Clinical trials: Amino Acids
Cytomegalovirus Infections, HIV Infections
A Randomized, Double-Blind Study of the Efficacy and Safety of Oral Ganciclovir for the Prevention of CMV Disease in People Infected With the Human Immunodeficiency Virus
To evaluate the efficacy of oral ganciclovir in preventing progression to cytomegalovirus (CMV) disease (e.g., CMV retinitis, gastrointestinal CMV disease) in CMV-infected people with HIV infection and CD4 lymphocyte counts <=…
- Trial name
- NCT00002095
- Testing
- Ganciclovir
- Where
- 19 sites in United States
- Volunteers
- 700 people
- Sponsor
- Hoffmann-La Roche
Coronary Vessels, Procedure PCI
AI Quantitative Coronary Angiography Versus Optical Coherent Tomography Guidance for Coronary Stent Implantation
This study is to establish the primary hypothesis thatAI -QCA guided PCI is non-inferior to Optical coherence tomography-guided Percutaneous coronary intervention regarding minimal Stent area by Final OCT and Procedural MACE
- Trial name
- FLASH (NCT05388357)
- Testing
- Intervention Procedure: PCI
- Where
- 13 sites in South Korea
- Volunteers
- 400 people
- Sponsor
- Asan Medical Center
Vaccine Adverse Reaction, Post Acute Covid-19 Vaccination Syndrome
Effect of Metabolic Modulation on a Post-acute COVID-19 Vaccination Syndrome (PACVS) Cohort
The goal of this clinical trial is to evaluate whether metabolic modulation with a combined nutraceutical product can improve symptoms and metabolic health in adults diagnosed with post-acute Covid-19 vaccination syndrome…
- Trial name
- ViTAL-SCAN19 (NCT06967428)
- Testing
- Combined metabolic modulator, Rice Protein Powder with Vitamin C
- Where
- United States
- Volunteers
- 100 people
- Sponsor
- Independent Medical Alliance
Phenylketonuria
A Study of JNT-517 in Participants With Phenylketonuria (PKU)
This Phase 3 study will evaluate the safety, effectiveness, tolerability, and how the body processes JNT-517 in children, adolescents, and adults with phenylketonuria.
- Trial name
- NCT06971731
- Testing
- JNT-517
- Where
- 26 sites in United States, Australia and 8 more
- Volunteers
- 120 people
- Sponsor
- Otsuka Pharmaceutical Development & Commercialization, Inc.
Dietary Intake of Branched Chain Amino Acids
Dietary Intake and Circulating Levels of Branched Chain Amino Acids
The investigators are conducting this research study to find out if eating low or high levels of specific amino acids changes the levels of these same amino acids in the blood.
- Trial name
- NCT02110602
- Testing
- Diet high in amino acid levels, Diet low in amino acid levels
- Where
- United States
- Volunteers
- 5 people, healthy volunteers welcome
- Sponsor
- Massachusetts General Hospital
Amino Acid Metabolism
Amino-acid Uptake After Meat Protein Intake
The purpose of the project is to provide evidence for the use of hydrolysed meat protein (HMP) as a protein supplement for elderly who has difficulty meeting the recommended daily protein intake.
- Trial name
- NCT03301337
- Testing
- Meat protein absorption
- Where
- Denmark
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Bispebjerg Hospital
Phenylketonurias, PKU
Evaluation of PKU Sphere in Italy
20 participants with PKU will build-up their dietary intake of PKU sphere over 2-16 weeks, depending on their level of metabolic control whilst doing so.
- Trial name
- NCT04679467
- Testing
- PKU sphere
- Where
- 4 sites in Italy
- Volunteers
- 13 people
- Sponsor
- Vitaflo International, Ltd
OTC Deficiency
Clinical Study of DTX301 AAV-Mediated Gene Transfer for Ornithine Transcarbamylase (OTC) Deficiency
The primary objective is to evaluate the efficacy of DTX301 on the improvement of ornithine transcarbamylase (OTC) function by maintaining safe plasma ammonia levels.
