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ClinicalTrials.gov public records Last synced Jun 26, 2026, 11:39 AM EDT

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Showing 1–24 of 49 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Cardiac Chambers
Interventions
Not listed
Lead sponsor
State University of New York - Upstate Medical University
Other
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1995 – 2015
U.S. locations
1
States / cities
Syracuse, New York
Completed No phase listed Observational

Novel Cardiac Signal Processing System

NCT04112433
Conditions
Cardiac Arrhythmia
Interventions
PURE EP 2
Device
Lead sponsor
BioSig Technologies, Inc.
Industry
Eligibility
18 Years and older
Enrollment
104 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
3
States / cities
Jacksonville, Florida • Boston, Massachusetts • Austin, Texas
Conditions
Heart Failure, Systolic, Left Bundle Branch Block
Interventions
Cardiac Resynchronization Therapy (CRT) implantation
Procedure
Lead sponsor
Emory University
Other
Eligibility
Not listed
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Atlanta, Georgia
Conditions
Atrial Fibrillation
Interventions
Transesophageal Echocardiography
Diagnostic Test
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2013
U.S. locations
1
States / cities
Cleveland, Ohio
Active, not recruiting No phase listed Observational

Aveir VR Real-World Evidence Post-Approval Study

NCT05270499
Conditions
Cardiac Pacemaker, Arrythmia, Bradycardia
Interventions
Aveir VR Leadless Pacemaker System
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
3,427 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2034
U.S. locations
1
States / cities
Sylmar, California
Conditions
Ventricular Tachycardia
Interventions
Data Collection Forms
Other
Lead sponsor
Dhanunjaya Lakkireddy, MD, FACC
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Kansas City, Kansas
Conditions
AtrioVentricular Nodal Reentrant Tachycardia, Supraventricular Tachycardia, Heart Disease
Interventions
Freezor Xtra Cryoablation Catheter
Device
Lead sponsor
Medtronic Cardiac Ablation Solutions
Industry
Eligibility
18 Years and older
Enrollment
572 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
26
States / cities
Phoenix, Arizona • Santa Monica, California • Stanford, California + 23 more
Conditions
Hypertrophic Cardiomyopathy
Interventions
Paragon Pacemaker
Device
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
5 Years to 20 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1993 – 2008
U.S. locations
1
States / cities
Bethesda, Maryland
Recruiting No phase listed Observational Accepts healthy volunteers

Intracardiac Flow Assessment in Cardiac Amyloidosis

NCT05379101
Conditions
Amyloidosis Cardiac, Healthy Adults
Interventions
Cardiac magnetic resonance image (CMR), Transthoracic Echocardiogram (TTE), Six-minute Walk Test
Diagnostic Test
Lead sponsor
Mayo Clinic
Other
Eligibility
40 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Atrial Fibrillation, Atrial Flutter
Interventions
Intracardiac Imaging
Device
Lead sponsor
Elad Anter
Other
Eligibility
18 Years and older
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Completed No phase listed Observational Results available

Intracardiac T-wave Alternans and Ischemia

NCT00669552
Conditions
Ischemia
Interventions
Percutaneous coronary intervention
Procedure
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
New York, New York
Conditions
Air Embolism as A Complication of Medical Care
Interventions
Transthoracic Echocardiography
Other
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Omaha, Nebraska
Conditions
Atrial Fibrillation
Interventions
Ranolazine, Dronedarone, Ranolazine placebo, Dronedarone placebo
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
134 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
15
States / cities
Beverly Hills, California • Newport Beach, California • San Francisco, California + 12 more
Conditions
Cardiac Pacemaker, Arrythmia, Bradycardia
Interventions
Aveir DR Leadless Pacemaker System
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
1,805 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2030
U.S. locations
1
States / cities
Sylmar, California
Conditions
Hypertrophic Cardiomyopathy
Interventions
pacemaker implantation, percutaneous transluminal septal ablation (PTSA)
Procedure
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
Not listed
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2002
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Cardiac Catheterization, Blood Pressure, Heart Ventricles, Echocardiography, Heart Failure
Interventions
Sonazoid
Drug
Lead sponsor
Thomas Jefferson University
Other
Eligibility
21 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Ventricular Arrhythmia
Interventions
EDEN Intracardiac Electrogram Recording and Classifying System
Device
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
21 Years to 100 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Atlanta, Georgia
Conditions
Atrial Fibrillation, Left Atrial Appendage Thrombosis
Interventions
Intracardiac Echocardiography (ICE)
Device
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Cleveland, Ohio
Conditions
Atrial Fibrillation
Interventions
Biosense Webster irrigated tip catheter, Pulmonary vein isolation, ICE catheter placed through one of two existing 8F sheaths
Device · Procedure
Lead sponsor
Gregory Jones
Other
Eligibility
18 Years to 80 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Kingsport, Tennessee
Conditions
Congestive Heart Failure, Sudden Cardiac Death, Arrhythmia, Cardiomyopathies
Interventions
Not listed
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
630 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2011
U.S. locations
2
States / cities
Baltimore, Maryland • St Louis, Missouri
Completed Not applicable Interventional

Temporary Biventricular Pacing

NCT01987531
Conditions
Right Ventricular (RV) Dysfunction
Interventions
left ventricular epicardial pacing lead
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 84 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Ventricular Tachycardia, Ventricular Fibrillation, Atrial Fibrillation, Supraventricular Tachycardia
Interventions
Dual Chamber ICD, Single Chamber ICD
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 90 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
2
States / cities
Jacksonville, Florida • Rochester, Minnesota
Conditions
Atrial Fibrillation
Interventions
BMS-919373, Sotalol, Placebo for BMS-919373
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 85 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Austin, Texas
Conditions
Heart Failure
Interventions
Implantable Hemodynamic Monitor (Chronicle® IHM), and IHM in combination with single chamber ICD (Chronicle ICD)
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
442 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2011
U.S. locations
52
States / cities
Birmingham, Alabama • La Jolla, California • Loma Linda, California + 43 more