Heart drug shows promise for teens with rare heart defect
NCT ID NCT03013751
First seen Jan 06, 2026 · Last updated May 09, 2026 · Updated 20 times
Summary
This study looked at the long-term safety of a drug called udenafil in teenagers who have a rare heart condition where one side of the heart is not fully formed. The teens had already had a special surgery called the Fontan procedure. The study lasted 12 months and included 301 participants. The main goal was to see if taking udenafil for a long time is safe and to check for any side effects.
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This is a summary of
the original study
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Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Contacts and locations
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Locations
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Boston Children's Hospital
Boston, Massachusetts, 02115, United States
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Cedars/Sinai Heart Institute
Los Angeles, California, 90048, United States
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Children's Healthcare of Atlanta
Atlanta, Georgia, 30322, United States
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Children's Hospital Colorado
Aurora, Colorado, 80045, United States
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Children's Hospital of New York
New York, New York, 10032, United States
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Children's Hospital of Philadelphia
Philadelphia, Pennsylvania, 19104, United States
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Children's Hospital of Wisconsin
Milwaukee, Wisconsin, 53226, United States
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Children's Mercy Hospital Kansas City
Kansas City, Missouri, 64108, United States
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Children's National Medical Center
Washington D.C., District of Columbia, 20008, United States
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Cincinnati Children's Hospital Medical Center
Cincinnati, Ohio, 45229, United States
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Johns Hopkins All Children's Heart Institute
St. Petersburg, Florida, 33701, United States
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Medical University of South Carolina
Charleston, South Carolina, 29425, United States
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Nemours Cardiac Center/Alfred I. duPont Hospital for Children
Wilmington, Delaware, 19803, United States
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Phoenix Children's Hospital/Children's Heart Center at Phoenix Children's Hospital
Phoenix, Arizona, 85016, United States
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Primary Children's Medical Hospital/Dept. of Pediatric Cardiology
Salt Lake City, Utah, 84113, United States
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Rady Children's Hospital
San Diego, California, 92123, United States
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Riley Hospital for Children/Herman B. Wells Center for Pediatric Research
Indianapolis, Indiana, 46201, United States
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Seattle Children's Hosptial
Seattle, Washington, 98105, United States
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Sejong General Hospital
Bucheon-si, Gyeonggi-do, 14754, South Korea
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Seoul National University Children's Hospital
Seoul, 110-744, South Korea
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Texas Children's Hospital
Houston, Texas, 77030, United States
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The Hospital for Sick Children
Toronto, Ontario, ON M5G 1X8, Canada
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University of Michigan Congenital Heart Center/C.S. Mott Children's Hospital
Ann Arbor, Michigan, 48109-4204, United States
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Washington University St. Louis/St.Louis Children's Hospital
St Louis, Missouri, 63110, United States
Conditions
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