Clinical trials: Amino Acid
Psychological Phenomena: Central Fatigue
Impact of Varying Doses of Amino Acids on Exercise, Muscular and Mental Performance
A number of studies have shown that ingestion of crystalline amino acids, in particular branched chain amino acids (BCAA) can affect endurance performance, markers of muscle damage, and possibly mental focus.
- Trial name
- NCT01215396
- Testing
- AminoVital Amino Acid formulation, Amino Vital Amino Acid formulation
- Where
- Canada
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- McMaster University
Healthy Participants
The Effect of Ketone Monoesters on Skeletal Muscle Protein Synthesis and Whole-body Protein Metabolism.
The ketone β-hydroxybutyrate (BHB) is endogenously produced during periods of low glucose availability, serving as an alternative metabolic fuel.
- Trial name
- WAKM (NCT07082309)
- Testing
- Ketone Monoester (KE) and whey protein beverage, Control
- Where
- United Kingdom
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University of Exeter
Muscle Damage, Inflammation
Protein and Recovery From Exercise-induced Muscle Damage
Intense, eccentric resistance exercise causes muscle damage, soreness, inflammation, and a loss of muscle function. Protein-amino acid supplementation before, during, and following damaging resistance exercise may reduce muscle…
- Trial name
- NCT02034721
- Testing
- Protein supplement
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Appalachian State University
Appetite; Lack or Loss, Nonorganic Origin
Encapsulated Nutrients' Acute Effects on Appetite; ENcapsulated, lipiD, aminO, pRobiotic, SatiEty
A double-blind, randomized crossover design with five arms including four experimental conditions and placebo will be applied. After having successfully completed screening procedures, eligible participants will be invited to…
- Trial name
- ENDORSE (NCT03080909)
- Testing
- Encapsulated nutrients
- Where
- Denmark
- Volunteers
- 33 people, healthy volunteers welcome
- Sponsor
- Arne Astrup
Phenylketonuria (PKU)
To Evaluate the Safety and Efficacy of GS1168 Injection in Adult Phenylketonuria
This study is a single-arm, open-label, dose-escalation, exploratory study to evaluate the safety, tolerability, and efficacy of a single administration of GS1168 Injection in Chinese adult phenylketonuria (PKU) with PAH mutation.
- Trial name
- NCT07318909
- Testing
- GS1168 injection
- Where
- China
- Volunteers
- 9 people
- Sponsor
- Gritgen Therapeutics Co., Ltd.
Hepatic Encephalopathy
Effects of Proteins in Patients With Cirrhosis and Prior Hepatic Encephalopathy
The purpose of this study is to compare a normal-protein diet containing branched-chain amino acids to a low-protein diet in patients with non-terminal cirrhosis (MELD < 25) who have developed an episode of hepatic encephalopathy…
- Trial name
- NCT00955500
- Testing
- Branched-chain amino acids, Maltodextrin
- Where
- 3 sites in Spain
- Volunteers
- 116 people
- Sponsor
- Hospital Universitari Vall d'Hebron Research Institute
Phenylketonuria
Behavioral Effects of Kuvan in Children With Mild Phenylketonuria
The purpose of this study is to determine whether improvements in behavior occur in children with phenylketonuria (PKU) who are taking Kuvan.
- Trial name
- NCT00827762
- Testing
- Kuvan
- Where
- 4 sites in United States
- Volunteers
- 2 people
- Sponsor
- Washington University School of Medicine
Healthy
Tryptophan Metabolism in Healthy Young Adults
Tryptophan is an essential amino acid needed for growth and bodily functions. It is used to make serotonin which is needed for the brain to develop and function properly.
- Trial name
- NCT06551545
- Testing
- Tryptophan intake
- Where
- Canada
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- The Hospital for Sick Children
Prediabetes (Insulin Resistance, Impaired Glucose Tolerance), Metabolic Syndrome (MetS)
Isoleucine Addition Treatment Effects in a Controlled Diet Study
The primary purpose of this study is to determine whether isoleucine repletion attenuates increases in insulin sensitivity typically observed when people with obesity follow a healthy, low-isoleucine diet.
