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Showing 1–24 of 124 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Single Ventricle Heart Disease Clear all
Completed No phase listed Observational

The Effect of Fontan Fenestration Closure on Hepatic Stiffness

NCT03481985
View directory record Official record
Conditions
Single-ventricle, Hepatic Congestion
Interventions
Fenestration status
Other
Lead sponsor
Boston Children's Hospital
Other
Eligibility
Not listed
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 18, 2023 · Synced Jul 23, 2026, 2:43 AM EDT
Completed Phase 3 Interventional Results available

Fontan Udenafil Exercise Longitudinal Assessment Trial

NCT02741115
View directory record Official record
Conditions
Single Ventricle Heart Disease
Interventions
Udenafil, Placebo
Drug
Lead sponsor
Mezzion Pharma Co. Ltd
Industry
Eligibility
12 Years to 18 Years
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
26
States / cities
Phoenix, Arizona • Los Angeles, California • San Diego, California + 22 more
Source: ClinicalTrials.gov public record
Updated Jun 16, 2025 · Synced Jul 23, 2026, 2:43 AM EDT
Completed Phase 3 Interventional

Ablation of Clinical Ventricular Tachycardia Versus Addition of Substrate Ablation on the Long Term Success Rate of VT Ablation

NCT01045668
View directory record Official record
Conditions
Ventricular Tachycardia
Interventions
Radiofrequency Catheter Ablation (RFCA)
Procedure
Lead sponsor
Texas Cardiac Arrhythmia Research Foundation
Other
Eligibility
18 Years to 75 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Aug 24, 2014 · Synced Jul 23, 2026, 2:43 AM EDT
Completed Phase 1 Interventional

Phase I Safety and Feasibility Study of Intracoronary Delivery of Autologous Bone Marrow Derived Mononuclear Cells

NCT02549625
View directory record Official record
Conditions
Congenital Heart Disease
Interventions
Autologous Bone Marrow-derived Mononuclear Cells
Biological
Lead sponsor
Timothy J Nelson, MD, PhD
Other
Eligibility
2 Years to 30 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 13, 2021 · Synced Jul 23, 2026, 2:43 AM EDT
Completed No phase listed Observational

Pharmacokinetics and Safety Profile of Digoxin in Infants With Single Ventricle Congenital Heart Disease

NCT03877965
View directory record Official record
Conditions
Congenital Heart Disease
Interventions
Digoxin
Drug
Lead sponsor
Christoph P Hornik, MD MPH
Other
Eligibility
Up to 6 Months
Enrollment
50 participants
Timeline
2019 – 2022
U.S. locations
11
States / cities
Los Angeles, California • San Diego, California • Aurora, Colorado + 8 more
Source: ClinicalTrials.gov public record
Updated Oct 11, 2022 · Synced Jul 23, 2026, 2:43 AM EDT
Completed No phase listed Observational

The PaTHS Descriptive Correlational Longitudinal Study

NCT04785482
View directory record Official record
Conditions
Single-ventricle, Posttraumatic Stress Disorder, Psychosocial Impairment
Interventions
Not listed
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
Not listed
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 21, 2022 · Synced Jul 23, 2026, 2:43 AM EDT
Recruiting Not applicable Interventional

Trial of the F2 Filter and Delivery System for Embolic Protection During TAVR

NCT06689839
View directory record Official record
Conditions
Aortic Stenosis Treated With TAVI, Aortic Diseases
Interventions
F2 Filter and Delivery System, Transcatheter Aortic Valve Replacement (TAVR)
Device · Procedure
Lead sponsor
EnCompass Technologies, Inc.
Industry
Eligibility
50 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
8
States / cities
Naples, Florida • Indianappolis, Indiana • Detroit, Michigan + 5 more
Source: ClinicalTrials.gov public record
Updated Nov 19, 2025 · Synced Jul 23, 2026, 2:43 AM EDT
Completed No phase listed Observational Results available

Influence of Genetic Polymorphisms on Ventricular Structure and Function in Patients With Single Ventricle Anatomy

