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ClinicalTrials.gov public records Last synced May 21, 2026, 8:02 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 77 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Fontan Clear all
Recruiting No phase listed Observational
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 May 21, 2026, 8:02 PM EDT
Completed Phase 1 Interventional
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 May 21, 2026, 8:02 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Single-ventricle, Congenital Heart Disease
Interventions
EECP
Device
Lead sponsor
Boston Children's Hospital
Other
Eligibility
18 Years and older
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 12, 2023 · Synced May 21, 2026, 8:02 PM EDT
Completed Phase 4 Interventional Results available
View directory record Official record
Conditions
Single Ventricle Heart Disease After Fontan Surgery
Interventions
Cardiac catheterization
Diagnostic Test
Lead sponsor
Medical University of South Carolina
Other
Eligibility
3 Years to 40 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Dec 6, 2018 · Synced May 21, 2026, 8:02 PM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Liver Fibroses
Interventions
Ultrasound with ARFI (acoustic radiation force impulse), Ultrasound with backscatter imaging
Device
Lead sponsor
University of Michigan
Other
Eligibility
2 Years to 5 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 1, 2020 · Synced May 21, 2026, 8:02 PM EDT
Completed Phase 3 Interventional Results available
View directory record Official record
Conditions
Thrombosis
Interventions
Rivaroxaban, Acetylsalicylic Acid
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
2 Years to 8 Years
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
17
States / cities
Los Angeles, California • Gainesville, Florida • Oak Lawn, Illinois + 14 more
Source: ClinicalTrials.gov public record
Updated Mar 29, 2025 · Synced May 21, 2026, 8:02 PM EDT
Completed No phase listed Observational
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 May 21, 2026, 8:02 PM EDT
Terminated Phase 2Phase 3 Interventional Results available
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 May 21, 2026, 8:02 PM EDT
Terminated Phase 2 Interventional Results available
View directory record Official record
Conditions
Heart Defects, Congenital
Interventions
nesiritide, milrinone, placebo
Drug
Lead sponsor
John M Costello
Other
Eligibility
Not listed
Enrollment
106 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 24, 2018 · Synced May 21, 2026, 8:02 PM EDT
Completed Phase 4 Interventional Results available
View directory record Official record
Conditions
Single Ventricle Fontan Palliation
Interventions
Ambrisentan
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 50 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated May 6, 2018 · Synced May 21, 2026, 8:02 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Cirrhosis, Liver, Gastroesophageal Varices, Fontan Procedure
Interventions
Ensure Plus®, Pre-clinical validation contrast enhanced MRI, Clinical validation MRI, Pre-clinical validation contrast enhanced MRI + fasting
Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
146 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Apr 8, 2026 · Synced May 21, 2026, 8:02 PM EDT
Completed Phase 4 Interventional Results available
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 21, 2021 · Synced May 21, 2026, 8:02 PM EDT
Completed No phase listed Observational
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 May 21, 2026, 8:02 PM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Fontan Procedure
Interventions
Cholate assay
Device
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 9, 2022 · Synced May 21, 2026, 8:02 PM EDT
Withdrawn Not applicable Interventional
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 20, 2017 · Synced May 21, 2026, 8:02 PM EDT
Completed Phase 2Phase 3 Interventional Results available
View directory record Official record
Conditions
Congenital Heart Defect
Interventions
inhaled nitric oxide (iNO)
Drug
Lead sponsor
Ellen Spurrier
Other
Eligibility
1 Year to 5 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Wilmington, Delaware
Source: ClinicalTrials.gov public record
Updated May 18, 2023 · Synced May 21, 2026, 8:02 PM EDT
Completed Phase 2Phase 3 Interventional Results available
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 May 21, 2026, 8:02 PM EDT
Completed Phase 3 Interventional Results available
View directory record Official record
Conditions
Congenital Heart Disease
Interventions
Macitentan 10 mg, Placebo
Drug
Lead sponsor
Actelion
Industry
Eligibility
12 Years and older
Enrollment
142 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
6
States / cities
Birmingham, Alabama • Los Angeles, California • Boston, Massachusetts + 3 more
Source: ClinicalTrials.gov public record
Updated Mar 29, 2025 · Synced May 21, 2026, 8:02 PM EDT
Completed Not applicable Interventional Results available
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 May 21, 2026, 8:02 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
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 May 21, 2026, 8:02 PM EDT
Recruiting Phase 3 Interventional
View directory record Official record
Conditions
Fontan Palliation
Interventions
Tadalafil, Placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 13, 2025 · Synced May 21, 2026, 8:02 PM EDT
Completed Phase 3 Interventional Results available
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 May 21, 2026, 8:02 PM EDT
Recruiting Phase 2 Interventional
View directory record Official record
Conditions
HLH - Hypoplastic Left Heart Syndrome, DORV, DILV - Double Inlet Left Ventricle, Mitral Atresia, Tricuspid Atresia, Unbalanced AV Canal, Single-ventricle, Heart Defects, Congenital, Cardiovascular Abnormalities, Cardiovascular Diseases, Heart Diseases
Interventions
Tissue Engineered Vascular Grafts
Combination Product
Lead sponsor
Nationwide Children's Hospital
Other
Eligibility
Not listed
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 26, 2025 · Synced May 21, 2026, 8:02 PM EDT
Terminated Phase 4 Interventional Results available
View directory record Official record
Conditions
Fontan Procedure
Interventions
Aspirin
Drug
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated May 17, 2018 · Synced May 21, 2026, 8:02 PM EDT