Evaluation of Fontan-associated Hepatic Stiffness and the Efficacy of Udenafil in Reducing Liver Stiffness
Public ClinicalTrials.gov record NCT03430583. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Imaging and Biomarker Evaluation of Hepatic Stiffness in Children Enrolled in the Fontan Udenafil Exercise Longitudinal Study
Study identification
- NCT ID
- NCT03430583
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- Mezzion Pharma Co. Ltd
- Industry
- Enrollment
- 88 participants
Conditions and interventions
Conditions
Interventions
- Udenafil Drug
Drug
Eligibility (public fields only)
- Age range
- 12 Years and older
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Feb 19, 2018
- Primary completion
- Sep 14, 2020
- Completion
- Sep 15, 2020
- Last update posted
- Oct 13, 2025
2018 – 2020
United States locations
- U.S. sites
- 16
- U.S. states
- 16
- U.S. cities
- 16
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Children's Hospital Colorado | Aurora | Colorado | 80045 | — |
| Nemours Cardiac Center/Alfred I. duPont Hospital for Children | Wilmington | Delaware | 19803 | — |
| Children's National Medical Center | Washington D.C. | District of Columbia | 20008 | — |
| Children's Healthcare of Atlanta | Atlanta | Georgia | 30322 | — |
| Children's Mercy Hospital | Kansas City | Kansas | 64108 | — |
| Boston Children's Hospital | Boston | Massachusetts | 02115 | — |
| University of Michigan Congenital Heart Center | Ann Arbor | Michigan | 48109-4204 | — |
| Children's Mercy Hospital Kansas City | Kansas City | Missouri | 64108 | — |
| University of Nebraska Children's Hospital and Medical Center | Omaha | Nebraska | 68114 | — |
| Cincinnati Children's Hospital Medical Center | Cincinnati | Ohio | 45229 | — |
| Children's Hospital of Philadelphia | Philadelphia | Pennsylvania | 19104 | — |
| Medical University of South Carolina | Charleston | South Carolina | 29425 | — |
| Vanderbilt University Medical Center | Nashville | Tennessee | 37232 | — |
| Texas Children's Hospital | Houston | Texas | 77030 | — |
| Primary Children's Medical Hospital/Dept. of Pediatric Cardiology | Salt Lake City | Utah | 84113 | — |
| Children's Hospital of Wisconsin | Milwaukee | Wisconsin | 53226 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 1 non-U.S. site.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT03430583, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Oct 13, 2025 · Synced Jul 22, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT03430583 live on ClinicalTrials.gov.