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ClinicalTrials.gov public records Last synced Sep 29, 2026, 7:03 AM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Atrial Fibrillation, Stroke
Interventions
Catheter Ablation, Market-approved AVNB, OAC and AAD
Device · Drug
Lead sponsor
Kansas City Heart Rhythm Research Foundation
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
7
States / cities
Overland Park, Kansas • Independence, Missouri • Kansas City, Missouri
Completed Not applicable Interventional Results available

VenaSeal Sapheon Closure System Pivotal Study (VeClose)

NCT01807585
Conditions
Great Saphenous Vein (GSV) With Venous Reflux Disease
Interventions
VenaSeal SCS, ClosureFast Radiofrequency Ablation (RFA), Roll-in (VenaSeal SCS)
Device
Lead sponsor
Medtronic Endovascular
Industry
Eligibility
21 Years to 70 Years
Enrollment
242 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
10
States / cities
Scottsdale, Arizona • San Diego, California • Greenwood Village, Colorado + 7 more
Conditions
Great Saphenous Vein (GSV) With Venous Reflux Disease
Interventions
VenaSeal SCS, ClosureFast Radiofrequency Ablation (RFA), Roll-In (VenaSeal SCS)
Device
Lead sponsor
Medtronic Endovascular
Industry
Eligibility
21 Years to 70 Years
Enrollment
114 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
9
States / cities
Scottsdale, Arizona • San Diego, California • Greenwood Village, Colorado + 6 more
Conditions
Atrial Fibrillation
Interventions
Radiofrequency ablation
Procedure
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
166 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2011
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Atrial Fibrillation, Heart Failure, Diastolic Heart Failure
Interventions
Catheter ablation, Rate or Rhythm control antiarrhythmic drugs for atrial fibrillation, Insertion of CardioMems Hemodynamic monitor, Empiric heart failure drug therapy
Device · Drug
Lead sponsor
Electrophysiology Research Foundation
Other
Eligibility
18 Years to 75 Years
Enrollment
360 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
7
States / cities
Flagstaff, Arizona • Jonesboro, Arkansas • Littleton, Colorado + 4 more
Conditions
Defibrillators, Implantable, Tachycardia, Ventricular
Interventions
Ablation, Amiodarone
Procedure · Drug
Lead sponsor
Population Health Research Institute
Other
Eligibility
19 Years to 84 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
5
States / cities
Chicago, Illinois • Rochester, Minnesota • Philadelphia, Pennsylvania + 2 more
Conditions
Atrial Fibrillation
Interventions
propafenone; flecainide; sotalol; dofetilide, Radiofrequency catheter ablation
Drug · Device
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
2
States / cities
Philadelphia, Pennsylvania
Conditions
Atrial Fibrillation - Symptomatic
Interventions
Radiofrequency ablation
Procedure
Lead sponsor
Ohad Ziv
Other
Eligibility
18 Years to 85 Years
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2027
U.S. locations
1
States / cities
Cleveland, Ohio
Conditions
Arterial Hypertension, Atrial Fibrillation
Interventions
Circumferential PV isolation, PV isolation+renal denervation
Procedure
Lead sponsor
Meshalkin Research Institute of Pathology of Circulation
Network
Eligibility
18 Years to 70 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
New York, New York
Completed Not applicable Interventional Accepts healthy volunteers

