- Conditions
- Ventricular Pacing With Rate Response, Bradycardia
- Interventions
- Calyan Pacemaker
- Device
- Lead sponsor
- Calyan Technologies
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 10 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2027
- U.S. locations
- 1
- States / cities
- Minneapolis, Minnesota
Search Results
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Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.
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Showing 1–24
of 312
matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
- 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
- ISCHEMIC CARDIOMYOPATHY
- Interventions
- 'SEEMORE' - MANGANESE-ENHANCED MRI CONTRAST REAGENT
- Drug
- Lead sponsor
- Stanford University
- Other
- Eligibility
- 18 Years to 70 Years
- Enrollment
- 6 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2013
- U.S. locations
- 1
- States / cities
- Stanford, California
- Conditions
- Refractory Ventricular Tachycardia
- Interventions
- Saline Enhanced Radiofrequency (SERF) Ablation
- Device
- Lead sponsor
- Thermedical, Inc.
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 130 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2027
- U.S. locations
- 5
- States / cities
- Birmingham, Alabama • Philadelphia, Pennsylvania • Charleston, South Carolina + 2 more
- Conditions
- Tetralogy of Fallot, Ventricular Tachycardia, Sudden Cardiac Death
- Interventions
- Electroanatomic substrate mapping
- Diagnostic Test
- Lead sponsor
- Boston Children's Hospital
- Other
- Eligibility
- Not listed
- Enrollment
- 60 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2024
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Heart Failure
- Interventions
- Not listed
- Lead sponsor
- The Guthrie Clinic
- Other
- Eligibility
- 18 Years and older
- Timeline
- 2020 – 2021
- U.S. locations
- 1
- States / cities
- Sayre, Pennsylvania
- Conditions
- Ventricular Ejection Fraction, LVF, LV Dysfunction, Atrial Enlargement, Conduction Defect, Heart Failure, Valvular Heart Disease, Ischemic Heart Disease, Cardiotoxicity, Myocardial Infarction, Dilated Cardiomyopathy, HFrEF - Heart Failure With Reduced Ejection Fraction, HFpEF - Heart Failure With Preserved Ejection Fraction, Syncope, Remodeling, Cardiac
- Interventions
- 15-minutes of sitting during COR ECG Acquistion
- Device
- Lead sponsor
- Peerbridge Health, Inc
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 2,000 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024 – 2027
- U.S. locations
- 8
- States / cities
- Orange, California • Pasadena, California • Detroit, Michigan + 5 more
- Conditions
- Paroxysmal Supraventricular Tachycardia
- Interventions
- Etripamil, Placebo, Etripamil Test Dose
- Drug
- Lead sponsor
- Milestone Pharmaceuticals Inc.
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 1,097 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2023
- U.S. locations
- 54
- States / cities
- Phoenix, Arizona • Little Rock, Arkansas • Cerritos, California + 44 more
- Conditions
- Heart Failure, Heart Failure With Reduced Ejection Fraction, AV Block, LBBB, RBBB, Intraventricular Conduction Delay, Pacing-Induced Cardiomyopathy
- Interventions
- His/LBBP, BiVP
- Device
- Lead sponsor
- Baylor College of Medicine
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 2,136 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2029
- U.S. locations
- 57
- States / cities
- Gilbert, Arizona • Tucson, Arizona • Little Rock, Arkansas + 46 more
- Conditions
- Cardiac Arrest, Sudden Cardiac Death, Ventricular Fibrillation, Tachycardia, Ventricular
- Interventions
- Epinephrine, Metoprolol
- Drug
- Lead sponsor
- David Haines, MD
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 7 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2007 – 2012
- U.S. locations
- 1
- States / cities
- Royal Oak, Michigan
- Conditions
- Atrioventricular Conduction Block
- Interventions
- MARVEL 2 Algorithm Monitor Mode then Adaptive Mode
- Device
- Lead sponsor
- Medtronic Cardiac Rhythm and Heart Failure
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 77 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019
- U.S. locations
- 5
- States / cities
- Jacksonville, Florida • Miami, Florida • Manhasset, New York + 2 more
- Conditions
- Long qt Syndrome, Torsade de Pointes
- Interventions
- Not listed
- Lead sponsor
- Massachusetts General Hospital
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 11 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2013 – 2019
- U.S. locations
- 4
- States / cities
- Boston, Massachusetts • West Roxbury, Massachusetts
- Conditions
- Ventricular Tachycardia
- Interventions
- Not listed
- Lead sponsor
- Mid and South Essex NHS Foundation Trust
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 70 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2024
- U.S. locations
- 1
- States / cities
- Philadelphia, Pennsylvania
- Conditions
- Ventricular Tachycardia
- Interventions
- Unpinning Termination therapy
- Device
- Lead sponsor
- Cardialen, Inc.
