Clinical trials: Hyperammonemia
Urea Cycle Disorders
To Evaluate the Safety of Long-term Use of HPN-100 in the Management of Urea Cycle Disorders (UCDs)
This was an open-label, long-term safety study of HPN-100 (RAVICTI; glycerol phenylbutyrate) in participants with a urea cycle disorder (UCD) who completed the safety extensions of HPN-100-005 (NCT00947544; HPN-100-005SE)…
- Trial name
- NCT01257737
- Testing
- HPN-100
- Where
- 16 sites in United States, Canada
- Volunteers
- 88 people
- Sponsor
- Amgen
Urea Cycle Disorder
A Safety and Efficacy Study of Infusions of HepaStem in Urea Cycle Disorders Pediatric Patients
This is a phase2, prospective, open label study designed to investigate the safety and efficacy of several infusions of HepaStem. This study will include 5 pediatric Urea Cycle Disorder (UCD) patients under 12 years old.
- Trial name
- NCT03884959
- Testing
- HepaStem Infusion
- Where
- South Korea
- Sponsor
- HLB Cell Co., Ltd.
Hyperammonemia
PK Profile and Preliminary Efficacy of TNP-2092 Capsules in Liver Cirrhosis Patients With Hyperammonemia
The aim of this study was to evaluate the safety, tolerability, and pharmacokinetic characteristics of TNP-2092 Capsules in liver cirrhosis patients with hyperammonemia; and to preliminarily observe the effects of the study drug…
- Trial name
- NCT06135675
- Testing
- TNP-2092 capsules
- Where
- China
- Volunteers
- 36 people
- Sponsor
- TenNor Therapeutics (Suzhou) Limited
Hyperammonemia
A Healthy Volunteer Study to Compare Fezagepras (PBI-4050) With Sodium Phenylbutyrate
The purpose of this study is to compare the safety, tolerability and pharmacokinetic profile of fezagepras (PBI-4050) to that of sodium phenylbutyrate (PBA) when both products are given as single ascending doses to healthy adult…
- Trial name
- NCT05349435
- Testing
- Fezagepras, Sodium phenylbutyrate
- Where
- United Kingdom
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- Liminal BioSciences Ltd.
Urea Cycle Disorders
Study of the Safety, Pharmacokinetics and Efficacy of HPN-100, in Pediatric Subjects With Urea Cycle Disorders (UCDs)
This non-randomized, open-label study was approximately one year in duration and consisted of a short term NaPBA to HPN-100 switchover part involving two overnight stays followed by a 12-month long term treatment period involving…
- Trial name
- NCT01347073
- Testing
- HPN-100
- Where
- 8 sites in United States
- Volunteers
- 23 people
- Sponsor
- Amgen
Urea Cycle Disorders
Study of the Safety and Tolerability of HPN-100 Compared to Sodium Phenylbutyrate in Children With Urea Cycle Disorders
Protocol HPN-100-005 was the first study of HPN-100 in pediatric subjects with urea cycle disorders (UCDs) and was a fixed-sequence, open-label, switch over study of HPN-100 with a long-term (12 month) safety extension designed…
- Trial name
- NCT00947544
- Testing
- HPN-100, NaPBA
- Where
- 8 sites in United States, Canada
- Volunteers
- 17 people
- Sponsor
- Amgen
Urea Cycle Disorders
Efficacy and Safety of HPN-100 for the Treatment of Adults With Urea Cycle Disorders
This was a randomized, active-controlled, double-blind, cross-over study designed to enroll subjects with UCDs who are being treated with NaPBA.
- Trial name
- NCT00992459
- Testing
- HPN-100, Buphenyl (NaPBA)
- Where
- 22 sites in United States, Canada
- Volunteers
- 46 people
- Sponsor
- Amgen
Hyperammonemia, Methylmalonic Acidemia
An Observational Study of Carbaglu® for the Treatment of MMA and PA in Adults and Pediatrics
To obtain short-term and long-term clinical safety information, in pediatric and adult patients with PA and MMA treated with Carbaglu®.