Transseptal vs Retrograde Aortic Ventricular Entry to Reduce Systemic Emboli

NCT03946072
Conditions
Neurocognitive Dysfunction
Interventions
Transseptal Aortic Approach Catheter Ablation Procedure, Retrograde Aortic Approach Catheter Ablation Procedure
Procedure
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
153 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
20
States / cities
Phoenix, Arizona • Los Angeles, California • Palo Alto, California + 14 more
Conditions
Ventricular Tachycardia
Interventions
Radiofrequency Catheter Ablation (RFCA)
Procedure
Lead sponsor
Texas Cardiac Arrhythmia Research Foundation
Other
Eligibility
18 Years to 75 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Austin, Texas
Conditions
Atrial Flutter
Interventions
Cardiac Ablation (Gen2 Cardiac Ablation System)
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
3
States / cities
Birmingham, Alabama • West Orange, New Jersey • Doylestown, Pennsylvania
Conditions
Persistent Atrial Fibrillation, Longstanding Persistent Atrial Fibrillation
Interventions
Hybrid: AtriCure Bipolar System & EP ablation procedure
Device
Lead sponsor
AtriCure, Inc.
Industry
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
5
States / cities
Stanford, California • Nashville, Tennessee • Plano, Texas + 2 more
Conditions
Atrial Fibrillation
Interventions
PVI Plus Catheter Ablation, PVI Alone
Procedure
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Conditions
Paroxysmal Atrial Fibrillation
Interventions
Catheter ablation to treat paroxysmal atrial fibrillation
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
New York, New York
Conditions
Ventricular Arrythmia
Interventions
Intramural Needle Ablation, Ablation
Device · Procedure
Lead sponsor
Vivek Reddy
Other
Eligibility
15 Years and older
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
New York, New York
Conditions
Tachycardia, Ventricular
Interventions
Varian Cardiac Radioablation (CRA), Catheter Ablation (CA)
Device · Procedure
Lead sponsor
Varian, a Siemens Healthineers Company
Industry
Eligibility
18 Years and older
Enrollment
380 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2030
U.S. locations
11
States / cities
Los Angeles, California • Hartford, Connecticut • Boston, Massachusetts + 8 more
Conditions
Paroxysmal Atrial Fibrillation, Persistent Atrial Fibrillation
Interventions
Renal Denervation, Catheter Ablation
Device
Lead sponsor
Vivek Reddy
Other
Eligibility
18 Years and older
Enrollment
143 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
8
States / cities
Jonesboro, Arkansas • San Francisco, California • Thousand Oaks, California + 5 more
Conditions
Atrial Flutter
Interventions
Blazer® Open-Irrigated Ablation Catheter, Control Catheter
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
302 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
26
States / cities
Birmingham, Alabama • Fullerton, California • Sacramento, California + 21 more
Completed No phase listed Observational

FREEZE Cohort Study

NCT01360008
Conditions
Arrhythmia
Interventions
Not listed
Lead sponsor
Stiftung Institut fuer Herzinfarktforschung
Other
Eligibility
18 Years and older
Enrollment
4,071 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
1
States / cities
Asheville, North Carolina
Completed No phase listed Observational Results available

NAVISTAR® THERMOCOOL® SF Catheter: Observational Study

NCT01585961
Conditions
Atrial Fibrillation, Paroxysmal Arrhythmia
Interventions
Catheter Ablation (NAVISTAR® THERMOCOOL® SF Catheter)
Device
Lead sponsor
Biosense Webster, Inc.
Industry
Eligibility
18 Years and older
Enrollment
511 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
45
States / cities
Huntsville, Alabama • Anchorage, Alaska • Phoenix, Arizona + 40 more
Conditions
Biliary Tract Neoplasms, Liver Cancer, Hepatocellular Carcinoma, Cholangiocarcinoma, Bile Duct Cancer
Interventions
Durvalumab, Tremelimumab, Trans-arterial Catheter Chemoembolization (TACE), Radiofrequency Ablation (RFA), Cryoablation
Drug · Procedure
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Paroxysmal Atrial Fibrillation, Persistent Atrial Fibrillation, Ventricular Arrhythmia
Interventions
Catheter ablation
Device
Lead sponsor
Heart Rhythm Clinical and Research Solutions, LLC
Other
Eligibility
18 Years and older
Enrollment
20,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2028
U.S. locations
71
States / cities
Birmingham, Alabama • Mobile, Alabama • Chandler, Arizona + 64 more
Conditions
Ventricular Tachycardia
Interventions
Market Approved RF Ablation System, FlexAbility SE Ablation Catheter
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
592 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
23
States / cities
Birmingham, Alabama • Los Angeles, California • San Diego, California + 18 more