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ClinicalTrials.gov public records Last synced May 22, 2026, 12:33 AM EDT

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

Showing 1–24 of 38 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Tachyarrhythmia Clear all
Recruiting Not applicable Interventional
View directory record Official record
Conditions
Tachyarrhythmia
Interventions
Eko Duo electronic stethoscope, CORE 500 electronic stethoscope
Device
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
Up to 1 Year
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Mar 11, 2026 · Synced May 22, 2026, 12:33 AM EDT
Enrolling by invitation No phase listed Observational
View directory record Official record
Conditions
Tachyarrhythmia
Interventions
defibrillation lead
Device
Lead sponsor
Medtronic
Industry
Eligibility
Not listed
Enrollment
2,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2032
U.S. locations
46
States / cities
Birmingham, Alabama • Torrance, California • Aurora, Colorado + 39 more
Source: ClinicalTrials.gov public record
Updated Apr 26, 2026 · Synced May 22, 2026, 12:33 AM EDT
Not listed Not applicable Interventional
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
FIRM Ablation, Conventional AF ablation with PVI
Procedure
Lead sponsor
University of California, San Diego
Other
Eligibility
21 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
2
States / cities
Palo Alto, California • San Diego, California
Source: ClinicalTrials.gov public record
Updated Jun 3, 2021 · Synced May 22, 2026, 12:33 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
CRM Device
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
5,379 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2012
U.S. locations
1
States / cities
Sylmar, California
Source: ClinicalTrials.gov public record
Updated Feb 3, 2019 · Synced May 22, 2026, 12:33 AM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Sudden Cardiac Death, Bradycardia
Interventions
AV Therapy Assessment-B301 investigational device
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
211 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2011
U.S. locations
36
States / cities
Anchorage, Alaska • Larkspur, California • Orlando, Florida + 32 more
Source: ClinicalTrials.gov public record
Updated Jul 31, 2017 · Synced May 22, 2026, 12:33 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Congestive Heart Failure, Atrial Arrhythmia, Atrial Tachyarrhythmia, Atrial Fibrillation
Interventions
Cardiac Resynchronization Therapy+Implantable Cardioverter Defibrillator
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
270 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
30
States / cities
Anchorage, Alaska • Phoenix, Arizona • Santa Monica, California + 27 more
Source: ClinicalTrials.gov public record
Updated Sep 24, 2008 · Synced May 22, 2026, 12:33 AM EDT
Completed Phase 3 Interventional Results available
View directory record Official record
Conditions
Drug Refractory Symptomatic Paroxysmal Atrial Fibrillation
Interventions
THERMOCOOL® SMARTTOUCH™ Catheter
Device
Lead sponsor
Biosense Webster, Inc.
Industry
Eligibility
18 Years and older
Enrollment
148 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
20
States / cities
Birmingham, Alabama • Stanford, California • Orlando, Florida + 16 more
Source: ClinicalTrials.gov public record
Updated May 14, 2018 · Synced May 22, 2026, 12:33 AM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Atrial Fibrillation, Tachycardia, Supraventricular, Arrhythmia, Bradycardia
Interventions
Intervention Pacing Features
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
Not listed
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2011
U.S. locations
34
States / cities
Little Rock, Arkansas • Rancho Mirage, California • San Diego, California + 31 more
Source: ClinicalTrials.gov public record
Updated Aug 7, 2012 · Synced May 22, 2026, 12:33 AM EDT
Not listed Not applicable Interventional
View directory record Official record
Conditions
Myocardial Infarction, Tachyarrhythmia
Interventions
Parasym device (active, current (mA) < discomfort threshold), Parasym device (sham, current (mA) = 0)
Device
Lead sponsor
Hippocration General Hospital
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Feb 28, 2023 · Synced May 22, 2026, 12:33 AM EDT
Terminated Phase 2 Interventional
View directory record Official record
Conditions
Arrhythmia
Interventions
GAP-486 (ZP-123), 0.9% Sodium Chloride, USP
Drug
Lead sponsor
Wyeth is now a wholly owned subsidiary of Pfizer
Industry
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
19
States / cities
Sacramento, California • San Francisco, California • Washington D.C., District of Columbia + 15 more
Source: ClinicalTrials.gov public record
Updated Dec 9, 2007 · Synced May 22, 2026, 12:33 AM EDT
Not listed Phase 1Phase 2 Interventional
View directory record Official record
Conditions
