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Showing 1–24 of 197 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Implant Failure Clear all
Not listed Phase 1 Interventional

MYOHEART™ (Myogenesis Heart Efficiency and Regeneration Trial)

NCT00054678
View directory record Official record
Conditions
Congestive Heart Failure, Coronary Artery Disease, Myocardial Infarction
Interventions
MyoCell™, MyoCath™
Drug · Device
Lead sponsor
Bioheart, Inc.
Industry
Eligibility
30 Years to 80 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2007
U.S. locations
5
States / cities
Sunrise, Florida • Atlanta, Georgia • Minneapolis, Minnesota + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 14, 2007 · Synced Sep 10, 2026, 11:38 PM EDT
Completed Not applicable Interventional

Correlating QLV Interval to Left Ventricular (LV) Lead Position in Patients Receiving Cardiac Resynchronization Therapy.

NCT02166762
View directory record Official record
Conditions
Heart Failure, Cardiomyopathy, Cardiac Arrhythmia
Interventions
QLV interval measurement
Procedure
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Jun 6, 2019 · Synced Sep 10, 2026, 11:38 PM EDT
Completed Not applicable Interventional Results available

NHLBI DIR LAMPOON Study: Intentional Laceration of the Anterior Mitral Leaflet to Prevent Left Ventricular Outflow Tract Obstruction During Transcatheter Mitral Valve Implantation

NCT03015194
View directory record Official record
Conditions
Mitral Valve Failure
Interventions
Edwards SAPIEN 3 transcatheter heart valve, ASHI INTECC Astato XS 20
Device
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
21 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
6
States / cities
Washington D.C., District of Columbia • Atlanta, Georgia • Detroit, Michigan + 3 more
Source: ClinicalTrials.gov public record
Updated Aug 14, 2023 · Synced Sep 10, 2026, 11:38 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Ultrasound-guided Peripheral Intravenous Catheter Insertion Technique

NCT04218643
View directory record Official record
Conditions
Catheterization, Peripheral Venous, Phlebitis, Infiltration
Interventions
Ultrasound-guided technique, Standard technique
Other
Lead sponsor
The Reading Hospital and Medical Center
Other
Eligibility
18 Years and older
Enrollment
227 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
West Reading, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 29, 2023 · Synced Sep 10, 2026, 11:38 PM EDT
Completed Not applicable Interventional

Improvement in Clinical Outcomes in Heart Failure Patients With ICDs That Practice Meditation

NCT00611260
View directory record Official record
Conditions
Congestive Heart Failure, Cardiac Resynchronization Therapy
Interventions
Vipassana Meditation practice and instruction, Standard Medical Care
Behavioral · Other
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years to 85 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated May 29, 2017 · Synced Sep 10, 2026, 11:38 PM EDT
Recruiting Not applicable Interventional

Alleviant ALLAY-HF Study

NCT05685303
View directory record Official record
Conditions
Heart Failure
Interventions
Alleviant ALV1 System, Sham-Control
Device · Other
Lead sponsor
Alleviant Medical, Inc.
Industry
Eligibility
40 Years and older
Enrollment
700 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2032
U.S. locations
56
States / cities
Phoenix, Arizona • Scottsdale, Arizona • Tucson, Arizona + 50 more
Source: ClinicalTrials.gov public record
Updated Aug 13, 2026 · Synced Sep 10, 2026, 11:38 PM EDT
Completed Not applicable Interventional

Exergaming in Advanced HF With Multiple Chronic Conditions Prior to LVAD Implantation or Heart Transplant

NCT03580759
View directory record Official record
Conditions
Heart-Assist Devices, Heart Failure NYHA Class IV, Exercise Training
Interventions
PREHAB
Behavioral
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Sep 28, 2023 · Synced Sep 10, 2026, 11:38 PM EDT
Not listed Not applicable Interventional

Endometrial Biopsy Prior to IVF in Those Patients With Prior Implantation Failure

NCT01800513
View directory record Official record
Conditions
Implantation Failure, Infertility
Interventions
Endometrial Biopsy, Sham Procedure
Procedure
Lead sponsor
Shady Grove Fertility Reproductive Science Center
Other
Eligibility
18 Years to 37 Years · Female only
Enrollment
254 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Rockville, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 26, 2013 · Synced Sep 10, 2026, 11:38 PM EDT
Recruiting No phase listed Observational

Prospective Observational Study of the ICD in Sudden Cardiac Death Prevention

NCT00733590
View directory record Official record
Conditions
Heart Failure, Congestive, Death, Sudden, Cardiac, Arrhythmia, Cardiomyopathies
Interventions
Not listed
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 85 Years
Enrollment
1,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2029
U.S. locations
4
States / cities
Washington D.C., District of Columbia • Baltimore, Maryland • Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Jan 19, 2026 · Synced Sep 10, 2026, 11:38 PM EDT
Completed Not applicable Interventional

Left Atrial Pressure Monitoring to Optimize Heart Failure Therapy

NCT01121107
View directory record Official record
Conditions
Heart Failure
Interventions
Left Atrial Pressure Monitoring System, Patient Advisory Module
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
486 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
63
States / cities
Phoenix, Arizona • Fullerton, California • Glendale, California + 51 more
Source: ClinicalTrials.gov public record
Updated Jul 20, 2023 · Synced Sep 10, 2026, 11:38 PM EDT
Completed No phase listed Observational

Individual Blood Pressure Optimization Based on Cerebral Autoregulation After Implantation of Continuous-flow LVAD

NCT03093012
View directory record Official record
Conditions
Heart-Assist Devices, Heart Failure
Interventions
Not listed
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years and older
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 24, 2022 · Synced Sep 10, 2026, 11:38 PM EDT
Recruiting Phase 4 Interventional