- Conditions
- Prediabetes (Insulin Resistance, Impaired Glucose Tolerance), Metabolic Syndrome (MetS), Obesity & Overweight
- Trial name
- ISOLATE (NCT07329088)
- Testing
- L-Isoleucine, Low-isoleucine diet
- Where
- United States
- Sponsor
- Jean L. Fry
Phenylketonuria (PKU) and Hyperphenylalaninemia
Phenylketonuria and Hyperphenylalaninemia Nutrition Study
The mainstay of PKU treatment is a low-phenylalanine diet (i.e restriction of natural protein), and supplementation with a protein substitute (a mixture of amino acids free from phenylalanine, also containing micronutrients and…
- Trial name
- NCT01879995
- Where
- 2 sites in Switzerland
- Volunteers
- 30 people
- Sponsor
- University of Zurich
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
Phenylketonuria
Safety and Tolerability Study of rAvPAL-PEG to Treat Phenylketonuria
The purpose of this study is to assess the safety and tolerability of injections of rAvPAL-PEG in subjects with PKU.
- Trial name
- NCT00634660
- Testing
- rAvPAL-PEG
- Where
- 8 sites in United States
- Volunteers
- 25 people
- Sponsor
- BioMarin Pharmaceutical
Urea Cycle Disorder
UNLOCKED: A Phase 2, Open-label Trial With KB195 in Subjects With a Urea Cycle Disorder
UNLOCKED: A Phase 2 Trial to Evaluate the Efficacy and Safety of KB195 in Subjects with a Urea Cycle Disorder with Inadequate Control on Standard of Care
- Trial name
- UNLOCKED (NCT03933410)
- Testing
- KB195
- Where
- 19 sites in United States, Belgium and 5 more
- Volunteers
- 13 people
- Sponsor
- Kaleido 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
Coronary Artery Calcification, Angioplasty
CAlcified Lesion Intervention Planning Steered by OCT.
Calcified lesions are very frequent among coronary artery disease stenotic lesions. The prevalence of calcifications ranges from 30 to 40% (by angiography evaluation) but is higher when analyzed by intra coronary imaging.
- Trial name
- CALIPSO (NCT05301218)
- Testing
- angioplasty
- Where
- 14 sites in France
- Volunteers
- 140 people
- Sponsor
- Institut Mutualiste Montsouris
Surgical Infants on NG/NJ/J/G-tube Feeds, Tracheoesophageal Fistula
A Physiological Study to Determine the Enteral Threonine Requirements in Infants Aged 1 to 6 Months
This is the 5th in a series of physiological studies to determine the amino acid requirements of infants. There have been 4 studies to determine tyrosine, methionine, threonine and lysine requirements in infants when they are fed…
- Conditions
- Surgical Infants on NG/NJ/J/G-tube Feeds, Tracheoesophageal Fistula, Pierre-Robin Syndrome, Diaphragmatic Hernia
- Trial name
- INFORALTHR (NCT02364843)
- Testing
- Amino Acid: Threonine
- Where
- Canada
- Volunteers
- 2 people
- Sponsor
- The Hospital for Sick Children
Healthy Males
The Importance of Non-essential Amino Acids for Maintaining Skeletal Muscle Protein Synthesis Rates in Healthy Young Men
Background: Protein intake is important for maintaining skeletal muscle mass. These proteins consist of a collection of small building blocks which are called amino acids.
- Trial name
- NEAA (NCT06687343)
- Testing
- EAA Supplement, NEAA Supplement, Maltodextrin Supplement
- Where
- Netherlands
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- Maastricht University Medical Center
Type 2 Diabetes Mellitus
The Metabolic Effects of Acute Hyperglycemia in Patients With Type 2 Diabetes
The purpose of the study is to characterize the changes in amino acid, lipid and glucose metabolism in patients with type 2 diabetes exposed to acute hyperglycemia.
- Trial name
- NCT00653510
- Testing
- Actrapid (human insulin)
- Where
- Denmark
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- University of Aarhus
Absorption of Amino Acids and Peptides
Pharmacokinetic Effect of AstraGin on Arginine Absorption and Nitric Oxide Production in Healthy Subjects
AstraGin increases the absorption of amino acids and peptides in Caco-2 cells and in normal and TNBS-induced rats. Given the potential beneficial applications of AstraGin for health, the effects on L-arginine uptake and nitric…
- Trial name
- NCT05024123
- Testing
- AstraGin
- Where
- Taiwan
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Chung Shan Medical University
Protein Metabolism
Amino Acid Oxidation of Whole-Food Protein: a Dose-Response Crossover Trial in Young Adults
The purpose of this study is to assess the amino acid oxidation dose-response relationship of ingested whole-food protein in healthy adults.
- Trial name
- BURGER (NCT07547176)
- Testing
- Food proteins
- Where
- Netherlands
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Maastricht University Medical Center