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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Cardiac Dysfunction Clear all
Completed Not applicable Interventional Results available

REsynchronization reVErses Remodeling in Systolic Left vEntricular Dysfunction (REVERSE)

NCT00271154
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 29, 2012 · Synced Sep 6, 2026, 9:59 AM EDT
Terminated No phase listed Observational Results available

OMNI Study--Assessing Therapies in Medtronic Pacemaker, Defibrillator, and Cardiac Resynchronization Therapy Devices.

NCT00277524
View directory record Official record
Conditions
Tachycardia, Ventricular, Heart Failure, Congestive, Ventricular Fibrillation, Ventricular Dysfunction, Bradycardia
Interventions
Not listed
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
3,032 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
113
States / cities
Tucson, Arizona • Little Rock, Arkansas • Fresno, California + 107 more
Source: ClinicalTrials.gov public record
Updated Aug 27, 2013 · Synced Sep 6, 2026, 9:59 AM EDT
Completed Phase 3 Interventional

Opioid-free Anesthesia for Open Cardiac Surgery: A Prospective Randomized Controlled Trial

NCT04197570
View directory record Official record
Conditions
Opioid Use, Heart; Surgery, Heart, Functional Disturbance as Result, Anesthesia
Interventions
Opioid Anesthetics, Non Opioid Analgesics
Drug
Lead sponsor
Benaroya Research Institute
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jul 27, 2020 · Synced Sep 6, 2026, 9:59 AM EDT
Withdrawn No phase listed Observational Accepts healthy volunteers

The Role of Gut Microbiota in Heart Failure and Pre-Heart Failure With Preserved Ejection Fraction

NCT02728154
View directory record Official record
Conditions
Heart Failure
Interventions
Blood Sample, Stool Sample
Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2025
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Apr 9, 2025 · Synced Sep 6, 2026, 9:59 AM EDT
Completed Phase 2 Interventional Results available

A Clinical Trial for People HIV+ Age > 50 at Risk for Heart Disease

NCT01578772
View directory record Official record
Conditions
Endothelial Dysfunction
Interventions
Telmisartan
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
50 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 7, 2014 · Synced Sep 6, 2026, 9:59 AM EDT
Recruiting No phase listed Observational

The Impact of Renal Transplant on Coronary Microvascular Function Among Patients With Advanced Chronic Kidney Disease

NCT07222683
View directory record Official record
Conditions
Chronic Kidney Disease, Kidney Transplant, Coronary Microvascular Dysfunction (CMD), Inflammation
Interventions
Not listed
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2030
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 29, 2025 · Synced Sep 6, 2026, 9:59 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Acute Cardiovascular Effects of Marathon Running Using Magnetic Resonance Imaging

NCT00752752
View directory record Official record
Conditions
Myocardial Ischemia, Left Ventricular Systolic Dysfunction, Elevated Cardiac Enzymes
Interventions
Not listed
Lead sponsor
Corewell Health East
Other
Eligibility
18 Years to 60 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Royal Oak, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 2, 2012 · Synced Sep 6, 2026, 9:59 AM EDT
Completed No phase listed Observational

Study of the Effect of Inhaled Anesthetics on Diastolic Heart Function Using a Doppler-derived Efficiency Index

NCT00907439
View directory record Official record
Conditions
Diastolic Dysfunction, Coronary Artery Disease, General Anesthesia
Interventions
Not listed
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Nov 4, 2010 · Synced Sep 6, 2026, 9:59 AM EDT
Not listed No phase listed Observational

SCD-HeFT 10 Year Follow-up

NCT01058837
View directory record Official record
Conditions
Left Ventricular Systolic Dysfunction, Congestive Heart Failure, Ischemic and Non-ischemic Cardiomyopathy, Sudden Cardiac Death Primary Prevention
Interventions
Not listed
Lead sponsor
Seattle Institute for Cardiac Research
Other
Eligibility
18 Years to 90 Years
Enrollment
1,855 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Bellevue, Washington
Source: ClinicalTrials.gov public record
Updated Feb 10, 2010 · Synced Sep 6, 2026, 9:59 AM EDT
Terminated Not applicable Interventional

Brain Oxygenation Monitoring in Patients Undergoing Coronary Artery Bypass Surgery

NCT00137527
View directory record Official record
Conditions
Neurological Manifestations
Interventions
Optimizing hemodynamic and anesthetic parameters to improve cerebral perfusion
Device
Lead sponsor
Atlantic Health System
Other
Eligibility
18 Years to 90 Years
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
1
States / cities
Morristown, New Jersey
Source: ClinicalTrials.gov public record
Updated Jan 16, 2014 · Synced Sep 6, 2026, 9:59 AM EDT
Terminated Phase 2 Interventional Results available

Hemodynamic and Echocardiographic Assessment of Riociguat Effects on Myocardial Wall Contractility and Relaxation Kinetics

NCT01065051
View directory record Official record
Conditions
Hypertension, Pulmonary, Ventricular Dysfunction, Left
Interventions
Riociguat (Adempas, BAY63-2521), Placebo
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
2
States / cities
Boston, Massachusetts • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 5, 2014 · Synced Sep 6, 2026, 9:59 AM EDT
Completed Phase 2 Interventional

Study to Evaluate Safety, Tolerability, and Effect of AL208 on Mild Cognitive Impairment Following Coronary Artery Bypass Graft Surgery

NCT00404014
View directory record Official record
Conditions
Mild Cognitive Impairment
Interventions
AL-208, Placebo
Drug
Lead sponsor
Allon Therapeutics
Industry
Eligibility
50 Years to 79 Years
Enrollment
234 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
26
States / cities
Laguna Hills, California • Sacramento, California • Jacksonville, Florida + 22 more
Source: ClinicalTrials.gov public record
Updated Oct 23, 2012 · Synced Sep 6, 2026, 9:59 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Human Brain Natriuretic Peptide (BNP) (or Nesiritide) to Help Heart, Kidney and Humoral Function.

