- Conditions
- Urea Cycle Disorders
- Interventions
- HPN-100, Buphenyl (NaPBA)
- Drug
- Lead sponsor
- Amgen
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 46 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2010
- U.S. locations
- 21
- States / cities
- Long Beach, California • Los Angeles, California • Stanford, California + 18 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 are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Showing 1–16
of 16
matching trials from the live ClinicalTrials.gov search.
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- Conditions
- Cirrhosis, Hepatic Encephalopathy
- Interventions
- HPN-100, Placebo
- Drug
- Lead sponsor
- Amgen
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 189 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2012
- U.S. locations
- 28
- States / cities
- Palo Alto, California • Washington D.C., District of Columbia • Miami, Florida + 21 more
- Conditions
- Cystic Fibrosis
- Interventions
- Ravicti low dose, Placebo
- Drug
- Lead sponsor
- National Jewish Health
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 16 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2022
- U.S. locations
- 3
- States / cities
- Denver, Colorado • Baltimore, Maryland • Philadelphia, Pennsylvania
- Conditions
- Medium-chain Acyl-CoA Dehydrogenase (MCAD) Deficiency
- Interventions
- Ravicti
- Drug
- Lead sponsor
- University of Pittsburgh
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 4 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2013 – 2016
- U.S. locations
- 1
- States / cities
- Pittsburgh, Pennsylvania
- Conditions
- Urea Cycle Disorders
- Interventions
- HPN-100
- Drug
- Lead sponsor
- Amgen
- Industry
- Eligibility
- 1 Year and older
- Enrollment
- 88 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2017
- U.S. locations
- 15
- States / cities
- Los Angeles, California • Palo Alto, California • Aurora, Colorado + 12 more
- Conditions
- Urea Cycle Disorders
- Interventions
- HPN-100
- Drug
- Lead sponsor
- Amgen
- Industry
- Eligibility
- 6 Years and older
- Enrollment
- 60 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2011
- U.S. locations
- 21
- States / cities
- Long Beach, California • Los Angeles, California • Stanford, California + 18 more
- Conditions
- Urea Cycle Disorders
- Interventions
- HPN-100
- Drug
- Lead sponsor
- Amgen
- Industry
- Eligibility
- 29 Days to 6 Years
- Enrollment
- 23 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2013
- U.S. locations
- 8
- States / cities
- Los Angeles, California • Washington D.C., District of Columbia • Portland, Maine + 5 more
- Conditions
- STXBP1 Encephalopathy With Epilepsy, SLC6A1 Neurodevelopmental Disorder, Developmental and Epileptic Encephalopathy
- Interventions
- Glycerol Phenylbutyrate 1100 MG/ML [Ravicti]
- Drug
- Lead sponsor
- Weill Medical College of Cornell University
- Other
- Eligibility
- 0 Months to 17 Years
- Enrollment
- 50 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2026
- U.S. locations
- 2
- States / cities
- Aurora, Colorado • New York, New York
- Conditions
- Urea Cycle Disorders
- Interventions
- HPN-100, BUPHENYL®
- Drug
- Lead sponsor
- Amgen
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 14 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2007 – 2008
- U.S. locations
- 2
- States / cities
- Minneapolis, Minnesota • Houston, Texas
- Conditions
- Urea Cycle Disorder
- Interventions
- RAVICTI
- Drug
- Lead sponsor
- Amgen
- Industry
- Eligibility
- 1 Day to 2 Years
- Enrollment
- 27 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2017
- U.S. locations
- 16
- States / cities
- Los Angeles, California • Palo Alto, California • Washington D.C., District of Columbia + 13 more
- Conditions
- Urea Cycle Disorder
- Interventions
- RAVICTI, NaPBA
- Drug
- Lead sponsor
- Amgen
- Industry
- Eligibility
- Up to 99 Years
- Enrollment
- 16 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2022
- U.S. locations
- 6
- States / cities
- Gainesville, Florida • New York, New York • Cleveland, Ohio + 3 more
- Conditions
- Parkinson's Disease
- Interventions
- Glycerol Phenylbutyrate
- Drug
- Lead sponsor
- University of Colorado, Denver
- Other
- Eligibility
- 21 Years to 80 Years
- Enrollment
- 38 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2014 – 2019
- U.S. locations
- 1
- States / cities
- Aurora, Colorado
- Conditions
- ACHROMATOPSIA 7, Achromatopsia
- Interventions
- PBA
- Drug
- Lead sponsor
- Columbia University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 2 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2027
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Drug Toxicity
- Interventions
- HPN-100, HPN-100 or Placebo, Placebo, Moxifloxacin
- Drug
- Lead sponsor
- Amgen
- Industry
- Eligibility
- 18 Years to 45 Years
- Enrollment
- 98 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2010
- U.S. locations
- 1
- States / cities
- Madison, Wisconsin
- Conditions
- Urea Cycle Disorder
- Interventions
- Not listed
- Lead sponsor
- Amgen
- Industry
- Eligibility
- Not listed
- Enrollment
- 203 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2013 – 2020
- U.S. locations
- 1
- States / cities
- Blue Bell, Pennsylvania
- Conditions
- Urea Cycle Disorders
- Interventions
- HPN-100, NaPBA
- Drug
- Lead sponsor
- Amgen
- Industry
- Eligibility
- 6 Years to 17 Years
- Enrollment
- 17 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2011
- U.S. locations
- 7
- States / cities
- Los Angeles, California • Washington D.C., District of Columbia • New York, New York + 4 more