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Showing 1–24 of 1,154 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Heart Ventricles Clear all
Completed No phase listed Observational

Patient Reported Outcomes inVestigation Following Initiation of Drug Therapy With Entresto (Sacubitril/Valsartan) in Heart Failure

NCT03387163
View directory record Official record
Conditions
Heart Failure, Systolic
Interventions
Sacubitril/Valsartan
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
402 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 12, 2019 · Synced Sep 3, 2026, 10:50 PM EDT
Completed Phase 4 Interventional

DMP115 in Patients With an Ejection Fraction Between 25%-40% to Evaluate the Use of Contrast Echocardiography to Assess Heart Function

NCT00401687
View directory record Official record
Conditions
Ventricular Ejection Fraction
Interventions
Definity® Vial for (Perflutren Lipid Microsphere) Injectable Suspension
Drug
Lead sponsor
Lantheus Medical Imaging
Industry
Eligibility
18 Years and older
Enrollment
131 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
10
States / cities
Tucson, Arizona • Chicago, Illinois • Washington DC, Maryland + 7 more
Source: ClinicalTrials.gov public record
Updated May 19, 2011 · Synced Sep 3, 2026, 10:50 PM EDT
Completed Phase 3 Interventional Results available

Vein of Marshall Ethanol Infusion for Persistent Atrial Fibrillation

NCT01898221
View directory record Official record
Conditions
Ventricular Tachycardia, Atrial Fibrillation
Interventions
Ethanol, Ablation
Drug · Procedure
Lead sponsor
The Methodist Hospital Research Institute
Other
Eligibility
18 Years to 85 Years
Enrollment
343 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
12
States / cities
Phoenix, Arizona • Los Angeles, California • San Diego, California + 7 more
Source: ClinicalTrials.gov public record
Updated Aug 20, 2025 · Synced Sep 3, 2026, 10:50 PM EDT
Terminated No phase listed Observational

Risk Factors for Coronary Artery Calcification and Left Ventricular Hypertrophy in Hemodialysis Patients

NCT01427374
View directory record Official record
Conditions
End Stage Renal Disease
Interventions
Not listed
Lead sponsor
University of Alberta
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
3
States / cities
Indianapolis, Indiana • Boston, Massachusetts • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Apr 30, 2018 · Synced Sep 3, 2026, 10:50 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Validation of Peripheral Pressure Volume Loops and Ultrasound-derived "Cardiac Power" by Comparison With Invasive Left Ventricular Pressure Volume Loops

NCT01750450
View directory record Official record
Conditions
Cardiovascular Disease
Interventions
Not listed
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older
Enrollment
65 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 30, 2014 · Synced Sep 3, 2026, 10:50 PM EDT
Withdrawn Not applicable Interventional

Employing End Tidal Capnography in Continuous Flow Ventricular Assist Device Patients

NCT02838355
View directory record Official record
Conditions
Cardiomyopathy, Cardiovascular Disease, Heart Disease
Interventions
Respiratory Depression Monitoring with End Tidal Carbon Dioxide Nasal Cannula (ETCO2- NC), Standard Non-invasive Respiratory Depression Monitoring
Device · Other
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Mar 19, 2018 · Synced Sep 3, 2026, 10:50 PM EDT
Completed Not applicable Interventional Results available

Bipolar Ventricular Tachycardia (VT) Study

NCT02374476
View directory record Official record
Conditions
Ventricular Tachycardia
Interventions
Bipolar Ablation
Device
Lead sponsor
Srinivas Dukkipati
Other
Eligibility
18 Years and older
Enrollment
145 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
6
States / cities
Maywood, Illinois • Boston, Massachusetts • New York, New York + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 31, 2022 · Synced Sep 3, 2026, 10:50 PM EDT
Completed Not applicable Interventional

Acute Study to Collect Electrical Signals From the Heart Using a Special Lead

NCT02772380
View directory record Official record
Conditions
Tachycardia, Ventricular Arrhythmias
Interventions
Defibrillation following induction of VT/VF
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
14
States / cities
Scottsdale, Arizona • Hartford, Connecticut • Jacksonville, Florida + 10 more
Source: ClinicalTrials.gov public record
Updated Jun 18, 2018 · Synced Sep 3, 2026, 10:50 PM EDT
Completed Phase 4 Interventional Results available

