Independent directory Public ClinicalTrials.gov records United States
Clear filters
ClinicalTrials.gov public records Last synced Jul 22, 2026, 6:13 AM EDT

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

Showing 1–15 of 15 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Single Ventricle
Interventions
Treprostinil
Drug
Lead sponsor
Stanford University
Other
Eligibility
1 Year to 18 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Palo Alto, California
Completed Not applicable Interventional

Re-Energize Fontan

NCT04195451
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
Completed Phase 2Phase 3 Interventional Results available

Use of Vasopressin Following the Fontan Operation

NCT02975999
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
Completed No phase listed Observational

Fontan Imaging Biomarkers (FIB) Study

NCT03119090
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
Completed Phase 1Phase 2 Interventional Results available

Pharmacokinetic/Pharmacodynamic Study of Udenafil in Adolescents

NCT02201342
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
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
Completed Phase 2Phase 3 Interventional Results available

Early Use of Vasopressin in Post-Fontan Management

NCT03088345
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
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
Conditions
Congenital Heart Disease, Single Ventricle, Myocardial Fibrosis
Interventions
Not listed
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 90 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
1
States / cities
Portland, Oregon
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
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
Completed Not applicable Interventional Results available

Spironolactone in Patients With Single Ventricle Heart

NCT00211081
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
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
Completed Phase 3 Interventional Results available

A Extension Study of Udenafil in Adolescents

NCT03013751
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
Conditions
Congenital Heart Disease, SRV Dependent
Interventions
Autologous mononuclear cells
Biological
Lead sponsor
Timothy J Nelson, MD, PhD
Other
Eligibility
2 Years to 5 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
6
States / cities
Birmingham, Alabama • Los Angeles, California • Aurora, Colorado + 3 more