Clinical trials: Amino Acid
Phenylketonuria
Dose-Finding Study to Evaluate the Safety, Efficacy, & Tolerability of Multiple Doses of rAvPAL-PEG in Subjects With PKU
The purpose of this study is to evaluate whether weekly injections of phenylalanine ammonia lyase (rAvPAL-PEG) can reduce blood phenylalanine concentrations in PKU subjects and whether repeated administration is safe.
- Trial name
- NCT00925054
- Testing
- rAvPAL-PEG 0.001 mg/kg, rAvPAL-PEG 0.003 mg/kg, rAvPAL-PEG 0.01 mg/kg
- Where
- 11 sites in United States
- Volunteers
- 40 people
- Sponsor
- BioMarin Pharmaceutical
Anatomic Stage IV Breast Cancer AJCC v8, Invasive Breast Lobular Carcinoma
Fluciclovine and PSMA PET/CT for the Classification and Improved Staging of Invasive Lobular Breast Cancer
This phase I trial studies how well fluciclovine positron emission tomography (PET)/computed tomography (CT) and PSMA PET/CT work in helping doctors understand and classify invasive lobular breast cancer in patients with invasive…
- Conditions
- Anatomic Stage IV Breast Cancer AJCC v8, Invasive Breast Lobular Carcinoma, Metastatic Breast Lobular Carcinoma, Prognostic Stage IV Breast Cancer AJCC v8
- Trial name
- NCT04750473
- Testing
- Computed Tomography, Fluciclovine F18, Gallium Ga 68 Gozetotide
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- Emory University
Urea Cycle Disorders
Dose-Escalation Safety Study of HPN-100 to Treat Urea Cycle Disorders
The purpose of this study is to determine whether HPN-100 is safe and tolerable in subjects with Urea Cycle Disorders.
- Trial name
- NCT00551200
- Testing
- HPN-100, BUPHENYL®
- Where
- 2 sites in United States
- Volunteers
- 14 people
- Sponsor
- Amgen
Schizophrenia, Psychotic Disorders
Acute Glycine Pharmacodynamic Study
The purpose of this study is to use proton magnetic resonance spectroscopy (MRS) at 4 Tesla to measure brain glycine levels noninvasively at baseline and for 2 hours after a single oral dose of a concentrated glycine-containing…
- Trial name
- NCT01610011
- Testing
- Glycine administration
- Where
- United States
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- Mclean Hospital
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
Endothelial Dysfunction
A Phase 2, Pharmacokinetic (PK) Study of 6R-BH4 Alone or 6R-BH4 With Vitamin C in Subjects With Endothelial Dysfunction
This Phase 2, randomized, open-label, 2-treatment, 2-sequence, 2-period crossover, pharmacokinetic (PK) study will compare plasma concentrations of BH4 in subjects with endothelial dysfunction following 14 days of treatment by…
- Trial name
- NCT00532844
- Testing
- Sapropterin Dihydrochloride, Sapropterin Dihydrochloride and Vitamin C
- Where
- United States
- Volunteers
- 52 people
- Sponsor
- BioMarin Pharmaceutical
Healthy
Study to Determine D-amino Acid Oxidase Brain Enzyme Occupancy of TAK-831 After Single-dose Oral Administration
The purpose of this study is to determine the relationship between TAK-831 dose, plasma exposure, extent and duration of brain D-amino acid oxidase (DAO) enzyme occupancy following single oral dosing of TAK-831 in healthy…
- Trial name
- NCT02716987
- Testing
- TAK-831, [18F]PGM299
- Where
- United Kingdom
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Neurocrine Biosciences
Propionic Acidemia, Methylmalonic Acidemia
Long-term Outcome of N-Carbamylglutamate Treatment in Propionic Acidemia and Methylmalonic Acidemia
Background: Very few drugs exist that treat hyperammonemia, specifically PA and MMA. Diet restrictions and alternate pathway agents are the current primary treatments, but they frequently fail to prohibit brain damage.
- Trial name
- NCT01597440
- Testing
- N-carbamylglutamate, Standard of Care
- Where
- 7 sites in United States
- Volunteers
- 1 people
- Sponsor
- Mendel Tuchman
Hyperphenylalaninemia, Phenylketonuria
Bone Mineral Density in Adults With Hyperphenylalaninemia on Kuvan Therapy
Prospective study to compare the bone mineral density in adults with HPA on KUVAN™ therapy to those not on therapy. The investigators hypothesize that after one year of KUVAN™ therapy, there will be an improvement in their bone…
- Trial name
- NCT01541397
- Testing
- Sapropterin
- Where
- United States
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- The University of Texas Health Science Center, Houston
Diamond Blackfan Anemia, Blackfan Diamond Syndrome
Pilot Phase I/II Study of Amino Acid Leucine in Treatment of Patients With Transfusion-Dependent Diamond Blackfan Anemia
This study will determine the safety and possibility of giving the amino acid, leucine, in patients with Diamond Blackfan anemia(DBA)who are on dependent on red blood cell transfusions.
