Clinical trials: Amino Acids
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
Phenylketonuria
Long-Term Extension of Previous rAvPAL-PEG Protocols in Subjects With PKU (PAL-003)
This study is an extension of previous rAvPAL-PEG studies. Administration of rAvPAL-PEG will be continued to assess whether long-term dosing of rAvPAL-PEG is safe and can maintain reduced blood Phe concentrations in PKU subjects.
- Trial name
- NCT00924703
- Testing
- rAvPAL-PEG
- Where
- 14 sites in United States
- Volunteers
- 68 people
- Sponsor
- BioMarin Pharmaceutical
Growth Hormone, Amino Acid
Single Low-Dose of Supplement Amino Acid
The purpose of the study is to confirm the results of a prior study that demonstrated pills containing two amino acids which are in foods increased growth hormone and insulin-like growth factor-1.
- Trial name
- NCT01540773
- Testing
- Amino acid supplement
- Where
- United States
- Volunteers
- 16 people
- Sponsor
- Pennington Biomedical Research Center
Phenylketonuria
Fluorodeoxyglucose Positron Emission Tomography (FDG PET) Findings in Patients With Phenylketonuria Before and After KUVAN Therapy
The aim of this pilot study is to determine if there are any changes in brain glucose metabolism in the gray matter of patients with Phenylketonuria (PKU) and whether administration of Sapropterin (KUVAN) therapy can improve such…
- Trial name
- PKU (NCT00986973)
- Testing
- Sapropterin
- Where
- United States
- Volunteers
- 6 people
- Sponsor
- Children's Hospital of Philadelphia
Alkaptonuria
Nitisinone (NTBC) In Different Age Groups Of Patients With Alkaptonuria
Nitisinone is a potent inhibitor of the enzyme that catalyzes the formation of homogentisic acid, and should be an even more logical treatment for alkaptonuria than for tyrosinemia, for which it has been approved by the FDA.The…
- Trial name
- NCT01390077
- Testing
- Nitisinone
- Where
- United States
- Volunteers
- 8 people
- Sponsor
- University of California, San Diego
Phenylketonurias
Open-label, Randomized, 2-way Crossover, Monocentric, Controlled Study to Evaluate the Effect on Daily PHE Fluctuation of PKU GOLIKE Versus SoC in Patients With PKU.
This is an open-label, randomized, 2-way crossover, monocentric controlled study in patients (≥ 16 years old) with phenylketonuria (PKU).
- Trial name
- NCT05827536
- Testing
- PKU GOLIKE, Standard of Care
- Where
- Italy
- Volunteers
- 21 people
- Sponsor
- APR Applied Pharma Research s.a.
Muscle Protein Synthesis, Whole-body Protein Balance
Essential Amino Acids and Protein Kinetics During Caloric Deprivation
The amount of essential amino acids (EAA) necessary to maximally stimulate muscle protein synthesis and optimize whole-body net protein balance during caloric deprivation has not been determined.
- Trial name
- NCT03372928
- Testing
- Standard EAA, High EAA
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- United States Army Research Institute of Environmental Medicine
Polycystic Ovarian Syndrome, Obesity
Oral Amino Acid Nutrition to Improve Glucose Excursions in PCOS
The Investigators will measure hepatic glucose and fat metabolism in obese girls with Polycystic Ovarian Syndrome (PCOS) and hepatic steatosis (HS) after taking 4 weeks of an essential amino acid (EAA) supplement or placebo and…
- Conditions
- Polycystic Ovarian Syndrome, Obesity, Hepatic Steatosis
- Trial name
- ORANGE (NCT03717935)
- Testing
- Essential Amino Acid (EAA) Supplement
- Where
- United States
- Volunteers
- 27 people
- Sponsor
- University of Colorado, Denver
Glioblastoma
Gliadel Wafer and Fluorescence-Guided Surgery With 5-ALA Followed by Radiation Therapy And Temozolomide in Treating Patients With Primary Glioblastoma
RATIONALE: Drugs used in chemotherapy, such as Gliadel wafer and temozolomide, work in different ways to stop the growth of tumor cells, either by killing the cells or by stopping them from dividing.
- Trial name
- NCT01310868
- Testing
- 5-ALA, Gliadel wafers, Radiotherapy as normal based on standard clinical protocols determined by the neuro-oncologist
- Where
- 10 sites in United Kingdom
- Volunteers
- 59 people
- Sponsor
- University College, London
Albinism
Trial of L-DOPA as a Treatment to Improve Vision in Albinism
This project will evaluate the effect of two doses of levodopa (L-DOPA) in a randomized, placebo-controlled, double-masked clinical trial to see if vision can be improved in individuals with albinism.
