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ClinicalTrials.gov public records Last synced Nov 13, 2026, 5:40 AM EST

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Showing 25–48 of 206 matching trials from the live ClinicalTrials.gov search.

Filters: Condition: Implantable Defibrillator Clear all

Conditions: Cardiac Implantable Electronic Device Infection
Interventions: Not listed
Lead sponsor: TYRX, Inc.; Industry
Eligibility: 18 Years and older
Enrollment: 1,262 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2010 – 2015
U.S. locations: 52
States / cities: Birmingham, Alabama • Decatur, Alabama • Florence, Alabama + 44 more

Conditions: Congestive Heart Failure
Interventions: Paradym CRT + Physiological Diagnosis (PhD); Device
Lead sponsor: ELA Medical, Inc.; Industry
Eligibility: 18 Years and older
Enrollment: 520 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2009 – 2013
U.S. locations: 1
States / cities: Mesa, Arizona

Conditions: Heart Failure
Interventions: LMI 1195-101; Drug
Lead sponsor: Lantheus Medical Imaging; Industry
Eligibility: 18 Years to 70 Years
Enrollment: 12 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2009
U.S. locations: 2
States / cities: Hartford, Connecticut • New Haven, Connecticut

Conditions: Device:MRI
Interventions: Device: MRI; Device
Lead sponsor: Johns Hopkins University; Other
Eligibility: 9 Years to 100 Years
Enrollment: 4,500 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2015 – 2027
U.S. locations: 1
States / cities: Baltimore, Maryland

Conditions: Ventricular Tachycardia
Interventions: MRI guided VT ablation, Increased dose of amiodarone; Procedure · Drug
Lead sponsor: Johns Hopkins University; Other
Eligibility: 18 Years to 99 Years
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2012 – 2015
U.S. locations: 1
States / cities: Portland, Oregon

Conditions: Ventricular Tachycardia, Ventricular Fibrillation, Cardiomyopathy, Long QT Syndrome, Congenital Heart Disease
Interventions: ICD lead implant, Thin leads; Device
Lead sponsor: Charles Berul; Other
Eligibility: 1 Year to 55 Years
Enrollment: 748 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2006 – 2009
U.S. locations: 1
States / cities: Boston, Massachusetts

Conditions: Arrhythmias, Cardiac
Interventions: MRI Scan; Device
Lead sponsor: Essentia Health; Other
Eligibility: 18 Years and older
Enrollment: 124 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2012 – 2018
U.S. locations: 1
States / cities: Duluth, Minnesota

Conditions: Patients With a Generation 2 Medtronic Implantable Cardioverter-defibrillator(ICD)
Interventions: Not listed
Lead sponsor: Englewood Hospital and Medical Center; Other
Eligibility: 18 Years and older
Enrollment: 100 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2012 – 2015
U.S. locations: 1
States / cities: Englewood, New Jersey

Conditions: Heart Failure, Tachycardia, Ventricular
Interventions: St. Jude Medical Optisure Lead; Device
Lead sponsor: Abbott Medical Devices; Industry
Eligibility: 18 Years and older
Enrollment: 1,735 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2014 – 2020
U.S. locations: 46
States / cities: Birmingham, Alabama • Phoenix, Arizona • Jonesboro, Arkansas + 42 more

Conditions: Anxiety Disorder in Conditions Classified Elsewhere
Interventions: mindfulness based intervention (MBI), usual care; Behavioral
Lead sponsor: University of Massachusetts, Worcester; Other
Eligibility: 21 Years and older
Enrollment: 46 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2009 – 2011
U.S. locations: 1
States / cities: Worcester, Massachusetts

Conditions: Heart Failure
Interventions: Cardiac Resynchronization Therapy (CRT) Device or Implantable Cardioverter Defibrillator (ICD) with CRT; Device
Lead sponsor: Medtronic Cardiac Rhythm and Heart Failure; Industry
Eligibility: 18 Years and older
Enrollment: 684 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2004 – 2011
U.S. locations: 34
States / cities: Huntsville, Alabama • Anchorage, Alaska • Redwood City, California + 31 more

Conditions: Defibrillators, Implantable
Interventions: Not listed
Lead sponsor: University of California, San Francisco; Other
Eligibility: Not listed
Enrollment: 100 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2008 – 2009
U.S. locations: 1
States / cities: San Francisco, California

Conditions: Heart Failure, Systolic
Interventions: MRI; Other
Lead sponsor: Kenneth Bilchick, MD; Other
Eligibility: 25 Years to 85 Years
Enrollment: 40 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2016 – 2018
U.S. locations: 1
States / cities: Charlottesville, Virginia

Conditions: Implantable Cardioverter-Defibrillator, Health Information Exchange, Electronic Health Records, Patient Participation
Interventions: Receive Detailed ICD Information-electronic, Receive Detailed ICD Information-paper; Other
Lead sponsor: Parkview Hospital, Indiana; Other
Eligibility: 18 Years and older
Enrollment: 191 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2014 – 2015
U.S. locations: 1
States / cities: Fort Wayne, Indiana