NCT00405548
View directory record Official record
Conditions
Left Ventricular Diastolic Dysfunction
Interventions
BNP (nesiritide), Placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 30, 2015 · Synced Sep 6, 2026, 9:59 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Tadalafil and Nesiritide as Therapy in Pre-clinical Heart Failure

NCT01544998
View directory record Official record
Conditions
Congestive Heart Failure
Interventions
Nesiritide, Tadalafil, Placebo, Saline load
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
21 Years to 90 Years
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 21, 2018 · Synced Sep 6, 2026, 9:59 AM EDT
Completed No phase listed Observational

Heart Failure and a Preserved Ejection Fraction

NCT00586833
View directory record Official record
Conditions
Heart Failure
Interventions
O2 consumption max bike test
Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 13, 2010 · Synced Sep 6, 2026, 9:59 AM EDT
Completed Not applicable Interventional

Effect of Transcutaneous Vagal Stimulation (TVS) on Endothelial Function and Arterial Stiffness in HFrEF

NCT03380156
View directory record Official record
Conditions
Heart Failure With Reduced Ejection Fraction, Endothelial Dysfunction
Interventions
TVS, Sham TVS
Device
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 80 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jan 13, 2021 · Synced Sep 6, 2026, 9:59 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Brown Adipose Tissue Pilot

NCT03793127
View directory record Official record
Conditions
Aging
Interventions
Maximal oxygen consumption (V02 max), Brown adipose tissue (BAT) imaging, Muscle function testing
Other
Lead sponsor
AdventHealth Translational Research Institute
Other
Eligibility
20 Years to 80 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2025
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Jun 10, 2025 · Synced Sep 6, 2026, 9:59 AM EDT
Completed Phase 1Phase 2 Interventional Results available

The Effects of Decreasing the Lasix Dose on the Cardiorenal System

NCT00982423
View directory record Official record
Conditions
Heart Failure, Kidney Dysfunction
Interventions
Furosemide
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 90 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 19, 2015 · Synced Sep 6, 2026, 9:59 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Study to Determine How Cialis Effects the Renal Function in Response to Volume Expansion in Preclinical Diastolic Cardiomyopathy (Aim3)

NCT02058095
View directory record Official record
Conditions
Cardiomyopathy, Renal Impairment
Interventions
Tadalafil, Placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
21 Years to 90 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 27, 2020 · Synced Sep 6, 2026, 9:59 AM EDT
Completed No phase listed Observational

Detection of Heart Conditions With Single Lead ECG Using Artificial Intelligence

NCT04400435
View directory record Official record
Conditions
Left Ventricular Dysfunction
Interventions
Use of Eko DUO electronic stethoscope
Device
Lead sponsor
Eko Devices, Inc.
Industry
Eligibility
18 Years and older
Enrollment
1,258 participants
Timeline
2020 – 2022
U.S. locations
3
States / cities
Los Alamitos, California • Washington D.C., District of Columbia • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 8, 2022 · Synced Sep 6, 2026, 9:59 AM EDT
Completed No phase listed Observational

Myocardial Injury and Dysfunction Associated With COVID-19 Vaccination

NCT05359250
View directory record Official record
Conditions
Myocardial Injury, COVID-19, Vaccine Reaction
Interventions
Not listed
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 3, 2025 · Synced Sep 6, 2026, 9:59 AM EDT
Active, not recruiting Not applicable Interventional

The JenaValve ALIGN-AR LVAD Registry

NCT06594705
View directory record Official record
Conditions
Aortic Regurgitation, Aortic Valve Insufficiency, Aortic Insufficiency, Aortic Valve Disease, Left Ventricular Dysfunction
Interventions
JenaValve Trilogy Heart Valve System
Device
Lead sponsor
JenaValve Technology, Inc.
Industry
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
14
States / cities
Los Angeles, California • San Francisco, California • Washington D.C., District of Columbia + 11 more
Source: ClinicalTrials.gov public record
Updated Jul 21, 2026 · Synced Sep 6, 2026, 9:59 AM EDT
Recruiting No phase listed Observational

Registry of Patients With Takotsubo Syndrome

NCT03663348
View directory record Official record
Conditions
Takotsubo Cardiomyopathy, Broken Heart Syndrome, Tako-tsubo Cardiomyopathy
Interventions
Not listed
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 110 Years
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2029
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 29, 2025 · Synced Sep 6, 2026, 9:59 AM EDT
Completed No phase listed Observational

Relationship Between Strain and Stroke Volume in Cardiac Surgery

NCT04694378
View directory record Official record
Conditions
Right Ventricular Dysfunction, Stroke Volume Index, Longitudinal Heart Strain
Interventions
Not listed
Lead sponsor
Tufts Medical Center
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 24, 2024 · Synced Sep 6, 2026, 9:59 AM EDT