NCT00165984
View directory record Official record
Conditions
Congenital Heart Disease
Interventions
Not listed
Lead sponsor
Emory University
Other
Eligibility
Not listed
Enrollment
224 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2010
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated May 1, 2012 · Synced Jul 23, 2026, 2:43 AM EDT
Completed Not applicable Interventional Results available

Spironolactone in Patients With Single Ventricle Heart

NCT00211081
View directory record Official record
Conditions
Congenital Disorders
Interventions
Spironolactone (drug)
Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Nov 5, 2017 · Synced Jul 23, 2026, 2:43 AM EDT
Recruiting Not applicable Interventional

Ventripoint Single Ventricle Study

NCT05262907
View directory record Official record
Conditions
Congenital Heart Disease, Single-ventricle
Interventions
Transthoracic Echocardiogram or Cardiac MRI, Ventripoint Echocardiogram
Device
Lead sponsor
Duke University
Other
Eligibility
Not listed
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 22, 2025 · Synced Jul 23, 2026, 2:43 AM EDT
Not listed Not applicable Interventional

Right Ventricular Pacing in Pulmonary Arterial Hypertension

NCT04194632
View directory record Official record
Conditions
Pulmonary Artery Hypertension, Right Ventricular Dysfunction
Interventions
Temporary right ventricular pacing
Procedure
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 75 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 2, 2021 · Synced Jul 23, 2026, 2:43 AM EDT
Active, not recruiting Not applicable Interventional Results available

ExCEED: CENTERA THV System in Intermediate Risk Patients Who Have Symptomatic, Severe, Calcific, Aortic Stenosis

NCT03517436
View directory record Official record
Conditions
Aortic Valve Stenosis
Interventions
TAVR with CENTERA THV
Device
Lead sponsor
Edwards Lifesciences
Industry
Eligibility
Not listed
Enrollment
101 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2030
U.S. locations
23
States / cities
Los Angeles, California • Stanford, California • Loveland, Colorado + 19 more
Source: ClinicalTrials.gov public record
Updated Nov 12, 2025 · Synced Jul 23, 2026, 2:43 AM EDT
Completed Not applicable Interventional Results available

Improving Functional Capacity in Fontan Patients Through Inspiratory Muscle Training

NCT01977222
View directory record Official record
Conditions
Congenital Heart Disease, Single Ventricle
Interventions
THRESHOLD(TM) INSPIRATORY MUSCLE TRAINER
Device
Lead sponsor
Boston Children's Hospital
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 13, 2017 · Synced Jul 23, 2026, 2:43 AM EDT
Completed No phase listed Observational

Cerebral Blood Flow in Single Ventricles Throughout Staged Surgical Reconstruction

NCT02135081
View directory record Official record
Conditions
Single Ventricle Defect
Interventions
Not listed
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
4 Months to 10 Years
Enrollment
260 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2016
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 18, 2018 · Synced Jul 23, 2026, 2:43 AM EDT
Completed Not applicable Interventional Results available

Assess Safety and Probable Benefit of the EXCOR® Pediatric Ventricular Assist Device

NCT00583661
View directory record Official record
Conditions
Heart Failure, Cardiomyopathies
Interventions
EXCOR Pediatric
Device
Lead sponsor
Berlin Heart, Inc
Industry
Eligibility
1 Day to 16 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
15
States / cities
Birmingham, Alabama • Little Rock, Arkansas • Palo Alto, California + 12 more
Source: ClinicalTrials.gov public record
Updated Mar 14, 2013 · Synced Jul 23, 2026, 2:43 AM EDT
Completed Not applicable Interventional

Re-Energize Fontan

NCT04195451
View directory record Official record
Conditions
Single-ventricle
Interventions
Live-Video-Supervised Exercise Intervention, Usual Care then Live-Video Supervised Exercise Intervention
Other
Lead sponsor
Stanford University
Other
Eligibility
8 Years to 19 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Jun 21, 2026 · Synced Jul 23, 2026, 2:43 AM EDT
Completed Phase 3 Interventional Results available

Extended Release Exenatide Versus Placebo In Diabetic Patients With Type 4 Cardiorenal Syndrome

