Clinical trials: Amino Acids
Phenylketonuria
Effect of L-carnitine Supplementation on Phenylalanine and Brain-derived Neurotrophic Factor Levels in Infants and Children With Phenylketonuria
Effect of L-carnitine supplementation on phenylalanine and brain-derived neurotrophic factor levels in infants and children with phenylketonuria L-carnitine is mainly obtained from foods such as red meat and milk that are limited…
- Trial name
- NCT06901323
- Testing
- L-carnitine
- Where
- Egypt
- Volunteers
- 176 people, healthy volunteers welcome
- Sponsor
- Mansoura University
Dental Caries
Evaluation of the Salivary-free Amino Acids Levels (Glycine , Proline , Lysine , and Alanine ) With Caries Activity
This study will be aimed to investigated the correlation between levels of salivary amino acids (glycine , proline , lysine , alanine ) in the saliva of healthy children with and without active carious lesions and to estimate the…
- Trial name
- NCT06953557
- Testing
- To compare the effect of salivary glycine , proline , lysine and alanine concentration between participants with high caries activity and participants with negative caries activity
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Al-Mustansiriyah University
Healthy Volunteers, Propionic Acidemia
A First in Human, Dose Escalation Study to Evaluate the Safety and Tolerability of BBP-671 in Healthy Volunteers and Patients With Propionic Acidemia or Methylmalonic Acidemia
The purpose of this study is to assess the safety, tolerability, PK and PD of BBP-671 in healthy volunteers and patients with Propionic Acidemia or Methylmalonic Acidemia.
- Conditions
- Healthy Volunteers, Propionic Acidemia, Methylmalonic Acidemia, Organic Acidemia
- Trial name
- NCT04836494
- Testing
- BBP-671
- Where
- 3 sites in United States
- Volunteers
- 79 people, healthy volunteers welcome
- Sponsor
- CoA Therapeutics, Inc., a BridgeBio company
Premature Infant
Amino Acids Profiles in Premature Infants Receiving Nutritional Support
The aim of this study is to investigate the changes of amino acid metabolic profiles in different nutritional stages of preterm infants and determine the effects of nutritional intervention on the amino acid metabolic status of…
- Trial name
- NCT03100305
- Testing
- Collection of blood and urine
- Where
- China
- Volunteers
- 124 people, healthy volunteers welcome
- Sponsor
- Xinhua Hospital, Shanghai Jiao Tong University School of Medicine
Phenylketonuria
Low Phenylalanine Diet for Mothers With Phenylketonuria (PKU)
Phenylketonuria (PKU) is a rare genetic condition. If not treated, PKU can cause severe mental retardation. Women with PKU are advised to eat a special diet when pregnant to prevent mental retardation in their children.
- Trial name
- NCT00065299
- Testing
- Restricted phenylalanine diet
- Where
- 3 sites in United States
- Volunteers
- 572 people, healthy volunteers welcome
- Sponsor
- Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
Phenylketonurias
PKU Skin Stripping
PURPOSE OF STUDY: To determine if a non-invasive skin stripping technique can be used to detect individuals with phenylalanine abnormalities, and to monitor dietary and/or drug effects over time.
- Trial name
- NCT04368624
- Testing
- Skin Tape, Blood Draw
- Where
- United States
- Volunteers
- 86 people, healthy volunteers welcome
- Sponsor
- Children's Hospital Medical Center, Cincinnati
Aromatic L-amino Acid Decarboxylase Deficiency
Newborn Screening for Aromatic L-amino Acid Decarboxylase Deficiency
Parents of newborns will be invited to test if their newborns are affected with Aromatic L-amino Acid Decarboxylase (AADC) deficiency.
- Trial name
- NCT02399761
- Where
- Taiwan
- Volunteers
- 154,795 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
Abnormal Renal Function, Malnutrition
Effects of High vs. Standard Protein Intake in Newborn Extreme Premature
Introduction: The preterm newborn of extremely low birth weight (PNELW), endures adverse nutritional conditions to mimic intrauterine growth.
- Trial name
- experimental (NCT02478086)
- Testing
- use amine acids parenteral 3.5g, use amine acids parenteral 4g
- Where
- Mexico
- Volunteers
- 52 people, healthy volunteers welcome
- Sponsor
- Coordinación de Investigación en Salud, Mexico
Oculocerebrorenal Syndrome
Study of the Pathophysiological Mechanisms Involved in Bleeding Events
Lowe syndrome is associated with mutations in the OCRL1 gene, which encodes OCRL1, a phosphatidylinositol-4, 5-bisphosphate (PtdIns(4, 5)P (2))5-phosphatase.
