- Conditions
- Tetrahydrobiopterin Deficiencies, Hyperphenylalaninemia, Non-Phenylketonuric
- Interventions
- Phenoptin
- Drug
- Lead sponsor
- BioMarin Pharmaceutical
- Industry
- Eligibility
- Not listed
- Enrollment
- 12 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2006 – 2009
- U.S. locations
- 9
- States / cities
- Los Angeles, California • Chicago, Illinois • Minneapolis, Minnesota + 6 more
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 1–5
of 5
matching trials from the live ClinicalTrials.gov search.
- Conditions
- Endothelial Dysfunction
- Interventions
- Sapropterin Dihydrochloride, Sapropterin Dihydrochloride and Vitamin C
- Drug
- Lead sponsor
- BioMarin Pharmaceutical
- Industry
- Eligibility
- 18 Years to 75 Years
- Enrollment
- 52 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2007 – 2009
- U.S. locations
- 1
- States / cities
- Hackensack, New Jersey
- Conditions
- COPD, Tetrahydrobiopterin Deficiency, Oxidative Stress
- Interventions
- Tetrahydrobiopterin, Placebo oral tablet
- Drug
- Lead sponsor
- University of Massachusetts, Amherst
- Other
- Eligibility
- 18 Years to 85 Years
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2022
- U.S. locations
- 1
- States / cities
- Amherst, Massachusetts
- 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
- 6R-BH4 (sapropterin dihydrochloride)
- Drug
- Lead sponsor
- BioMarin Pharmaceutical
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 84 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2006 – 2008
- U.S. locations
- 24
- States / cities
- Hoover, Alabama • Huntsville, Alabama • Mobile, Alabama + 21 more