Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 23, 2026, 4:32 AM EDT

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Showing 1–5 of 5 matching trials from the live ClinicalTrials.gov search.
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Conditions
Atrial Fibrillation (AF), Persistent Atrial Fibrillation, Paroxysmal Atrial Fibrillation (PAF)
Interventions
Sphere-9 Catheter Ablation
Device
Lead sponsor
Medtronic Cardiac Ablation Solutions
Industry
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
22
States / cities
Birmingham, Alabama • La Jolla, California • Los Angeles, California + 19 more
Active, not recruiting No phase listed Observational

SPHERE Per-AF Post-Approval Study

NCT06858306
Conditions
Persistent Atrial Fibrillation
Interventions
Sphere-9™ Catheter and Affera™ Ablation System
Device
Lead sponsor
Medtronic Cardiac Ablation Solutions
Industry
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
14
States / cities
Birmingham, Alabama • Sarasota, Florida • Atlanta, Georgia + 11 more
Conditions
Atrial Fibrillation
Interventions
Mapping and Ablation
Device
Lead sponsor
Medtronic Cardiac Ablation Solutions
Industry
Eligibility
18 Years to 80 Years
Enrollment
477 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
19
States / cities
Birmingham, Alabama • Phoenix, Arizona • Jonesboro, Arkansas + 14 more
Conditions
Ventricular Tachycardia (VT)
Interventions
Sphere-9 Catheter with the Affera Mapping and Ablation System
Device
Lead sponsor
Medtronic Cardiac Ablation Solutions
Industry
Eligibility
18 Years to 85 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
6
States / cities
Boston, Massachusetts • New York, New York • Cleveland, Ohio + 3 more
Conditions
Ventricular Tachycardia
Interventions
Sphere-9 Catheter with the Affera Mapping and Ablation System
Device
Lead sponsor
Medtronic Cardiac Ablation Solutions
Industry
Eligibility
18 Years to 85 Years
Enrollment
260 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
4
States / cities
Manhasset, New York • Winston-Salem, North Carolina • Columbus, Ohio + 1 more