Clinical trials: Amino Acid Metabolism
Dietary Protein, Female Protein Metabolism
A 'Non-Invasive' Breath Test to Determine Anabolic Sensitivity in Females
The maintenance of lean body mass, especially skeletal muscle, is vital for optimal health and performance across the lifespan. The protein component of lean body mass is in a constant state of turnover, involving the…
- Conditions
- Dietary Protein, Female Protein Metabolism, Anabolic Sensitivity, Resistance Exercise
- Trial name
- FBT (NCT05422300)
- Testing
- Fed, Ex-Fed
- Where
- Canada
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University of Toronto
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.
Phenylketonurias
Bone Mineral Density in Adults With Hyperphenylalaninemia
Hyperphenylalaninemia (HPA) is a rare metabolic disorder caused by a deficiency of the enzyme phenylalanine hydroxylase (PAH). Elevated plasma levels of phenylalanine (phe) cause mental retardation, microcephaly, delayed speech…
- Trial name
- NCT01209819
- Where
- United States
- Volunteers
- 28 people
- Sponsor
- The University of Texas Health Science Center, Houston
Phenylketonuria
Effect of Different Meal Types Given Before Exercise on Plasma Amino Acid Levels and Metabolic Control Parameters in Classical Phenylketonuria Patients Undergoing Aerobic and Resistance Exercises
This study will be the first in the literature to evaluate the relationship between aerobic and resistance exercises, plasma amino acid levels, metabolic control of patients, and the metabolic response to exercise with different…
- Trial name
- NCT07526909
- Testing
- Aerobic Exercise, Resistance Exercise, Water
- Where
- Turkey (Türkiye)
- Volunteers
- 10 people
- Sponsor
- Hacettepe University
Hepatic Encephalopathy
Plasma Free Amino Acids in Patients With Hepatic Encephalopathy
This is study to investigate the plasma free amino acids profile in patients with decompensated liver cirrhosis and hepatic encephalopathy and its relation to the nutritional state of these patients.
- Trial name
- NCT03306498
- Testing
- Aminoleban (8% amino acids infusion)
- Volunteers
- 100 people
- Sponsor
- Assiut University
Barth Syndrome
Heart and Muscle Metabolism in Barth Syndrome
Barth syndrome (BTHS) is an X-linked disorder caused by abnormal cardiolipin metabolism and is characterized by skeletal and cardiomyopathy and high mortality rates.
- Trial name
- NCT01625663
- Where
- United States
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- Duke University
Overweight
Acute Effects of Different Protein Sources and Different Glycemic Index on Energy Balance, Glucose Allostasis and Amino Acid Metabolism: a Randomized, 4-condition, Two Cross-over Study in Adults.
The hypothesis is that seafood proteins given in combination with carbohydrates with low GI are superior to seafood proteins in combination with carbohydrates with high GI and meat in combination with both carbohydrates with low…
- Trial name
- FINS (NCT02770833)
- Testing
- Fish and carbohydrats with low or high GI, Veal and carbohydrats with low or high GI
- Where
- Denmark
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- University of Copenhagen
Healthy Adults
Metabolic Availability of Lysine From White Maize
Our objective is to determine the metabolic availability of Lysine in white maize using the indicator amino acid oxidation (IAAO) technique in adult men.
- Trial name
- NCT02018575
- Testing
- Crystalline Lysine Amino Acid Mix, White corn meal porridge
- Where
- Canada
- Volunteers
- 7 people, healthy volunteers welcome
- Sponsor
- The Hospital for Sick Children
Phenylketonurias
Safety and Tolerability of RTX-134 in Adults With Phenylketonuria
This study will evaluate the safety and tolerability of RTX-134 in adult patients with PKU.
- Trial name
- NCT04110496
- Testing
- RTX-134
- Where
- United States
- Volunteers
- 1 people
- Sponsor
- Rubius Therapeutics
Phenylketonurias
Additional Dietary Large Neutral Amino Acids (LNAA) for Improved Symptoms in Adult Classical Phenylktonuria (PKU)
This research investigates the effects of combining a phenylalanine restricted diet (usual care) with LNAA supplementation (adjuvant LNAA) in well-controlled adults with classical PKU.
- Trial name
- NCT05174559
- Testing
- PreKUnil® LNAA Medical Food for PKU
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- University of Southern California
Urea Cycle Disorder
A Safety and Efficacy Study of Infusions of HepaStem in Urea Cycle Disorders Pediatric Patients
This is a phase2, prospective, open label study designed to investigate the safety and efficacy of several infusions of HepaStem. This study will include 5 pediatric Urea Cycle Disorder (UCD) patients under 12 years old.