Safety and Efficacy of ARNI After LVAD ImplanT (SEAL-IT) Study

NCT04191681
View directory record Official record
Conditions
Stage D Heart Failure
Interventions
Sacubitril-Valsartan, Usual care (standard-of-care) arm
Drug
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 6, 2021 · Synced Sep 10, 2026, 11:38 PM EDT
Completed No phase listed Observational

Reverse Electrical Remodeling of Native Conduction in Cardiac Resynchronization Therapy

NCT01924221
View directory record Official record
Conditions
Heart Failure, Patients Undergoing CRT-D Device Implantation
Interventions
Not listed
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 100 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2022
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 29, 2022 · Synced Sep 10, 2026, 11:38 PM EDT
Completed Not applicable Interventional Results available

Evaluating Myocardial Injury for Defibrillation Threshold Testing Methods for ICD Implantation

NCT02111993
View directory record Official record
Conditions
Cardiomyopathy, Heart Failure, Cardiac Arrhythmia
Interventions
Standard Defibrillation Testing, Upper Limit of Vulnerability Testing
Device
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated May 21, 2019 · Synced Sep 10, 2026, 11:38 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Advancing Understanding of Transportation Options

NCT04141891
View directory record Official record
Conditions
Diabetic Retinopathy, Macular Degeneration, Glaucoma, Retinitis Pigmentosa, Vision Disorders, Acute Coronary Syndrome, Implantable Defibrillator User, Congestive Heart Failure, Hypertrophic Obstructive Cardiomyopathy, Orthostatic Hypotension, Syncope, Presyncope, Narcolepsy, Dementia, Multiple Sclerosis, Parkinson Disease, Brain Injuries, Spinal Cord Injuries, Stroke, Vertigo, Dizziness, Seizures, Substance Use, Insulin Dependent Diabetes Mellitus, Arthritis, Foot--Abnormalities, Chronic Obstructive Pulmonary Disease, Obstructive Sleep Apnea, End Stage Renal Disease, Sleep Apnea, Insomnia, Restless Legs Syndrome
Interventions
Driving Decision Aid, Older Drivers Website
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older
Enrollment
529 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
3
States / cities
La Jolla, California • Aurora, Colorado • Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Feb 20, 2025 · Synced Sep 10, 2026, 11:38 PM EDT
Terminated Not applicable Interventional

A Pilot Study To Evaluate The CreatiVasc Hemoaccess Valve System In Patients Requiring Arteriovenous Graft Placement

NCT01644526
View directory record Official record
Conditions
End Stage Renal Disease
Interventions
Hemoaccess Valve System
Device
Lead sponsor
Diaxamed LLC
Industry
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Greenville, South Carolina
Source: ClinicalTrials.gov public record
Updated Feb 4, 2018 · Synced Sep 10, 2026, 11:38 PM EDT
Terminated Phase 4 Interventional Results available

Nesiritide and Renal Function After the Total Artificial Heart

NCT01836809
View directory record Official record
Conditions
Congestive Heart Failure, Cardiorenal Syndrome
Interventions
nesiritide, placebo
Drug
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Feb 7, 2016 · Synced Sep 10, 2026, 11:38 PM EDT
Active, not recruiting Not applicable Interventional

Assessment of Safety and Accuracy of the Microtech System in Patients Undergoing Left Ventricular Assist Device Implantation

NCT06682910
View directory record Official record
Conditions
Heart Failure
Interventions
Microtech sensor pressure
Device
Lead sponsor
Microtech Medical Technologies, Ltd
Industry
Eligibility
Not listed
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Sep 10, 2026, 11:38 PM EDT
Completed No phase listed Observational Results available

CardioMEMS HF System Post Approval Study

NCT02279888
View directory record Official record
Conditions
Heart Failure, Left-Sided Heart Failure, Congestive Heart Failure
Interventions
CardioMEMS HF System
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
1,214 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Morgantown, West Virginia
Source: ClinicalTrials.gov public record
Updated Apr 16, 2024 · Synced Sep 10, 2026, 11:38 PM EDT
Recruiting No phase listed Observational

Implantable Cardioverter Defibrillator (ICD Registry)

NCT01999140
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 17, 2024 · Synced Sep 10, 2026, 11:38 PM EDT
Recruiting Not applicable Interventional

Feasibility of the SCD in Cardiorenal Syndrome Patients Awaiting LVAD

NCT03836482
View directory record Official record
Conditions
Acute on Chronic Systolic Congestive Heart Failure, Cardiorenal Syndrome
Interventions
Selective Cytopheretic Device
Device
Lead sponsor
SeaStar Medical
Industry
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 30, 2026 · Synced Sep 10, 2026, 11:38 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

How Much Can the Thoracic and Lumbar Skin Slide?

NCT02105363
View directory record Official record
Conditions
Movement of Thoracic and Lumbar Skin
Interventions
measure of skin movement on surface of the back, Measurement of skin movement on surface of back
Other
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
Not listed
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Jul 29, 2019 · Synced Sep 10, 2026, 11:38 PM EDT
Completed No phase listed Observational

Postoperative Tolvaptan Use in Left Ventricular Assist Device Implantation Patients

NCT05408104
View directory record Official record
Conditions
Heart Failure, Heart Assist Device, Hyponatremic
Interventions
tolvaptan
Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 6, 2022 · Synced Sep 10, 2026, 11:38 PM EDT
Completed No phase listed Observational

Developing and Assessing Competencies for Caregivers and Patients With Ventricular Assist Devices

NCT00178009
View directory record Official record
Conditions
Congestive Heart Failure
Interventions
self-paced instruction
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 95 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 20, 2011 · Synced Sep 10, 2026, 11:38 PM EDT