Study to Determine Safety and Dosage of OPTISON in Pediatric Participants

NCT03740997
View directory record Official record
Conditions
Transthoracic Echocardiography, Suspected or Known Structural or Functional Cardiac Abnormality
Interventions
Optison
Drug
Lead sponsor
GE Healthcare
Industry
Eligibility
9 Years to 17 Years
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
8
States / cities
Phoenix, Arizona • Los Angeles, California • Augusta, Georgia + 5 more
Source: ClinicalTrials.gov public record
Updated May 16, 2024 · Synced Sep 3, 2026, 10:50 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Personalized Therapy Study - Intrinsic Antitachycardia Pacing Post-Approval Study (iATP PAS)

NCT04496518
View directory record Official record
Conditions
Ventricular Tachycardia
Interventions
Intrinsic Antitachycardia Pacing (iATP) Therapy
Device
Lead sponsor
Medtronic
Industry
Eligibility
Not listed
Enrollment
2,200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2028
U.S. locations
51
States / cities
Chandler, Arizona • Little Rock, Arkansas • Chula Vista, California + 44 more
Source: ClinicalTrials.gov public record
Updated Oct 19, 2025 · Synced Sep 3, 2026, 10:50 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Morphological Predictors of Sudden Cardiac Death in Patients With Known Cardiomyopathies

NCT00312624
View directory record Official record
Conditions
Cardiomyopathy
Interventions
contrast-enhanced cardiac MRI
Procedure
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 9, 2011 · Synced Sep 3, 2026, 10:50 PM EDT
Terminated Phase 4 Interventional Results available

Angiotensin II for Distributive Shock

NCT04904562
View directory record Official record
Conditions
Distributive Shock
Interventions
Angiotensin II, Placebo
Drug
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 12, 2026 · Synced Sep 3, 2026, 10:50 PM EDT
Completed No phase listed Observational

Risk of Life-threatening Heart Rhythm Disturbances in Siblings

NCT00498524
View directory record Official record
Conditions
Defibrillators, Implantable, Myocardial Infarction, Tachycardias, Ventricular
Interventions
ICD
Device
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
2,047 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 6, 2012 · Synced Sep 3, 2026, 10:50 PM EDT
Completed Phase 3 Interventional Results available

Evaluation of Fontan-associated Hepatic Stiffness and the Efficacy of Udenafil in Reducing Liver Stiffness

NCT03430583
View directory record Official record
Conditions
Single Ventricle Heart Disease
Interventions
Udenafil
Drug
Lead sponsor
Mezzion Pharma Co. Ltd
Industry
Eligibility
12 Years and older
Enrollment
88 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
16
States / cities
Aurora, Colorado • Wilmington, Delaware • Washington D.C., District of Columbia + 13 more
Source: ClinicalTrials.gov public record
Updated Oct 13, 2025 · Synced Sep 3, 2026, 10:50 PM EDT
Completed Not applicable Interventional Results available

Closure of Muscular Ventricular Septal Defects With The AMPLATZER™ Muscular VSD Occluder

NCT00583791
View directory record Official record
Conditions
Heart Septal Defects, Ventricular
Interventions
Device closure with the AMPLATZER Muscular VSD Occluder
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
Not listed
Enrollment
91 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2009
U.S. locations
11
States / cities
Denver, Colorado • Orlando, Florida • Chicago, Illinois + 8 more
Source: ClinicalTrials.gov public record
Updated Jun 27, 2019 · Synced Sep 3, 2026, 10:50 PM EDT
Completed Not applicable Interventional

IK-5001 for the Prevention of Remodeling of the Ventricle and Congestive Heart Failure After Acute Myocardial Infarction

NCT01226563
View directory record Official record
Conditions
Acute Myocardial Infarction, Congestive Heart Failure, ST-Elevation Myocardial Infarction
Interventions
IK-5001, Saline Solution
Device
Lead sponsor
Bellerophon BCM LLC
Industry
Eligibility
18 Years and older
Enrollment
303 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
16
States / cities
Birmingham, Alabama • Torrance, California • Washington D.C., District of Columbia + 13 more
Source: ClinicalTrials.gov public record
Updated Feb 26, 2023 · Synced Sep 3, 2026, 10:50 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Broad Band Light for the Treatment and Prevention of Senile Purpura