- Trial name
- NCT03884959
- Testing
- HepaStem Infusion
- Where
- South Korea
- Sponsor
- HLB Cell Co., Ltd.
Type 2 Diabetes Mellitus
Dietary Intervention Modifies Gut Microbiota in Type 2 Diabetes.
Aim: To study the effect of a dietary intervention with functional foods on gut microbiota in subjects with type 2 diabetes Materials and methods: Patients with type 2 diabetes were enrolled in a double-blind, parallel-arm…
- Trial name
- NCT03421301
- Testing
- dietary portfolio
- Volunteers
- 81 people
- Sponsor
- Instituto Nacional de Ciencias Medicas y Nutricion Salvador Zubiran
Arginase I Deficiency, Hyperargininemia
A Study of AEB1102 (Pegzilarginase) in Patients With Arginase 1 Deficiency
The purpose of this study is to determine the safety, tolerability, and efficacy of long-term intravenous and subcutaneous administration of pegzilarginase for the treatment of pediatric and adult patients with ARG1-D who…
- Trial name
- NCT03378531
- Testing
- AEB1102
- Where
- 7 sites in United States, Canada and 2 more
- Volunteers
- 14 people
- Sponsor
- Immedica Pharma AB
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
Phenylketonuria (PKU)
Safety and Efficacy of Self Administered Injections of Pegvaliase (>40mg/Day Dose) in Adults With PKU
This is a Phase 3 open-label extension study enrolling adult patients with PKU who were previously treated with pegvaliase in Studies PAL-003 (NCT00924703) or 165-302 (NCT02468570).
- Trial name
- NCT03694353
- Testing
- Pegvaliase
- Where
- 17 sites in United States
- Volunteers
- 37 people
- Sponsor
- BioMarin Pharmaceutical
Cytomegalovirus Infection
Valganciclovir for Treatment of Cytomegalovirus Infection in Solid Organ Transplant Patients
The objectives of this study were: 1. To demonstrate the efficacy/safety of a short therapeutic strategy of treatment of CMV infection/disease in SOT patients (kidney, liver and heart recipients) based on 21 days of treatment. 2.
- Trial name
- NCT00730769
- Testing
- Single arm (ganciclovir and valganciclovir)
- Where
- Spain
- Volunteers
- 21 people
- Sponsor
- Salvador Gil-Vernet
Sarcopenia
Effect of an EAA/Whey Composition on Protein Metabolism
Sarcopenia, a progressive loss of muscle mass, strength and function, is an inevitable natural process of aging. While it may be impossible to completely reverse the progress of sarcopenia, it is well established that intake of…
- Trial name
- NCT03502941
- Testing
- 6.3 g of EAAs mixture and whey protein isolate, 12.6 g of EAAs mixture and whey protein isolate, 12.6 g of whey protein isolate
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- University of Arkansas
Hyperhomocysteinemia
Evaluation of a Genetically Determined Personalized Approach in Prescribing Biologically Active Substances in Patients With Elevated Blood Homocysteine Levels.
The clinical trial assesses the effectiveness and safety of a genetically-determined personalized approach to prescribing bioactive substances in patients with elevated blood homocysteine levels.
- Trial name
- PERBIO-HC (NCT06264570)
- Testing
- B-TMG supplementation, B-SAM supplementation
- Where
- Russia
- Volunteers
- 111 people
- Sponsor
- S.LAB (SOLOWAYS)
Old Age (Focus; Not a Recognized Condition)
Dysfunction of Nutritive Blood Flow as a Determinant of Anabolic Resistance With Age; the Role of Amino Acids in Modulating Muscle Metabolism
The investigators plan to measure changes in muscle protein metabolism in response to feeding, comparing between a single large essential amino acid (EAA) feed (the normal building blocks of protein) and the provision of the same…
- Trial name
- Ajinomoto1A (NCT01735539)
- Testing
- 15g EAA bolus, 4 x 3.75g Mixed EAA Pulses, 15g EAA Bolus supplemented with 3g Arginine
- Where
- United Kingdom
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University of Nottingham
Non-segmental Vitiligo, Segmental Vitiligo
Punchgrafting Techniques for Vitiligo
Rationale: Punch grafting is a safe, simple and widely used technique for in vitiligo. However, no reliable data are available on the effect of punch depth and punch size.
- Conditions
- Non-segmental Vitiligo, Segmental Vitiligo, Piebaldism
- Trial name
- MiniSNIP (NCT01377077)
- Testing
- punchgrafting
- Where
- Netherlands
- Volunteers
- 35 people
- Sponsor
- Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA)