TucsonUnited StatesUnknown status

This page is information, not medical advice. Discuss any trial with your doctor.