RecruitingNCT06858306

SPHERE Per-AF Post-Approval Study

SPHERE Per-AF Post-Approval Study, an Addendum to the Affera Global Registry


Sponsor

Medtronic Cardiac Ablation Solutions

Enrollment

200 participants

Start Date

Sep 25, 2025

Study Type

OBSERVATIONAL

Conditions

Summary

SPHERE Per-AF Post-Approval Study is a prospective, multi-center, non-randomized, observational trial. Subjects will be treated with the Sphere-9™ Catheter and Affera™ Ablation System and followed through 36 months.


Eligibility

Min Age: 18 Years

Inclusion Criteria5

  • A diagnosis of recurrent symptomatic persistent AF (continuous AF sustained longer than 7 days but less than 12 months)
  • Refractory (i.e. not effective, not tolerated, or not desired) to at least one Class I or III antiarrhythmic drug (AAD)
  • Patient is ≥ 18 years of age
  • Planned de novo pulmonary vein isolation procedure using commercially available Sphere-9™ Catheter and Affera Ablation System
  • Patient is willing and able to comply with study requirements and give informed consent

Exclusion Criteria5

  • Long-standing persistent AF (continuous AF sustained \>12 months)
  • Prior left atrial catheter or surgical ablation
  • Life expectancy \<36 months
  • Presence of a permanent pacemaker, biventricular pacemaker, loop recorder/insertable cardiac monitor (ICM), or any type of implantable cardiac defibrillator (with or without biventricular pacing function)
  • Current or anticipated participation in any other clinical trial of a drug, device or biologic during the duration of this study not pre-approved by Medtronic

Interventions

DEVICESphere-9™ Catheter and Affera™ Ablation System

De novo pulmonary vein isolation procedure using commercially available Sphere-9™ Catheter and Affera™ Ablation System


Locations(12)

University of Alabama at Birmingham Hospital

Birmingham, Alabama, United States

Sarasota Memorial Hospital

Sarasota, Florida, United States

Minneapolis Heart Institute Foundation

Minneapolis, Minnesota, United States

Mayo Clinic

Rochester, Minnesota, United States

Montefiore Medical Center

New York, New York, United States

OhioHealth

Columbus, Ohio, United States

Doylestown Health Cardiology

Doylestown, Pennsylvania, United States

Allegheny General Hospital

Pittsburgh, Pennsylvania, United States

Texas Health Resources

Fort Worth, Texas, United States

Houston Methodist Hospital

Houston, Texas, United States

University of Virginia Medical Center

Charlottesville, Virginia, United States

Centra Medical Group Stroobants Cardiovascular Center

Lynchburg, Virginia, United States

View Full Details on ClinicalTrials.gov

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NCT06858306


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