NCT02251431
View directory record Official record
Conditions
Type 2 Diabetes Mellitus, Chronic Kidney Disease, Left Ventricular Diastolic Dysfunction
Interventions
BYDUREON, Placebo
Drug
Lead sponsor
Baylor Research Institute
Other
Eligibility
18 Years and older
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Feb 18, 2026 · Synced Jul 23, 2026, 2:43 AM EDT
Terminated No phase listed Observational

Characterizing the Effect of Dopamine on Markers of Lymph Re-circulation in Fontan-associated Protein-losing Enteropathy

NCT03322345
View directory record Official record
Conditions
Dopamine, Protein-Losing Enteropathies, Lymphatic System, Lymph, Catecholamine, Single-ventricle, Congenital Heart Disease
Interventions
Not listed
Lead sponsor
University of Michigan
Other
Eligibility
3 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Jul 23, 2026, 2:43 AM EDT
Completed Phase 3 Interventional Results available

A Extension Study of Udenafil in Adolescents

NCT03013751
View directory record Official record
Conditions
Functional Single Ventricle Heart Disease
Interventions
Udenafil
Drug
Lead sponsor
Mezzion Pharma Co. Ltd
Industry
Eligibility
12 Years to 18 Years
Enrollment
301 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
21
States / cities
Phoenix, Arizona • Los Angeles, California • San Diego, California + 18 more
Source: ClinicalTrials.gov public record
Updated Dec 8, 2025 · Synced Jul 23, 2026, 2:43 AM EDT
Completed No phase listed Observational

Clinical Characteristics and Associations of the "Good Fontan" Patient

NCT03470428
View directory record Official record
Conditions
Congenital Heart Disease, Single-ventricle
Interventions
Not listed
Lead sponsor
Boston Children's Hospital
Other
Eligibility
10 Years to 60 Years
Enrollment
146 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 18, 2023 · Synced Jul 23, 2026, 2:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Vitamin C on Endothelial Function and Exercise Capacity in Fontan-Palliated Patients

NCT00974025
View directory record Official record
Conditions
Fontan Procedure, Hypoplastic Left Heart Syndrome, Tricuspid Atresia
Interventions
Vitamin C, Placebo
Dietary Supplement
Lead sponsor
University of Michigan
Other
Eligibility
8 Years to 25 Years
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated May 31, 2017 · Synced Jul 23, 2026, 2:43 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Multimodality Biomarkers for Noninvasive Assessment of the Fontan Patient

NCT03263312
View directory record Official record
Conditions
Single-ventricle, Myocardial Fibrosis
Interventions
Exercise
Behavioral
Lead sponsor
Maria Bano
Other
Eligibility
10 Years to 40 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2025
U.S. locations
1
States / cities
Irving, Texas
Source: ClinicalTrials.gov public record
Updated Sep 4, 2021 · Synced Jul 23, 2026, 2:43 AM EDT
Recruiting Not applicable Interventional

Ablation-Index Guided Scar-Mediated Ventricular Tachycardia Ablation in Patients With Ischemic Cardiomyopathy

NCT06138873
View directory record Official record
Conditions
Ventricular Tachycardia, Ischemic Cardiomyopathy
Interventions
Ablation-index guided ventricular tachycardia ablation, Ventricular tachycardia ablation with no AI-guidance
Procedure
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
5
States / cities
Chicago, Illinois • Boston, Massachusetts • Ann Arbor, Michigan + 2 more
Source: ClinicalTrials.gov public record
Updated Sep 21, 2025 · Synced Jul 23, 2026, 2:43 AM EDT
Completed No phase listed Observational

A Noninterventional, Single-Center Feasibility Study to Evaluate Measures of Heart Failure Risk

NCT05646056
View directory record Official record
Conditions
Heart Failure, Cardiomyopathy, Hypertrophic, Left Ventricular Hypertrophy
Interventions
Software
Device
Lead sponsor
Prolaio
Industry
Eligibility
18 Years and older
Enrollment
82 participants
Timeline
2022 – 2024
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Oct 23, 2024 · Synced Jul 23, 2026, 2:43 AM EDT