Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 5, 2026, 7:12 AM EDT

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Showing 49–52 of 52 matching trials from the live ClinicalTrials.gov search.
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 (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
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
Spinal Muscular Atrophy Type I
Interventions
sodium phenylbutyrate
Drug
Lead sponsor
Westat
Other
Eligibility
2 Months to 48 Months
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
5
States / cities
Stanford, California • Boston, Massachusetts • New York, New York + 2 more