Clinical trials: Amino Acids
Phenylketonuria (PKU)
The Psychosocial Functioning of Adults With Phenylketonuria.
Current recommendations are to maintain Phe levels < 360 µmol/L throughout life (US consensus) or < 600 µmol/L from the age of 12 (European consensus).
- Trial name
- CoMet-PCU (NCT07406009)
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Central Hospital, Nancy, France
Sarcopenia
Milk and Milk-produce to Counteract the Loss of Muscle Mass and Function in Exercising Older Adults.
This project evaluates the use of different types of proteins from various food sources after an exercise session, on muscle mass and physical capacity in aged sarcopenic men (who have low muscle mass).
- Trial name
- PRO (NCT01883674)
- Testing
- Resistance training
- Where
- Canada
- Volunteers
- 41 people, healthy volunteers welcome
- Sponsor
- Université de Sherbrooke
COVID-19 Vaccines
A Study to Learn About a COVID-19 Vaccine in Healthy Adults 18 Through 64 Years of Age
The purpose of this study is to learn about the safety and effects of an updated COVID-19 vaccine (called BNT162b2) in adults 18 to 64 years of age.
- Trial name
- NCT07730450
- Testing
- BNT162b2 Vaccine, Tdap Vaccine
- Where
- 5 sites in United States
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- BioNTech SE
Protein Utilization, Dietary Protein
Fate of Nutrient-Derived Amino Acids, FONDAA
12 elderly (65-70 years of age) male subjects will be included and complete a double blinded cross-over study. They will be habituated for 21 days to either low or high protein intake (below 0.8 g/kg or above 1.5 g/kg…
- Trial name
- FONDAA (NCT02587156)
- Testing
- Meal serving at high dietary protein, Meal serving at low dietary protein, Meal serving
- Where
- Denmark
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Bispebjerg Hospital
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 Kidney Failure
Chronic Kidney Disease in Relation to Alterations in Protein and Amino Acid Metabolism and Function
Weight loss commonly occurs in patients with chronic kidney disease (CKD), negatively influencing their quality of life, treatment response and survival.
- Trial name
- NCT01890811
- Testing
- Boost High Protein
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Texas A&M University
Postoperative Recovery, Total Knee Arthroplasty
Nutrition and Swelling
This study is looking at whether taking a nutritional supplement before and after knee replacement surgery affects normal recovery.
- Trial name
- NCT07899762
- Testing
- Xcelerated Recovery Nutritional Supplement
- Where
- United States
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
Healthy Male Subjects
Effect of Uridine on GABA and High Energy Phosphate Levels in Healthy Volunteers
On the dual basis of findings indicating GABA increases following acute and eight week SSRI/dopamine agonist administration and those indicating GABA-ergic effects following 14 day pyrimidine administration, the purpose of this…
- Trial name
- Uridine-GABA (NCT01261260)
- Testing
- Uridine
- Where
- United States
- Volunteers
- 33 people, healthy volunteers welcome
- Sponsor
- Mclean Hospital
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
Citrullinemia
Nitric Oxide Flux and Ureagenesis in Argininosuccinate Synthetase Deficiency (ASSD)(Citrullinemia I)
The urea cycle consists of a series of chemical reactions through which the body converts toxic waste- nitrogen into a substance called urea that can be disposed of easily.
- Trial name
- NOASSD (NCT01610089)
- Testing
- stable isotope infusion
- Where
- United States
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- Baylor College of Medicine
Tendinopathy
Can Amino Acid Supplementation Augment the Anabolic Response in Tendon After Exercise
The goal of this study is to determine if an oral provision of amino acids will enhance exercise-induced increases in markers of Achilles tendon collagen production.
- Trial name
- NCT04067479
- Testing
- Amino Acids
- Where
- United States
- Volunteers
- 7 people, healthy volunteers welcome
- Sponsor
- Purdue University
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
Amino Acids, Milk
Determination of the Postprandial Amino Acid Uptake Kinetics of Yoghurt Vs Milk.
Subjects will visit the study site twice in a fasting state. Subjects asked to consume one of the two study products in a random order. Subjects will consume one serving of the study product (T = 0 minutes).
- Conditions
- Amino Acids, Milk, Yoghurt
- Trial name
- NCT06628024
- Testing
- Milk, Yoghurt
- Where
- Netherlands
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- Nutricia Research
Transduction Pathway, Proteinic Synthesis
Amino Acid and Intestinal Protein Metabolism : Working Study
Gut protein metabolism that could be influenced by protein supply is involved in the regulation of several physiological functions such as gut barrier function and represents a major contribution in the whole-body protein…
- Conditions
- Transduction Pathway, Proteinic Synthesis, Proteolytic System
- Trial name
- Intesmetapro (NCT01254110)
- Where
- France
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- University Hospital, Rouen
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
Cardiovascular Diseases, Cardiovascular Abnormalities
The Effects of the Dietary Supplement CardioFlex Q10 on Reducing Cardiovascular Disease Risk Factors in Adults
Cardiovascular diseases (CVD), primarily heart disease and stroke, are the leading causes of death and prescription drug use in Canada.
- Conditions
- Cardiovascular Diseases, Cardiovascular Abnormalities, Heart Attack, Stroke
- Trial name
- NCT03826914
- Testing
- CardioFlex Q10
- Where
- Canada
- Volunteers
- 69 people, healthy volunteers welcome
- Sponsor
- University of Manitoba
Metabolic Disorder, Arginine; Hyperaminoaciduria
Evaluation of Arginine in Periodontal and Cardiovascular Disease
Asymmetric dimethylarginine (ADMA) plays a key role in endothelial function and may be a link for the known interaction of periodontitis and coronary heart disease (CHD).
- Trial name
- NCT03873948
- Testing
- Evaluation of arginine serum level
- Where
- Italy
- Volunteers
- 141 people, healthy volunteers welcome
- Sponsor
- University of Messina
Phenylketonuria, Healthy
Safety and Tolerability of SYNB1618 in Healthy Adult Volunteers and Adult Subjects With Phenylketonuria
This Phase 1/2a, first-in-human, oral single and multiple dose-escalation, randomized, double-blinded, placebo-controlled study is evaluating SYNB1618 in healthy volunteers (HV) and subjects diagnosed with phenylketonuria (PKU)…
- Trial name
- PKU (NCT03516487)
- Testing
- SYNB1618
- Where
- 4 sites in United States
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Synlogic
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