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ClinicalTrials.gov public records Last synced Oct 23, 2026, 11:35 AM EDT

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Showing 1–24 of 87 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Univentricular Heart Clear all
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 10, 2021 · Synced Oct 23, 2026, 11:35 AM EDT
Recruiting Phase 2 Interventional

CAMEO-FONTAN -Dapagliflozin in the Failing Fontan Circulation

NCT06762964
View directory record Official record
Conditions
Fontan Circulation, Single Ventricle Heart Disease, HFpEF - Heart Failure With Preserved Ejection Fraction
Interventions
Dapagliflozin tablet, Placebo Tablet
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 6, 2026 · Synced Oct 23, 2026, 11:35 AM 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 13, 2026 · Synced Oct 23, 2026, 11:35 AM EDT
Active, not recruiting Phase 2 Interventional Results available

Intramyocardial Injection of Autologous Umbilical Cord Blood Derived Mononuclear Cells During Surgical Repair of Hypoplastic Left Heart Syndrome

NCT03779711
View directory record Official record
Conditions
Hypoplastic Left Heart Syndrome
Interventions
Autologous (self) mononuclear cells derived from umbilical cord blood, Stage II Surgical repair
Biological · Procedure
Lead sponsor
Timothy J Nelson, MD, PhD
Other
Eligibility
Up to 12 Months
Enrollment
95 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
8
States / cities
Birmingham, Alabama • Los Angeles, California • Aurora, Colorado + 5 more
Source: ClinicalTrials.gov public record
Updated Jul 8, 2025 · Synced Oct 23, 2026, 11:35 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Cerebral Anatomy, Hemodynamics and Metabolism

NCT02919956
View directory record Official record
Conditions
Hypoplastic Left Heart Syndrome
Interventions
Magnetic Resonance Imaging, Neurodevelopmental Testing
Other
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
3 Years and older
Enrollment
121 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 18, 2024 · Synced Oct 23, 2026, 11:35 AM 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 18, 2017 · Synced Oct 23, 2026, 11:35 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Pharmacokinetic/Pharmacodynamic Study of Udenafil in Adolescents

NCT02201342
View directory record Official record
Conditions
Single Ventricle Heart Disease After Fontan Surgery
Interventions
Udenafil
Drug
Lead sponsor
Mezzion Pharma Co. Ltd
Industry
Eligibility
14 Years to 18 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
5
States / cities
Indianapolis, Indiana • Ann Arbor, Michigan • Cincinnati, Ohio + 2 more
Source: ClinicalTrials.gov public record
Updated May 6, 2025 · Synced Oct 23, 2026, 11:35 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Frailty in Children With Cardiac Disease

NCT02999438
View directory record Official record
Conditions
Pulmonary Hypertension, Heart Failure, Single Ventricle
Interventions
Actigraph to check activity levels at home
Device
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
8 Years to 18 Years
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2022
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 14, 2023 · Synced Oct 23, 2026, 11:35 AM EDT
Withdrawn No phase listed Observational

Changes in Cerebral Oxygenation During Laparoscopy in Patients With Single Ventricle Anatomy

NCT02614664
View directory record Official record
Conditions
Congenital Heart Disease, Single Ventricle
Interventions
NIRS
Device
Lead sponsor
Roby Sebastian
Other
Eligibility
Not listed
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 6, 2018 · Synced Oct 23, 2026, 11:35 AM EDT
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 19, 2023 · Synced Oct 23, 2026, 11:35 AM 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 30, 2015 · Synced Oct 23, 2026, 11:35 AM EDT
Completed Not applicable Interventional Results available

Simple Non-invasive Breathing Device to Improve Pulmonary Flow Pusatility in Single Ventricle Post Fontan

NCT05634226
View directory record Official record
Conditions
Single-ventricle
Interventions
Hands-free oral-positive pressure device (oPEP)
Device
Lead sponsor
Tarek Alsaied
Other
Eligibility
8 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 10, 2025 · Synced Oct 23, 2026, 11:35 AM EDT
Completed No phase listed Observational