- Conditions
- Diamond Blackfan Anemia, Blackfan Diamond Syndrome, DBA, Congenital Hypoplastic Anemia
- Trial name
- LeucineDBA (NCT01362595)
- Testing
- leucine
- Where
- 11 sites in United States
- Volunteers
- 55 people
- Sponsor
- Northwell Health
Ornithine Transcarbamylase Deficiency
Investigation of Brain Nitrogen in Partial Ornithine Transcarbamylase Deficiency (OTCD) Using 1 H MRS, DTI, and fMRI
The purpose of this study is to use various types of MRI and cognitive testing to evaluate changes in the brain and cognitive function that occur in subjects with ornithine transcarbamylase deficiency (OTCD) relative to healthy…
- Trial name
- NCT01569568
- Testing
- MRI scanning, Cognitive testing
- Volunteers
- 49 people, healthy volunteers welcome
- Sponsor
- Andrea Gropman
Albinism, Inborn Errors of Metabolism
Oral Pirfenidone for the Pulmonary Fibrosis of Hermansky-Pudlak Syndrome
Hermansky-Pudlak Syndrome (HPS) is an inherited disease that results in decreased pigmentation (oculocutaneous albinism), bleeding problems due to a platelet abnormality (platelet storage pool defect), and storage of an abnormal…
- Conditions
- Albinism, Inborn Errors of Metabolism, Oculocutaneous Albinism, Platelet Storage Pool Deficiency
- Trial name
- NCT00001596
- Testing
- Pirfenidone
- Where
- United States
- Volunteers
- 35 people
- Sponsor
- William Gahl, M.D.
Amino Acid Metabolism, Inborn Errors
Ataluren for Nonsense Mutation Methylmalonic Acidemia
Methylmalonic acidemia (MMA) is a rare genetic disorder caused by mutations in the gene for mitochondrial enzyme methylmalonyl-CoA mutase (MCM) or in one of the genes for adenosylcobalamin (AdoCbl).
- Trial name
- NCT01141075
- Testing
- Ataluren
- Where
- 9 sites in Belgium, France and 4 more
- Volunteers
- 11 people
- Sponsor
- PTC Therapeutics
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
Urea Cycle Disorder
Manipulating the Gut Microbiome Study
The objective is to determine if acetohydroxamic acid (AHA) can prevent hydrolysis of urea by inhibiting the bacterial urease of gut flora of both healthy control adults as well as adults with urea cycle disorders
- Trial name
- NCT03181828
- Testing
- Acetohydroxamic Acid Oral Tablet, No treatment
- Where
- United States
- Volunteers
- 4 people, healthy volunteers welcome
- Sponsor
- Nicholas Ah Mew
Chronic Traumatic Brain Injury
Association of Amino Acid Prevalence and Chronic Brain Injury
Years after a suffering a brain injury, individuals remain in a physically and cognitively impaired state. The investigators believe that the concentrations of amino acids in the blood are chronically altered and yield negative…
- Trial name
- NCT02113124
- Where
- 3 sites in United States
- Volunteers
- 43 people, healthy volunteers welcome
- Sponsor
- Brent Masel
Disaster, Vulnerable Populations
Nurses Taking On Readiness Measures - Mercer County, New Jersey
Nurses Taking On Readiness Measures (N-TORM) is an innovative nurse-driven household emergency preparedness (HEP) intervention modeled after an existing community intervention provided by emergency management personnel.
- Trial name
- NTORM (NCT05455580)
- Testing
- Nurses Taking On Readiness Measures (N-TORM)
- Where
- United States
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- Hunter College of City University of New York
Homocystinuria
Oxidative Stress Markers In Inherited Homocystinuria And The Impact Of Taurine
Cystathionine beta-synthase deficiency is an inherited disease that results in elevation of a substance called homocysteine (Hcy) in blood and urine.
- Trial name
- NCT01192828
- Testing
- taurine
- Where
- 4 sites in United States
- Volunteers
- 15 people
- Sponsor
- University of Colorado, Denver
Hereditary Tyrosinemia, Type I
Bioavailability Food-Effect Study of an Oral Nitisinone Formulation to Treat Hereditary Tyrosinemia (HT-1)
The purpose of this study is to compare the bioavailability of the Test Product, Nitisinone 10 mg Tablet, under fasting and fed conditions (food-effect).
- Trial name
- NCT02750332
- Testing
- Nitisinone
- Where
- South Africa
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Cycle Pharmaceuticals Ltd.