Fontan Udenafil Exercise Longitudinal Assessment Trial - 2 — StellaPhase 3 — Large-scale testing across thousands of people, comparing the new treatment against current standard treatments.
Trial locations(40 sites)
United States
Phoenix Children's Hospital, Phoenix, Arizona Arkansas Children's, Little Rock, Arkansas Children's Hospital of Los Angeles, Los Angeles, California Rady Children's Hospital, San Diego, California UCSF Benioff Children's Hospital, San Francisco, California Children's Hospital of Colorado, Denver, Colorado Yale School of Medicine, New Haven, Connecticut Nemours Children's Hospital, Wilmington, Delaware Childrens National Medical Center, Washington D.C., District of Columbia UF Health Shands Hospital, Gainesville, Florida Joe DiMaggio Children's Hospital, Hollywood, Florida Johns Hopkins All Children's Hospital, St. Petersburg, Florida Children's Healthcare of Atlanta, Atlanta, Georgia Children's Hospital of Georgia, Augusta, Georgia Lurie Children's Hospital, Chicago, Illinois University of Chicago, Chicago, Illinois Boston Children's Hospital, Boston, Massachusetts University of Michigan, Ann Arbor, Michigan Children's Mercy Hospital Kansas City, Kansas City, Missouri Washington University, St Louis, Missouri University of Nebraska Children's Hospital and Medical Center, Omaha, Nebraska Mt. Sinai Children's Hospital, New York, New York New York-Presbyterian Children's Hospital, New York, New York Dana.Amaro@atriumhealth.org, Charlotte, North Carolina Duke University Medical Center, Durham, North Carolina Cincinnati Childrens Hospital Medical Center, Cincinnati, Ohio Cleveland Clinic, Cleveland, Ohio Nationwide Children's Hospital, Columbus, Ohio Children's Hospital of Philadelphia, Philadelphia, Pennsylvania Children's Hospital of Pittsburgh, Pittsburgh, Pennsylvania MUSC Pediatric Research Group, Charleston, South Carolina Vanderbilt University Medical Center, Nashville, Tennessee UT Southwestern Medical Center, Dallas, Texas Texas Children's Hospital, Houston, Texas Primary Children's Medical Center, Salt Lake City, Utah Seattle Children's Hospital, Seattle, Washington Children's Hospital of Wisconsin, Milwaukee, Wisconsin South Korea
Sejong General Hospital, Bucheon-si, Gyeonggi-do Seoul National University Children's Hospital, Seoul Yonsei Severance Hospital, Seoul Last updated October 2025