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ClinicalTrials.gov public records Last synced Sep 15, 2026, 7:53 PM EDT

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Showing 1–24 of 75 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Single Ventricle Cardiac Anomaly Clear all
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 Sep 15, 2026, 7:53 PM EDT
Withdrawn No phase listed Observational

Sleep Disordered Breathing in Children With Single Ventricle Physiology

NCT00156455
View directory record Official record
Conditions
Hypoplastic Left Heart Syndrome, Obstructive Sleep Apnea Syndrome, Single Ventricle Physiology
Interventions
Not listed
Lead sponsor
University of Rochester
Other
Eligibility
1 Month to 2 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2004
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Apr 29, 2015 · Synced Sep 15, 2026, 7:53 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Early Use of Vasopressin in Post-Fontan Management

NCT03088345
View directory record Official record
Conditions
Circulatory Perfusion Disorder, Congenital Heart Disease, Single-ventricle
Interventions
Vasopressin, Arginine, Placebo
Drug
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
3 Weeks to 18 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jul 6, 2020 · Synced Sep 15, 2026, 7:53 PM EDT
Completed Phase 1 Interventional

Effect of Tadalafil on Exercise Capacity in Pediatric Fontan Patients

NCT01291069
View directory record Official record
Conditions
Single Ventricle
Interventions
Tadalafil Citrate, Sugar pill
Drug
Lead sponsor
University of Utah
Other
Eligibility
8 Years to 35 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 16, 2017 · Synced Sep 15, 2026, 7:53 PM 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 Sep 15, 2026, 7:53 PM EDT
Completed No phase listed Observational

Genetic Determinants of Congenital Heart Disease Outcomes

NCT01656941
View directory record Official record
Conditions
Congenital Heart Disease, Hypoplastic Left Heart Syndrome, Hypoplastic Right Heart Syndrome, d-Transposition of the Great Arteries
Interventions
Not listed
Lead sponsor
University of Michigan
Other
Eligibility
Up to 30 Days
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
4
States / cities
Atlanta, Georgia • Ann Arbor, Michigan • Charleston, South Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 9, 2021 · Synced Sep 15, 2026, 7:53 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Global and Regional Myocardial Strain and Power Output In Patients With Single Ventricles Using Novel MRI Techniques

NCT01107990
View directory record Official record
Conditions
Fontan Procedure, Hypoplastic Left Heart Syndrome, Tricuspid Atresia, Double Inlet Left Ventricle
Interventions
Not listed
Lead sponsor
University of California, San Francisco
Other
Eligibility
10 Years and older
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jan 20, 2020 · Synced Sep 15, 2026, 7:53 PM EDT
Completed Phase 1Phase 2 Interventional

Fibrosis and the Fontan

NCT04901975
View directory record Official record
Conditions
Single-ventricle
Interventions
Spironolactone
Drug
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
1 Year to 6 Years
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 30, 2026 · Synced Sep 15, 2026, 7:53 PM EDT
Recruiting No phase listed Observational

Transcatheter Fontan Stenting: Impact on Hepatic Stiffness and Exercise Capacity

NCT07073612
View directory record Official record
Conditions
Single-ventricle, Stenosis
Interventions
Cardiopulmonary Exercise Testing (CPET), Shear Wave Elastography Scan
Diagnostic Test
Lead sponsor
Children's Hospital Los Angeles
Other
Eligibility
12 Years to 21 Years
Enrollment
20 participants
Timeline
2025 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 17, 2025 · Synced Sep 15, 2026, 7:53 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Use of Vasopressin Following the Fontan Operation

NCT02975999
View directory record Official record
Conditions
Pleural Effusion, Single-ventricle
Interventions
Vasopressin, Normal Saline
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Months to 7 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Oak Lawn, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 23, 2024 · Synced Sep 15, 2026, 7:53 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 15, 2026, 7:53 PM EDT
Completed No phase listed Observational

Single Ventricle Outcome

NCT00308217
View directory record Official record
Conditions
Heart Disease, Congenital, Single Ventricle, Hypoplastic Left Heart Syndrome
Interventions
Not listed
Lead sponsor
Emory University
Other
Eligibility
Not listed
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Dec 11, 2013 · Synced Sep 15, 2026, 7:53 PM EDT
Completed Phase 1 Interventional

A Pilot Study Investigating the Clinical Use of Tissue Engineered Vascular Grafts in Congenital Heart Surgery

NCT01034007
View directory record Official record
Conditions
Single Ventricle Cardiac Anomaly
Interventions
Tissue Engineered Vascular Grafts
Combination Product
Lead sponsor
Christopher Breuer
Other
Eligibility
1 Year to 100 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2018
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 1, 2018 · Synced Sep 15, 2026, 7:53 PM EDT
Completed Phase 3 Interventional Results available

Trial of Angiotensin Converting Enzyme Inhibition in Infants With Single Ventricle--Pediatric Heart Network