Conditions: Arrhythmia, Quality of Life, Hypomagnesemia
Interventions: Magnesium L-lactate; Drug
Lead sponsor: Hartford Hospital; Other
Eligibility: 18 Years and older
Enrollment: 240 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2006 – 2008
U.S. locations: 1
States / cities: Hartford, Connecticut

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

Conditions: Arrhythmias
Interventions: azimilide dihydrochloride; Drug
Lead sponsor: Forest Laboratories; Industry
Eligibility: 18 Years and older
Enrollment: 330 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2002 – 2005
U.S. locations: 50
States / cities: Mobile, Alabama • Little Rock, Arkansas • La Jolla, California + 43 more

Conditions: Implantable Defibrillator User
Interventions: Not listed
Lead sponsor: Biotronik, Inc.; Industry
Eligibility: 18 Years and older
Enrollment: 1,694 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2014 – 2019
U.S. locations: 68
States / cities: Gadsden, Alabama • Avondale, Arizona • Glendale, Arizona + 65 more

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: ICD, Pacemaker DDD, Adherence, Patient
Interventions: Postcard; Other
Lead sponsor: US Department of Veterans Affairs; Federal
Eligibility: Not listed
Enrollment: 6,351 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2020 – 2022
U.S. locations: 1
States / cities: San Francisco, California

Conditions: Shared Decision-making
Interventions: Arm A: Online, patient-facing decision-making aid (app) with personalized risk information., Arm B - Online, patient-facing decision-making app without personalized risk information., Arm C - Usual Care/No Device; Device · Other
Lead sponsor: Stanford University; Other
Eligibility: 60 Years and older
Enrollment: 600 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2026 – 2028
U.S. locations: 2
States / cities: San Francisco, California • Greenville, North Carolina

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: Cardiomyopathy, Cardiac Arrhythmia, Heart Failure, Chronic Thromboembolic Pulmonary Hypertension
Interventions: RF Assure Scanning; Device
Lead sponsor: University of California, San Diego; Other
Eligibility: 18 Years and older
Enrollment: 50 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2014 – 2015
U.S. locations: 1
States / cities: La Jolla, California

Conditions: Myocardial Infarction, Sudden Death
Interventions: Implantable Cardioverter Defibrillator + Usual Care, Usual care; Device · Other
Lead sponsor: University of Calgary; Other
Eligibility: 18 Years to 80 Years
Enrollment: 700 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2011 – 2024
U.S. locations: 29
States / cities: Huntsville, Alabama • Lakewood, Colorado • Tampa, Florida + 23 more

Search by objective public record fields.

TYRX™ Envelope for Prevention of Infection Following Replacement With a CRT or ICD

Evaluation of a Diagnostic Feature in a Cardiac Resynchronization Therapy (CRT) Device

A Phase 1 Trial to Determine Dosimetry, Biodistribution and Safety of LMI 1195-101 in Healthy Subjects and Patients With Heart Failure

Magnetic Resonance Imaging (MRI) in Patients With Pacemakers and Implanted Cardioverter Defibrillators

Anti-arrhythmic Medication v. MRI-Merge Ablation in the Treatment of Ventricular Tachycardia

Pediatric Lead Extractability and Survival Evaluation (PLEASE)

Study to Monitor Patients With Pacemakers or ICDs Who Undergo MRI Scans

Utility of the Audible Alert in Current Generation Medtronic Implantable Cardioverter-defibrillators

Optisure Lead Post Approval Study

A Mindfulness-based Intervention for Treatment of Anxiety in ICD (Implantable Cardioverter Defibrillator) Patients

REsynchronization reVErses Remodeling in Systolic Left vEntricular Dysfunction (REVERSE)

Patient Expectations After Implantable-cardioverter Defibrillator (ICD) Implantation

Cardiac Magnetic Resonance Imaging After Cardiac Resynchronization Therapy

Electronic Patient Notification of Remote ICD Data: Impact of Patient Engagement on Outcomes in the Merlin.Net™

Magnesium to Reduce Implantable Cardioverter Defibrillator (ICD) Shocks and Improve Patient's Quality of Life.

Reducing Decompensation Events Utilizing Intracardiac Pressures in Patients With Chronic Heart Failure (HF) (REDUCEhf)

Long Term Safety of 125 mg Per Day of Oral Azimilide in Patients With Implantable Cardioverter Defibrillator (ICDs)

Protego DF4 Post Approval Registry

A Randomised Trial of S-ICD Implantation With and Without Defibrillation Testing

Postcards to Improve Remote Monitoring Adherence Among Veterans

Evaluating a Digital Aid to Improve ICD Decisions

Reduce Ventricular Pacing in Dual Chamber Implantable Cardioverter Defibrillators Using AutoIntrinsic Conduction Search Study

RF Surgical Sponge-Detecting System on the Function of Pacemakers and Implantable Cardioverter Defibrillators

Efficacy of Implantable Defibrillator Therapy After a Myocardial Infarction