- Trial name
- NCT01176435
- Testing
- Levodopa
- Where
- United States
- Volunteers
- 45 people
- Sponsor
- University of Minnesota
Hermansky-Pudlak Syndrome (HPS), Pulmonary Fibrosis
Pilot Study of a Multi-Drug Regimen for Severe Pulmonary Fibrosis in Hermansky-Pudlak Syndrome
This study will examine whether five drugs (pravastatin, Losartan, Zileuton, N-acetylcysteine and erythromycin) used together can slow the course of pulmonary fibrosis (scarring of the lung tissue) in patients with…
- Conditions
- Hermansky-Pudlak Syndrome (HPS), Pulmonary Fibrosis, Oculocutaneous Albinism, Platelet Storage Pool Deficiency
- Trial name
- NCT00467831
- Testing
- Losartan, Zileuton, N-Acetylcysteine
- Where
- United States
- Volunteers
- 3 people
- Sponsor
- National Human Genome Research Institute (NHGRI)
Prematurity
Neurodevelopmental and Growth Outcomes of Early, Aggressive Protein Intake in Very Low Birthweight Infants
The purpose of this study is to determine whether providing increased protein to premature infants in the first week of life allows for better growth during the hospital stay and improved developmental outcomes by age 2.
- Trial name
- NCT01860573
- Testing
- Amino acids
- Where
- United States
- Volunteers
- 168 people
- Sponsor
- Women and Infants Hospital of Rhode Island
Alkaptonuria
Long-Term Study of Nitisinone to Treat Alkaptonuria
This 3-year study will examine the safety and effectiveness of long-term use of nitisinone (Orfadin) for treating joint problems in patients with alkaptonuria, an inherited disease in which a compound called homogentisic acid…
- Trial name
- NCT00107783
- Testing
- Nitisinone (NTBC)
- Where
- United States
- Volunteers
- 40 people
- Sponsor
- National Human Genome Research Institute (NHGRI)
Phenylketonuria
Safety, Tolerability, and Efficacy Study of rAvPAL-PEG Administered Daily in Subjects With Phenylketonuria (PKU)
The purpose of this study is to evaluate the effect of daily administration of rAvPAL-PEG on the reduction of blood Phe concentrations in subjects with PKU.
- Trial name
- NCT01212744
- Testing
- rAvPAL-PEG
- Where
- 9 sites in United States
- Volunteers
- 16 people
- Sponsor
- BioMarin Pharmaceutical
Phenylketonuria
Phase 2 Study of Glycomacropeptide Versus Amino Acid Diet for Management of Phenylketonuria
For individuals with Phenylketonuria (PKU), the investigators hypothesize that glycomacropeptide will provide an acceptable form of low-phenylalanine dietary protein that will improve dietary compliance, blood phenylalanine…
- Trial name
- PKU (NCT01428258)
- Testing
- GMP Diet/GMP Medical Foods, AA Diet/AA Medical Foods
- Where
- 2 sites in United States
- Volunteers
- 32 people
- Sponsor
- University of Wisconsin, Madison
Age-related Macular Degeneration, Stargardt Disease
Efficacy of Acupuncture in Macular Diseases
This is a single-arm study designed to assess the efficacy of acupuncture (Traditional Chinese Medicine) for chronic macular diseases of several types.
- Conditions
- Age-related Macular Degeneration, Stargardt Disease, Macular Dystrophy
- Trial name
- AMAD (NCT02255981)
- Testing
- Acupuncture and massage
- Where
- 2 sites in Colombia
- Volunteers
- 33 people
- Sponsor
- Escuela Neijing
Phenylketonuria (PKU)
Effects of Kuvan on Melatonin Secretion
This study examines the effect of tetrahydrobiopterin (Kuvan) and Large Neutral Amino Acid (LNAA) therapy on melatonin and dopamine levels in individuals with Phenylketonuria (PKU).
- Trial name
- NCT01617070
- Testing
- Kuvan, Large Neutral Amino Acid Therapy
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- University of Southern California
Urea Cycle Disorder
Study of Glycerol Phenylbutyrate & Sodium Phenylbutyrate in Phenylbutyrate Naïve Patients With Urea Cycle Disorders (UCDs)
This is a randomized, controlled, open-label parallel arm study to assess the safety, tolerability, pharmacokinetics and ammonia control, of RAVICTI® as compared to Sodium phenylbutyrate (NaPBA) in urea cycle disorder subjects…
- Trial name
- NCT03335488
- Testing
- RAVICTI, NaPBA
- Where
- 11 sites in United States, Italy and 2 more
- Volunteers
- 16 people
- Sponsor
- Amgen
Phenylketonuria
The Effectiveness of Kuvan in Amish PKU Patients
The purpose of this study is to determine if Amish patients with PKU show responsiveness after a high dose, prolonged Saproterin trial.
- Trial name
- NCT02677870
- Testing
- saproterin dihydrochloride, Diet treatment
- Where
- United States
- Volunteers
- 7 people
- Sponsor
- University Hospitals Cleveland Medical Center
Phenylketonuria (PKU)
Phase 3 Study to Evaluate the Efficacy & Safety of Self-Administered Injections of BMN165 by Adults With PKU
The BMN 165 clinical development program has been designed to demonstrate the safety and efficacy of BMN 165 in reducing blood Phe concentrations in adults with PKU.
- Trial name
- Prism-2 (NCT01889862)
- Testing
- BMN165 20mg/day, BMN165 40mg/day
- Where
- 29 sites in United States
- Volunteers
- 215 people
- Sponsor
- BioMarin Pharmaceutical