- Industry
- Eligibility
- 18 Years to 80 Years
- Enrollment
- 6 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2022
- U.S. locations
- 7
- States / cities
- Sacramento, California • Des Moines, Iowa • Minneapolis, Minnesota + 3 more
- Conditions
- Aortic Stenosis, Heart Block, Aortic Insufficiency
- Interventions
- Electrophysiology Study
- Diagnostic Test
- Lead sponsor
- Henry Ford Health System
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 126 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2022
- U.S. locations
- 1
- States / cities
- Detroit, Michigan
- Conditions
- Heart Failure, Ventricular Dysfunction, Sudden Death, Sudden Cardiac Arrest, Ventricular Tachycardia, Ventricular Fibrillation
- Interventions
- wearable defibrillator (LifeVest)
- Device
- Lead sponsor
- Zoll Medical Corporation
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 25 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2017
- U.S. locations
- 1
- States / cities
- Rochester, New York
- Conditions
- Atrial Fibrillation, Aortic Valve Stenosis
- Interventions
- WATCHMAN, TAVR
- Device
- Lead sponsor
- samir kapadia
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 350 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2022
- U.S. locations
- 32
- States / cities
- Phoenix, Arizona • Burlingame, California • Santa Barbara, California + 27 more
- Conditions
- Heart Failure, Nonischemic Cardiomyopathy, Ischemic Cardiomyopathy, Ventricular Arrhythmia, Complications; Device, Cardiac
- Interventions
- Not listed
- Lead sponsor
- American College of Cardiology
- Other
- Eligibility
- Not listed
- Enrollment
- 1,750 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2005 – 2030
- U.S. locations
- 1
- States / cities
- Washington D.C., District of Columbia
- Conditions
- Sudden Cardiac Death, Ventricular Arrythmias
- Interventions
- Ranolazine, Placebo
- Drug
- Lead sponsor
- Aspirus Heart and Vascular Institute-Research and Education
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 7 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2010
- U.S. locations
- 1
- States / cities
- Wausau, Wisconsin
- Conditions
- Bradycardia
- Interventions
- Intervention/treatment
- Device
- Lead sponsor
- Abbott Medical Devices
- Industry
- Eligibility
- 18 Years to 100 Years
- Enrollment
- 135 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2006 – 2008
- U.S. locations
- 1
- States / cities
- Sylmar, California
- Conditions
- Atrial Fibrillation, Ventricular Tachycardia, Premature Ventricular Contraction
- Interventions
- Not listed
- Lead sponsor
- Vanderbilt University Medical Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 200 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2029
- U.S. locations
- 1
- States / cities
- Nashville, Tennessee
- Conditions
- Arrhythmia
- Interventions
- Autointrinsic Conduction Search Algorithm
- Device
- Lead sponsor
- Abbott Medical Devices
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 157 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2005 – 2007
- U.S. locations
- 1
- States / cities
- Pomona, New Jersey
- Conditions
- Atrial Fibrillation, Persistent
- Interventions
- active taVNS, sham-taVNS
- Device
- Lead sponsor
- Burrell College of Health Sciences
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 30 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2025
- U.S. locations
- 1
- States / cities
- Las Cruces, New Mexico
- Conditions
- Ventricular Arrhythmias
- Interventions
- spironolactone, placebo
- Drug
- Lead sponsor
- VA Office of Research and Development
- Federal
- Eligibility
- 18 Years and older
- Enrollment
- 90 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2004 – 2008
- U.S. locations
- 1
- States / cities
- Portland, Oregon