A Extension Study of Udenafil in Adolescents
Public ClinicalTrials.gov record NCT03013751. 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
A Phase III Extension Study of Udenafil in Adolescents With Single Ventricle Physiology After Fontan Palliation
Study identification
- NCT ID
- NCT03013751
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- Mezzion Pharma Co. Ltd
- Industry
- Enrollment
- 301 participants
Conditions and interventions
Conditions
Interventions
- Udenafil Drug
Drug
Eligibility (public fields only)
- Age range
- 12 Years to 18 Years
- 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 5, 2017
- Primary completion
- Dec 29, 2019
- Completion
- Dec 19, 2022
- Last update posted
- Dec 8, 2025
2017 – 2022
United States locations
- U.S. sites
- 21
- U.S. states
- 19
- U.S. cities
- 21
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Phoenix Children's Hospital/Children's Heart Center at Phoenix Children's Hospital | Phoenix | Arizona | 85016 | — |
| Cedars/Sinai Heart Institute | Los Angeles | California | 90048 | — |
| Rady Children's Hospital | San Diego | California | 92123 | — |
| 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 | — |
| Johns Hopkins All Children's Heart Institute | St. Petersburg | Florida | 33701 | — |
| Children's Healthcare of Atlanta | Atlanta | Georgia | 30322 | — |
| Riley Hospital for Children/Herman B. Wells Center for Pediatric Research | Indianapolis | Indiana | 46201 | — |
| Boston Children's Hospital | Boston | Massachusetts | 02115 | — |
| University of Michigan Congenital Heart Center/C.S. Mott Children's Hospital | Ann Arbor | Michigan | 48109-4204 | — |
| Children's Mercy Hospital Kansas City | Kansas City | Missouri | 64108 | — |
| Washington University St. Louis/St.Louis Children's Hospital | St Louis | Missouri | 63110 | — |
| Children's Hospital of New York | New York | New York | 10032 | — |
| 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 | — |
| Texas Children's Hospital | Houston | Texas | 77030 | — |
| Primary Children's Medical Hospital/Dept. of Pediatric Cardiology | Salt Lake City | Utah | 84113 | — |
| Seattle Children's Hosptial | Seattle | Washington | 98105 | — |
| 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 3 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT03013751, 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 Dec 8, 2025 · Synced Jul 21, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete protocol, eligibility criteria, and contact information for NCT03013751 live on ClinicalTrials.gov.