- Trial name
- LOWE (NCT01314560)
- Testing
- Blood sample
- Where
- France
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Inborn Errors of Metabolism, Propionic Aciduria
Characterization of Intestinal Microbiota in Children With Inborn Errors of Metabolism (IEM)
Study around children with inborn errors of metabolism (IEM) and their healthy siblings. Collection of stool and urine to assess contribution of microbiota to disease severity.
- Conditions
- Inborn Errors of Metabolism, Propionic Aciduria, Methylmalonic Aciduria, Urea Cycle Disorder
- Trial name
- IEM (NCT05330039)
- Where
- Switzerland
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Emma Marie Caroline Slack
Phenylketonuria (PKU)
A Pilot Study on Diurnal Variation
This self-controlled, prospective, pilot study is designed to gather information regarding the diurnal variation (changes that occur each day) in the levels of plasma phenylalanine (Phe) and tyrosine in patients with…
- Trial name
- NCT01806051
- Testing
- Kuvan
- Where
- United States
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- Dr. Linda Randolph
Urea Cycle Disorders
PCORI Urea Cycle Disorder Study
Urea cycle disorders (UCD) are genetic disorders caused by the liver's inability to break down ammonia from proteins; ammonia then accumulates and is toxic to the brain.
- Trial name
- NCT02740153
- Testing
- No Intervention Given
- Where
- United States
- Volunteers
- 187 people, healthy volunteers welcome
- Sponsor
- Children's National Research Institute
Amino Acid Metabolism, Inborn Errors
Study of Treatment and Metabolism in Patients With Urea Cycle Disorders
RATIONALE: The urea cycle is the process in which nitrogen is removed from the blood and converted into urea, a waste product found in urine .
- Trial name
- NCT00004307
- Testing
- Protein and calorie controlled diet, Ornithine transcarbamylase vector
- Where
- United States
- Volunteers
- 66 people, healthy volunteers welcome
- Sponsor
- National Center for Research Resources (NCRR)
Liver Cancer
Prevention for the Development of Liver Tumorigenesis by the Oral Supplementation of Branched-chain Amino Acids
The long-term outcomes of branched-chain amino acid (BCAA) administration in patients undergoing hepatic resection remain unclear.
- Trial name
- NCT01434524
- Testing
- LIVACT
- Where
- Japan
- Volunteers
- 56 people, healthy volunteers welcome
- Sponsor
- Kochi University
Metabolic Syndrome X
Study of Chronic Degenerative Diseases
The prevalence of obesity and type 2 diabetes mellitus (DM) in children have been increasing in parallel at an alarming rate. In particular, the increasing prevalence of type 2 DM is attributable to genetic factors, clinical…
- Trial name
- NCT02495961
- Where
- Mexico
- Volunteers
- 57 people, healthy volunteers welcome
- Sponsor
- Asociación Científica Latina A.C.
Prematurity, Neonatal Screening
Amino Acid and Acylcarnitine Profiles in Premature Neonates
Primary Hypotheses of the study include: Metabolic profiles are influenced by gestational age, chronological age, type and degree of nutritional support and illness Metabolic profiles differ between neonates who receive…
- Conditions
- Prematurity, Neonatal Screening, Parenteral Nutrition
- Trial name
- NCT00865150
- Where
- 2 sites in United States
- Volunteers
- 1,003 people, healthy volunteers welcome
- Sponsor
- Pediatrix
Healthy Volunteers, Recurrent Glioma
MeFAMP for Imaging System A Amino Acid Transport in Primary and Metastatic Brain Tumors
This first-in-human study will establish the human safety and radiation dosimetry of the system A amino acid transport substrate, (R)-3-[F-18]fluoro-2-methyl-2-(methylamino)propanoic acid ([F-18]MeFAMP), for positron emission…
- Conditions
- Healthy Volunteers, Recurrent Glioma, Brain Metastases From Extra-cranial Solid Tumors
- Trial name
- NCT05676489
- Testing
- [F-18]MeFAMP PET
- Where
- United States
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
Phenylketonurias
The Effect of Nursing Empowerment Program
The study has shown that the strengthening program applied to the families of children diagnosed with phenylketonuria (PKU) and the education given; It will be conducted in order to examine the effect of the family's coping…
- Trial name
- NCT05497050
- Testing
- Family education
- Where
- Turkey (Türkiye)
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Cukurova University
Obesity
Glycomacropeptide and Women's Health
This is a study about how a dietary supplement containing a whey protein affects hormones controlling hunger and satiety (leptin and ghrelin) in postmenopausal women with a body mass index between 28 and 35 kg/m2.
- Trial name
- GMP (NCT05551091)
- Testing
- glycomacropeptide (GMP)
- Where
- United States
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
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