Independent directory Public ClinicalTrials.gov records United States
Clear filters
ClinicalTrials.gov public records Last synced Sep 13, 2026, 12:50 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Atrial Fibrillation
Interventions
Not listed
Lead sponsor
Vanderbilt University
Other
Eligibility
21 Years and older
Enrollment
219 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Congestive Heart Failure
Interventions
Cardiac Resynchronization Therapy with & without defibrillator
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
2,200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2002
U.S. locations
1
States / cities
Saint Paul, Minnesota
Conditions
Postoperative Atrial Fibrillation
Interventions
Amiodarone, DC-cardioversion, Rate Control
Drug · Procedure
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
523 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
17
States / cities
Los Angeles, California • Atlanta, Georgia • Baltimore, Maryland + 13 more
Conditions
Atrial Fibrillation
Interventions
Intra-Cardiac Echocardiography guided Cardioversion, Intracardiac Echo, ICE
Device
Lead sponsor
EP MedSystems
Industry
Eligibility
18 Years and older
Enrollment
95 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
5
States / cities
Jacksonville, Florida • Chicago, Illinois • Urbana, Illinois + 2 more
Conditions
Pain
Interventions
lidocaine, Placebo
Drug
Lead sponsor
Drexel University College of Medicine
Other
Eligibility
18 Years to 80 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Cardiac Disease
Interventions
Amiodarone, Cardioversion
Drug · Procedure
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 100 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
New York, New York
Conditions
Ventricular Fibrillation, Cardiac Arrest
Interventions
Automated external defibrillator (Philips FR2+ AED), SmartCPR, Delayed defibrillation
Device · Other
Lead sponsor
New York City Fire Department
Government
Eligibility
Not listed
Enrollment
900 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
New York, New York
Conditions
Pacemaker Malfunction
Interventions
Not listed
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
117 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
5
States / cities
Los Angeles, California • Des Moines, Iowa • Saint Paul, Minnesota + 2 more
Conditions
Ventricular Fibrillation
Interventions
Simulation-Based Training
Behavioral
Lead sponsor
St. Luke's-Roosevelt Hospital Center
Other
Eligibility
18 Years and older
Enrollment
157 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
New York, New York
Completed No phase listed Observational

Lead Extract Study

NCT01169441
Conditions
Cardiac Surgical Procedures
Interventions
Not listed
Lead sponsor
St. Paul Heart Clinic
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Saint Paul, Minnesota
Completed No phase listed Observational Accepts healthy volunteers

Comparison of Fixed Tilt and Tuned Waveforms in Right-sided Implants

NCT00873691
Conditions
Healthy
Interventions
ICD
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
129 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Cleveland, Ohio
Conditions
Atrial Fibrillation
Interventions
ICD with DX system
Device
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years and older
Enrollment
450 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
8
States / cities
Birmingham, Alabama • Boston, Massachusetts • New York, New York + 5 more
Conditions
ICD
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Ventricular Tachycardia, Ventricular Fibrillation
Interventions
Implantable Cardioverter Defibrillator (ICD)
Procedure
Lead sponsor
OhioHealth
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Columbus, Ohio
Completed No phase listed Observational Results available

LifeVest Trends Validation Protocol

NCT02149290
Conditions
Heart Failure
Interventions
Trends-equipped LifeVest 4000
Device
Lead sponsor
Zoll Medical Corporation
Industry
Eligibility
18 Years and older
Enrollment
198 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
13
States / cities
Orange, California • Boca Raton, Florida • Lawrenceville, Georgia + 10 more
Conditions
Atrial Fibrillation
Interventions
Enoxaparin
Drug
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2004
U.S. locations
1
States / cities
Cleveland, Ohio
Conditions
Cardiac Arrest
Interventions
Rapid cardiac arrest recognition that triggers immediate priority EMS/first responder dispatch by 911 operators, Systematic bystander resuscitation instruction by 911 operators, Comprehensive community training of lay people in CPR and AED use., Optimized first responder performance including earlier use of AEDs.
Other
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
20,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
Atrial Fibrillation
Interventions
Carotid Ultrasound
Diagnostic Test
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 95 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Ventricular Arrythmia
Interventions
ommitence of defibrillation testing
Procedure
Lead sponsor
Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA)
Other
Eligibility
18 Years and older
Enrollment
965 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
7
States / cities
Orlando, Florida • Atlanta, Georgia • Chicago, Illinois + 3 more
Conditions
Atrial Fibrillation, Atrial Flutter
Interventions
Propofol, Methohexital
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
73 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Completed No phase listed Observational Results available

Precise Measurement of Pediatric Defibrillation Thresholds

NCT01043562
Conditions
Pediatrics, Defibrillators, Implantable
Interventions
Defibrillator threshold testing, Observation of post-shock intrinsic cardiac rhythm
Diagnostic Test · Other
Lead sponsor
Boston Children's Hospital
Other
Eligibility
Not listed
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Cardiac Arrest
Interventions
amiodarone, Lidocaine, Normal saline
Drug · Other
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
3,024 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
7
States / cities
Birmingham, Alabama • San Diego, California • Portland, Oregon + 4 more
Active, not recruiting No phase listed Observational

Enlighten Study: The EV-ICD Post Approval Registry

NCT06048731
Conditions
Ventricular Arrhythmia, Tachycardia
Interventions
Defibrillation using EV-ICD
Device
Lead sponsor
Medtronic
Industry
Eligibility
Not listed
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2037
U.S. locations
57
States / cities
Huntington Park, California • Redwood City, California • San Diego, California + 45 more
Completed Not applicable Interventional Results available

The Effect of an Azygos Vein Coil on Defibrillation Threshold

NCT00798174
Conditions
Heart Failure
Interventions
Standard configuration vs. azygos coil
Device
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
St Louis, Missouri