- Conditions
- Hyperammonemia, Methylmalonic Acidemia, Propionic Acidemia
- Trial name
- NCT05040178
- Testing
- Carglumic Acid
- Where
- 5 sites in United States
- Volunteers
- 20 people
- Sponsor
- RECORDATI GROUP
Ornithine Transcarbamylase Deficiency, Ornithine Transcarbamylase Deficiency Disease
Long-term Follow-up (LTFU) Study of Participants in Any iECURE Protocol Using an Investigational Product (IP)
This LTFU is being conducted to assess long-term safety and durability of response in participants dosed with IP in a parent protocol, and to collect longitudinal natural history in enrolled but not dosed participants who also…
- Conditions
- Ornithine Transcarbamylase Deficiency, Ornithine Transcarbamylase Deficiency Disease, Urea Cycle Disorders, Inborn
- Trial name
- NCT06805695
- Testing
- No Intervention
- Where
- 3 sites in United States, United Kingdom
- Volunteers
- 13 people
- Sponsor
- iECURE, Inc.
Hyperammonemia
A Phase 1 Study to Evaluate PK Profile and Food Effects on PK Parameters of TNP-2092 Capsules
The aim of the study was to evaluate the tolerability and pharmacokinetic characteristics of TNP-2092 Capsules after single-dose administration in healthy subjects, and the food effect on pharmacokinetics.
- Trial name
- NCT06178718
- Testing
- TNP-2092 capsules
- Where
- China
- Volunteers
- 58 people, healthy volunteers welcome
- Sponsor
- TenNor Therapeutics (Suzhou) Limited
Urea Cycle Disorder
A Study of the Safety, Efficacy and Pharmacokinetics of Glycerol Phenylbutyrate in Pediatric Subjects Under 2 Years of Age With Urea Cycle Disorders
This is an open-label study consisting of a transition period to RAVICTI, followed by a safety extension period for at least 6 months and up to 24 months of treatment with RAVICTI, depending on age at enrollment.
- Trial name
- NCT02246218
- Testing
- RAVICTI
- Where
- 17 sites in United States, Canada
- Volunteers
- 27 people
- Sponsor
- Amgen
Urea Cycle Disorders
Study of the Safety of HPN (Hyperion)-100 for the Long-Term Treatment of Urea Cycle Disorders (Treat UCD)
This was a long-term safety study HPN-100 in urea cycle disorder (UCD) subjects. Subjects were assessed regularly for safety and control of their venous ammonia.
- Trial name
- NCT00947297
- Testing
- HPN-100
- Where
- 22 sites in United States, Canada
- Volunteers
- 60 people
- Sponsor
- Amgen
Ornithine Transcarbamylase Deficiency, Ornithine Transcarbamylase Deficiency Disease
An Open-label Study to Investigate ECUR-506 in Male Babies Less Than 9 Months of Age With Neonatal Onset OTC Deficiency
Ornithine Transcarbamylase (OTC) deficiency, the most common urea cycle disorder, is an inherited metabolic disorder caused by a genetic defect in a liver enzyme responsible for detoxifying of ammonia.
- Conditions
- Ornithine Transcarbamylase Deficiency, Ornithine Transcarbamylase Deficiency Disease, Ornithine Carbamoyltransferase Deficiency (Disorder), Urea Cycle Disorders, Inborn
- Trial name
- NCT06255782
- Testing
- ECUR-506
- Where
- 12 sites in United States, Australia and 2 more
- Volunteers
- 20 people
- Sponsor
- iECURE, Inc.
Hepatic Encephalopathy
MNK-6105 for Patients With Cirrhosis and High Ammonia Levels Affecting Brain Function
This study is for patients with cirrhosis and hepatic encephalopathy who are in the hospital. This means they have a high ammonia level which is affecting their brain function.
- Trial name
- NCT04128462
- Testing
- MNK-6105, Standard of Care
- Sponsor
- Mallinckrodt
Acute Episode of Overt Hepatic Encephalopathy, Hepatic Encephalopathy
Phase 2B Efficacy/Safety of Ornithine Phenylacetate in Hospitalized Cirrhotic Patients With Hepatic Encephalopathy (STOP-HE)
The purpose of this study is to determine whether ornithine phenylacetate can speed recovery from an acute hepatic encephalopathy episode requiring hospitalization in cirrhotic patients.
- Trial name
- STOP-HE (NCT01966419)
- Testing
- ornithine phenylacetate
- Where
- 131 sites in United States, Australia and 15 more
- Volunteers
- 231 people
- Sponsor
- Ocera Therapeutics, Inc.