Fontan Imaging Biomarkers (FIB) Study

NCT03119090
View directory record Official record
Conditions
Single-ventricle, Congenital Heart Disease
Interventions
Not listed
Lead sponsor
Boston Children's Hospital
Other
Eligibility
3 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 5, 2021 · Synced Oct 23, 2026, 11:35 AM 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 17, 2017 · Synced Oct 23, 2026, 11:35 AM EDT
Not yet recruiting No phase listed Observational

Occlutech AFR Fontan Study

NCT07532369
View directory record Official record
Conditions
Failure of Fontan Type Circulation, Fenestration, Univentricular Heart, Congenital Anomaly
Interventions
Occlutech Atrial Flow Regulator Retrospective Data Collection
Device
Lead sponsor
Occlutech International AB
Industry
Eligibility
Not listed
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
7
States / cities
Birmingham, Alabama • Los Angeles, California • San Diego, California + 4 more
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Oct 23, 2026, 11:35 AM EDT
Withdrawn Not applicable Interventional

The Destination Therapy Evaluation for Failing Fontan Study

NCT01149603
View directory record Official record
Conditions
Failing Fontan Physiology, Failing Fontan, Single-ventricle, Single-ventricle Fontan, Single-ventricle Physiology
Interventions
HeartMate II Ventricular Assist Device
Device
Lead sponsor
Timothy Icenogle, MD
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2017
U.S. locations
1
States / cities
Spokane, Washington
Source: ClinicalTrials.gov public record
Updated Sep 21, 2017 · Synced Oct 23, 2026, 11:35 AM EDT
Not listed Not applicable Interventional

Association of Near Infrared Spectroscopy With Interstage Outcomes

NCT06538571
View directory record Official record
Conditions
Single-ventricle
Interventions
Near infrared spectroscopy
Diagnostic Test
Lead sponsor
Advocate Hospital System
Other
Eligibility
Up to 6 Months
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Oak Lawn, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 7, 2024 · Synced Oct 23, 2026, 11:35 AM 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 7, 2026 · Synced Oct 23, 2026, 11:35 AM EDT
Terminated Phase 1 Interventional

Pilot/Ph I Safety and Efficacy of ODSH in Protein Losing Enteropathy Secondary to Single Ventricle Palliative Surgery

NCT01161641
View directory record Official record
Conditions
Protein Losing Enteropathy
Interventions
ODSH at 0.125 mg/kg/h, ODSH at 0.375 mg/kg/h, ODSH at 0.250 mg/kg/h
Drug
Lead sponsor
Jazz Pharmaceuticals
Industry
Eligibility
6 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
4
States / cities
Los Angeles, California • Boston, Massachusetts • Ann Arbor, Michigan + 1 more
Source: ClinicalTrials.gov public record
Updated Dec 2, 2021 · Synced Oct 23, 2026, 11:35 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 Jun 1, 2017 · Synced Oct 23, 2026, 11:35 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 22, 2026 · Synced Oct 23, 2026, 11:35 AM EDT
Terminated No phase listed Observational

Intra-Atrial vs. Extra-Cardiac Technique During Fontan Operation

NCT00266942
View directory record Official record
Conditions
Congenital Disorders
Interventions
Not listed
Lead sponsor
Children's Healthcare of Atlanta
Other
Eligibility
Up to 18 Years
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1990 – 2007
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated May 23, 2007 · Synced Oct 23, 2026, 11:35 AM EDT
Completed Not applicable Interventional

Cognitive Intervention to Improve Working Memory

NCT03687008
View directory record Official record
Conditions
Single Ventricle Heart Disease
Interventions
Cognitive Computer Based Intervention
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
14 Years to 18 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 21, 2022 · Synced Oct 23, 2026, 11:35 AM EDT
Completed Phase 4 Interventional Results available

Effect of Carvedilol on Exercise Performance in Fontan Patients

NCT02946892
View directory record Official record
Conditions
Single Ventricle, Fontan
Interventions
Carvedilol, Placebo
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
10 Years to 35 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jan 22, 2021 · Synced Oct 23, 2026, 11:35 AM EDT