NCT00113087
View directory record Official record
Conditions
Heart Defects, Congenital, Heart Failure, Congestive
Interventions
Enalapril, Placebo
Drug
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
Up to 45 Days
Enrollment
230 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2008
U.S. locations
8
States / cities
Boston, Massachusetts • New York, New York • Durham, North Carolina + 5 more
Source: ClinicalTrials.gov public record
Updated Sep 27, 2010 · Synced Sep 15, 2026, 7:53 PM EDT
Not listed No phase listed Observational

Biomarkers for Feeding Intolerance in Infants With Complex Congenital Heart Defects Undergoing Single Ventricle Staged Palliation

NCT02995577
View directory record Official record
Conditions
Single Ventricle Physiology
Interventions
Feeding tolerant, Feeding intolerant, Necrotizing enterocolitis
Other
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
1 Day to 3 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2016
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Dec 15, 2016 · Synced Sep 15, 2026, 7:53 PM EDT
Completed Not applicable Interventional

Impact of Early Intervention on Maternal Stress in Mothers of Fetuses Diagnosed With Single Ventricle Physiology

NCT02462434
View directory record Official record
Conditions
Heart Defects, Congenital, Hypoplastic Left Heart Syndrome, Single Ventricle Defect, Stress, Psychological
Interventions
Early palliative care team consultation
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older · Female only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 17, 2017 · Synced Sep 15, 2026, 7:53 PM EDT
Terminated Phase 4 Interventional Results available

The Effects of Eplerenone on Markers of Myocardial Fibrosis in Adult Congenital Heart Disease

NCT01971593
View directory record Official record
Conditions
Tetralogy of Fallot, Transposition of the Great Vessels With an Arterial Switch, Single Ventricle With a Fontan Palliation
Interventions
Eplerenone
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 80 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated May 3, 2018 · Synced Sep 15, 2026, 7:53 PM EDT
Recruiting No phase listed Observational

PRecision Integrated Saturation Monitor

NCT07686341
View directory record Official record
Conditions
CHD - Congenital Heart Disease, Single Ventricle Heart Disease
Interventions
vital sign monitoring
Device
Lead sponsor
Le Bonheur Children's Hospital
Other
Eligibility
0 Months to 12 Months
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Jul 6, 2026 · Synced Sep 15, 2026, 7:53 PM EDT
Completed No phase listed Observational

Outcomes of Children With Congenital Single Ventricle Heart

NCT00266968
View directory record Official record
Conditions
Congenital Disorders
Interventions
Not listed
Lead sponsor
Children's Healthcare of Atlanta
Other
Eligibility
Up to 21 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2013
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Dec 1, 2014 · Synced Sep 15, 2026, 7:53 PM EDT
Terminated Phase 2Phase 3 Interventional Results available

Colchicine in Postoperative Fontan Patients

NCT03575572
View directory record Official record
Conditions
Single-ventricle, Heart Diseases
Interventions
Colchicine
Drug
Lead sponsor
University of Michigan
Other
Eligibility
20 Months to 5 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated May 8, 2022 · Synced Sep 15, 2026, 7:53 PM EDT
Recruiting No phase listed Observational

Adult Congenital Heart Disease International EValuation of the Effectiveness of SGLT2i Registry

NCT06932081
View directory record Official record
Conditions
Adult Congenital Heart Disease, Congenital Heart Disease, Systemic Right Ventricle, Transposition of the Great Arteries, Congenitally Corrected Transposition of the Great Arteries, Fontan, Single Ventricle, Tetralogy of Fallot (TOF)
Interventions
SGLT2 inhibitors
Drug
Lead sponsor
Leiden University Medical Center
Other
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
3
States / cities
Baltimore, Maryland • Grand Rapids, Michigan • New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 12, 2026 · Synced Sep 15, 2026, 7:53 PM EDT
Completed Phase 1 Interventional Results available

Sildenafil in Single Ventricle Patients

NCT01169519
View directory record Official record
Conditions
Heart Disease
Interventions
Sildenafil by injection
Drug
Lead sponsor
Duke University
Other
Eligibility
3 Months to 120 Months
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 4, 2013 · Synced Sep 15, 2026, 7:53 PM 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 Sep 15, 2026, 7:53 PM EDT
Recruiting Not applicable Interventional

HeartGPS: A Study Exploring the Effects of a Psychological Intervention for Parents and Their Babies After Prenatal Cardiac Diagnosis

NCT06175104
View directory record Official record
Conditions
Heart Defects, Congenital, Anxiety in Pregnancy, Depression, Postpartum, Trauma, Psychological, Neurodevelopmental Disorders
Interventions
HeartGPS
Behavioral
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
2
States / cities
Los Angeles, California • Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 19, 2025 · Synced Sep 15, 2026, 7:53 PM EDT