- Conditions
- GTP Cyclohydrolase Deficiency
- Interventions
- Sapropterin
- Drug
- Lead sponsor
- University of Utah
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 12 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2013
- U.S. locations
- 1
- States / cities
- Salt Lake City, Utah
Search Results
Search by objective public record fields.
Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.
These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Showing 49–61
of 61
matching trials from the live ClinicalTrials.gov search.
- Conditions
- Phenylketonuria
- Interventions
- saproterin dihydrochloride, Diet treatment
- Drug · Other
- Lead sponsor
- University Hospitals Cleveland Medical Center
- Other
- Eligibility
- 2 Years to 60 Years
- Enrollment
- 7 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2019
- U.S. locations
- 1
- States / cities
- Cleveland, Ohio
- Conditions
- Phenylketonurias
- Interventions
- sapropterin dihydrochloride
- Drug
- Lead sponsor
- BioMarin Pharmaceutical
- Industry
- Eligibility
- 8 Years and older
- Enrollment
- 700 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2004 – 2005
- U.S. locations
- 13
- States / cities
- Los Angeles, California • Oakland, California • New Haven, Connecticut + 10 more
- Conditions
- Autistic Disorder
- Interventions
- Kuvan®
- Drug
- Lead sponsor
- The Children's Health Council
- Other
- Eligibility
- 3 Years to 6 Years
- Enrollment
- 41 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2012
- U.S. locations
- 1
- States / cities
- Palo Alto, California
- Conditions
- Cardiovascular Diseases, Cardiovascular Risk Factor, Vasoconstriction
- Interventions
- Control: Lacated Ringers, Apocynin, Allopurinol, BH4, NG Nitro L Arginine Methyl Ester, Sodium Nitroprusside, Acetyl-ß-methylcholine chloride
- Drug
- Lead sponsor
- The University of Texas at Arlington
- Other
- Eligibility
- 18 Years to 35 Years
- Enrollment
- 16 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2018
- U.S. locations
- 1
- States / cities
- Arlington, Texas
- Conditions
- Hyperphenylalaninemia, Phenylketonuria
- Interventions
- Sapropterin
- Drug
- Lead sponsor
- The University of Texas Health Science Center, Houston
- Other
- Eligibility
- 18 Years to 50 Years
- Enrollment
- 6 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2011 – 2012
- U.S. locations
- 1
- States / cities
- Houston, Texas
- Conditions
- Gastroparesis
- Interventions
- sapropterin dihydrochloride
- Drug
- Lead sponsor
- Stanford University
- Other
- Eligibility
- 18 Years to 65 Years · Female only
- Enrollment
- 9 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2012
- U.S. locations
- 1
- States / cities
- Stanford, California
- Conditions
- Menopause, Aging
- Interventions
- KUVAN, Placebo, Cetrotide, Climara, Placebo transdermal patch
- Drug
- Lead sponsor
- University of Colorado, Denver
- Other
- Eligibility
- 18 Years to 70 Years · Female only
- Enrollment
- 100 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2013 – 2016
- U.S. locations
- 1
- States / cities
- Aurora, Colorado
- Conditions
- Healthy
- Interventions
- Not listed
- Lead sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
- NIH
- Eligibility
- Male only
- Enrollment
- 18 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2000 – 2003
- U.S. locations
- 1
- States / cities
- Bethesda, Maryland
- Conditions
- Chronic Obstructive Pulmonary Disease (COPD)
- Interventions
- Tetrahydrobiopterin (BH4), Antioxidant Cocktail
- Drug · Dietary Supplement
- Lead sponsor
- Augusta University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 15 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2015 – 2018
- U.S. locations
- 1
- States / cities
- Augusta, Georgia
- Conditions
- Phenylketonurias
- Interventions
- sapropterin dihydrochloride, 6R-BH4, tetrahydrobiopterin
- Drug
- Lead sponsor
- BioMarin Pharmaceutical
- Industry
- Eligibility
- 8 Years and older
- Enrollment
- 89 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2005 – 2006
- U.S. locations
- 13
- States / cities
- Los Angeles, California • Oakland, California • New Haven, Connecticut + 10 more
- Conditions
- Cystic Fibrosis
- Interventions
- BH4 5mg, BH4 20mg, Antioxidant Cocktail
- Drug · Dietary Supplement
- Lead sponsor
- Augusta University
- Other
- Eligibility
- 7 Years and older
- Enrollment
- 64 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2011 – 2016
- U.S. locations
- 1
- States / cities
- Augusta, Georgia
- Conditions
- Rheumatologic Disease
- Interventions
- BH4, Vasculopathy assessment, Placebo
- Drug · Diagnostic Test
- Lead sponsor
- VA Office of Research and Development
- Federal
- Eligibility
- 18 Years to 95 Years
- Enrollment
- 12 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2016 – 2019
- U.S. locations
- 1
- States / cities
- Salt Lake City, Utah