Atrial Tachyarrhythmia, Atrial Fibrillation
Interventions
Reactive ATP
Device
Lead sponsor
Hartford Hospital
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Hartford, Connecticut
Source: ClinicalTrials.gov public record
Updated Dec 22, 2016 · Synced May 22, 2026, 12:33 AM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Atrial Fibrillation, Alcohol
Interventions
Ethanol, Placebo
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
21 Years to 81 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2020
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Mar 15, 2021 · Synced May 22, 2026, 12:33 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Ventricular Tachyarrhythmias
Interventions
Not listed
Lead sponsor
University of California, San Diego
Other
Eligibility
21 Years to 90 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
2
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Nov 17, 2019 · Synced May 22, 2026, 12:33 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Tachyarrhythmias, Atrial Fibrillation
Interventions
OptiSense Lead, Tendril Lead
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
2
States / cities
Akron, Ohio • Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 3, 2019 · Synced May 22, 2026, 12:33 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Ischemic Cardiomyopathy, Nonischemic Cardiomyopathy, Heart Failure
Interventions
Not listed
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
134 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 7, 2015 · Synced May 22, 2026, 12:33 AM EDT
Completed No phase listed Observational
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 20, 2015 · Synced May 22, 2026, 12:33 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Tachyarrhythmia
Interventions
Defibrillation (RV Implant), Defibrillation (LBBAP Implant)
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
12 Years and older
Enrollment
998 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
23
States / cities
Huntsville, Alabama • Torrance, California • Hartford, Connecticut + 19 more
Source: ClinicalTrials.gov public record
Updated Dec 8, 2025 · Synced May 22, 2026, 12:33 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Arrhythmias
Interventions
Peripheral blood sampling
Procedure
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2018
U.S. locations
2
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 11, 2019 · Synced May 22, 2026, 12:33 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Bradycardia, Atrial Tachyarrhythmia
Interventions
Use of a Tablet, Use of a Smart Phone
Device
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
2
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Nov 8, 2017 · Synced May 22, 2026, 12:33 AM EDT
Not listed Phase 3 Interventional
View directory record Official record
Conditions
Sudden Cardiac Death, Ventricular Tachycardia, Ventricular Fibrillation, Cardiomyopathy
Interventions
Cardiac Sympathetic Denervation (CSD), Routine Care
Procedure · Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
3
States / cities
Los Angeles, California • Portland, Oregon • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 18, 2024 · Synced May 22, 2026, 12:33 AM EDT
Completed No phase listed Observational Results available
View directory record Official record
Conditions
Atrial Fibrillation, Atrial Tachyarrhythmia
Interventions
Not listed
Lead sponsor
University of California, San Diego
Other
Eligibility
21 Years to 80 Years
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
2
States / cities
La Jolla, California • San Diego, California
Source: ClinicalTrials.gov public record
Updated Feb 7, 2017 · Synced May 22, 2026, 12:33 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Atrial Fibrillation, Atrial Tachycardia, Atrial Flutter, Arrhythmias, Cardiac
Interventions
No Intervention. Test is computer algorithm.
Diagnostic Test
Lead sponsor
Stanford University
Other
Eligibility
21 Years to 80 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Dec 1, 2024 · Synced May 22, 2026, 12:33 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Conventional AF Ablation with PVI, FIRM-guided ablation plus PVI
Procedure
Lead sponsor
Stanford University
Other
Eligibility
22 Years and older
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2025
U.S. locations
2
States / cities
San Diego, California • Stanford, California
Source: ClinicalTrials.gov public record
Updated Mar 3, 2025 · Synced May 22, 2026, 12:33 AM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Tachyarrhythmias, Heart Failure, Ventricular Dysfunction
Interventions
Protecta VR-ICD, Protecta DR-ICD or CRT-D
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
Not listed
Enrollment
2,770 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
29
States / cities
Birmingham, Alabama • Mesa, Arizona • Fort Smith, Arkansas + 26 more
Source: ClinicalTrials.gov public record
Updated Nov 5, 2017 · Synced May 22, 2026, 12:33 AM EDT