- Conditions
- Pulmonary Arterial Hypertension
- Interventions
- sapropterin dihydrochloride (6R-BH4)
- Drug
- Lead sponsor
- Vanderbilt University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 14 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008
- U.S. locations
- 1
- States / cities
- Nashville, Tennessee
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Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.
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Showing 25–33
of 9
matching trials from the live ClinicalTrials.gov search.
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- Conditions
- BH4 Deficiency, Hyperphenylalaninemia
- Interventions
- PTC923
- Drug
- Lead sponsor
- PTC Therapeutics
- Industry
- Eligibility
- 12 Months and older
- Enrollment
- 8 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2020
- U.S. locations
- 4
- States / cities
- Minneapolis, Minnesota • Dallas, Texas • Salt Lake City, Utah + 1 more
- Conditions
- Hypertension
- Interventions
- Tetrahydrobiopterin
- Drug
- Lead sponsor
- Emory University
- Other
- Eligibility
- 18 Years to 75 Years
- Enrollment
- 24 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2004 – 2005
- U.S. locations
- 1
- States / cities
- Atlanta, Georgia
- 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
- 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
- Conditions
- Schizophrenia, Schizoaffective Disorder
- Interventions
- Kuvan, Multivitamin
- Drug
- Lead sponsor
- New York State Psychiatric Institute
- Other
- Eligibility
- 18 Years to 64 Years
- Enrollment
- 27 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2016
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Phenylketonuria
- Interventions
- Kuvan, Diet
- Drug · Other
- Lead sponsor
- University of Miami
- Other
- Eligibility
- 4 Years and older
- Enrollment
- 21 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2011
- U.S. locations
- 1
- States / cities
- Miami, Florida
- 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
- Heart Failure With Preserved Ejection Fraction, Inflammation
- Interventions
- L-Citrulline, Placebo for L-Citrulline, BH4, Placebo for BH4, Atorvastatin, Placebo for Atorvastatin
- Drug
- Lead sponsor
- VA Office of Research and Development
- Federal
- Eligibility
- 18 Years and older
- Enrollment
- 90 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2030
- U.S. locations
- 1
- States / cities
- Salt Lake City, Utah