NCT03690375
View directory record Official record
Conditions
Senile Purpura, Bateman's Purpura
Interventions
Broad Band Light (BBL)
Device
Lead sponsor
Siperstein Dermatology
Other
Eligibility
22 Years and older
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Boynton Beach, Florida
Source: ClinicalTrials.gov public record
Updated Apr 12, 2021 · Synced Sep 3, 2026, 10:50 PM EDT
Completed Not applicable Interventional

Exclusive Human Milk Feeding in Infants With Single Ventricle Physiology

NCT02860702
View directory record Official record
Conditions
Congenital Heart Defect
Interventions
Human Milk Derived Fortifier, Human/Bovine Milk
Other
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
1 Day to 7 Days
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
12
States / cities
Loma Linda, California • Los Angeles, California • Orange, California + 9 more
Source: ClinicalTrials.gov public record
Updated Sep 25, 2023 · Synced Sep 3, 2026, 10:50 PM EDT
Completed No phase listed Observational

Study of Left Ventricular Dyssynchrony in Heart Failure Patients

NCT00953953
View directory record Official record
Conditions
Heart Failure
Interventions
Phillips ultrasound system
Device
Lead sponsor
Albert Einstein Healthcare Network
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 25, 2012 · Synced Sep 3, 2026, 10:50 PM EDT
Completed No phase listed Observational

Low-dose-contrast Cardiac Computed Tomography

NCT02146768
View directory record Official record
Conditions
Aortic Stenosis
Interventions
Not listed
Lead sponsor
Baylor Research Institute
Other
Eligibility
18 Years and older
Enrollment
142 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2014
U.S. locations
2
States / cities
Plano, Texas
Source: ClinicalTrials.gov public record
Updated Jun 11, 2017 · Synced Sep 3, 2026, 10:50 PM EDT
Active, not recruiting Not applicable Interventional Results available

Effectiveness of the EMPOWER™ Modular Pacing System and EMBLEM™ Subcutaneous ICD to Communicate Antitachycardia Pacing

NCT04798768
View directory record Official record
Conditions
Tachycardia, Ventricular, Arrhythmia, Ventricular
Interventions
mCRM Therapy System
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
297 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2030
U.S. locations
18
States / cities
Phoenix, Arizona • Scottsdale, Arizona • Jonesboro, Arkansas + 14 more
Source: ClinicalTrials.gov public record
Updated Jul 22, 2026 · Synced Sep 3, 2026, 10:50 PM EDT
Terminated Phase 3 Interventional Results available

PROACT Xa - A Trial to Determine if Participants With an On-X Aortic Valve Can be Maintained Safely on Apixaban

NCT04142658
View directory record Official record
Conditions
Aortic Valve Disease, Aortic Valve Stenosis, Aortic Valve Failure
Interventions
Apixaban 5 MG, Apixaban 2.5 MG, Warfarin, On-X Aortic Mechanical Valve
Drug · Device
Lead sponsor
Artivion Inc.
Industry
Eligibility
18 Years and older
Enrollment
863 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
62
States / cities
Tucson, Arizona • Little Rock, Arkansas • Loma Linda, California + 50 more
Source: ClinicalTrials.gov public record
Updated Mar 19, 2024 · Synced Sep 3, 2026, 10:50 PM EDT
Completed No phase listed Observational

Conduction System Pacing International Registry (CONSPIRE)

NCT04831125
View directory record Official record
Conditions
Bradyarrhythmia, Heart Failure
Interventions
Data collection
Other
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
383 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
5
States / cities
Tucson, Arizona • Chicago, Illinois • New York, New York + 2 more
Source: ClinicalTrials.gov public record
Updated Mar 2, 2026 · Synced Sep 3, 2026, 10:50 PM EDT
Enrolling by invitation No phase listed Observational

Virtual Reality in Electrophysiology Laboratory (EP)

NCT04893278
View directory record Official record
Conditions
PVC - Premature Ventricular Complex, Ablation
Interventions
Virtual reality
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 20, 2026 · Synced Sep 3, 2026, 10:50 PM EDT