- Trial name
- NCT05345171
- Testing
- DTX301, Oral Corticosteroids, Sodium Acetate
- Where
- 16 sites in United States, Argentina and 8 more
- Volunteers
- 37 people
- Sponsor
- Ultragenyx Pharmaceutical Inc
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.
Urea Cycle Disorder, Crigler-Najjar Syndrome
HepaStem Long-Term Safety Registry
All patients having received at least one infusion of the Investigational Medicinal Product (IMP) HepaStem HHALPC during a previous interventional clinical study conducted by Promethera Biosciences
- Conditions
- Urea Cycle Disorder, Crigler-Najjar Syndrome, Acute on Chronic Liver Failure
- Trial name
- PROLONGSTEM (NCT03343756)
- Where
- 29 sites in Belgium, Bulgaria and 3 more
- Volunteers
- 44 people
- Sponsor
- Cellaion SA
Prediabetic State
Effects of Branch Chain Amino Acids on Glucose Tolerance in Obese Pre-Diabetic Subjects
Branching chain amino acids (BCAA) have both beneficial and detrimental effects of on metabolism have been established and therefore warrants further investigation.
- Trial name
- BCAA (NCT02684565)
- Testing
- BCAA High Protein supplement, BCAA Low Protein supplement
- Where
- United States
- Volunteers
- 11 people
- Sponsor
- University of California, Los Angeles
Pregnancy
Phenylalanine Requirements in Healthy Pregnant Women
Phenylalanine is an essential amino acid that people need to obtain in their diets. Amino acids are the building blocks for protein, which is required to form tissues in the body.
- Trial name
- NCT02669381
- Testing
- Phenylalanine intake
- Where
- Canada
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- University of British Columbia
Metabolic Diseases
Glycemic Response of Co-ingesting Carbohydrate and Amino Acids
The study will investigate if consumption of amino acid mixtures results a change in glycemic response of carbohydrate (white rice) and insulinemic response at different doses and timing (before consumption of carbohydrate).
- Trial name
- NCT02455765
- Testing
- Rice and Amino Acid mixtures
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- Singapore Institute of Food and Biotechnology Innovation
Liver Transplantation, Sarcopenia
Perioperative Rehabilitation Therapy in Patients Undergoing Liver Transplantation
Patients undergoing liver transplantation frequently experience a reduction in skeletal muscle mass, malnutrition, and decreased levels of physical activity.
- Trial name
- NCT06591507
- Testing
- BCAA Nutritional Intervention, Muscle Rehabilitation Training, Standard Nutritional Therapy
- Volunteers
- 750 people
- Sponsor
- Zhejiang University
Optical Coherence Tomography (OCT) of the Retina
Low Cost OCT for Point of Care
The purpose of this study is to compare the performance of a prototype optical coherence tomography (OCT) machine with currently available high resolution OCT machines.
- Trial name
- NCT03323307
- Testing
- OCT imaging
- Where
- United States
- Volunteers
- 70 people
- Sponsor
- Duke University
Oculocutaneous Albinism
Clinical, Cellular, and Molecular Investigation Into Oculocutaneous Albinism
Oculocutaneous albinism (OCA) is a term used to describe inherited forms of hypopigmentation associated with 1) variable levels of cutaneous hypopigmentation, ocular hypopigmentation, and visual deficits, and 2) involvement of…
- Trial name
- NCT00808106
- Where
- United States
- Volunteers
- 206 people
- Sponsor
- National Human Genome Research Institute (NHGRI)
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
Hyperhomocysteinemia
Effects of Low-dose Complex B-vitamins on Homocysteine and Framingham Risk Score Among Chinese Elderly
The purpose of this study is to evaluate whether low dose complex B-vitamins (folic acid,vitamin B6 and vitamin B12) can lower the risk of developing hyperhomocysteinemia in an apparently healthy population with low folate/B12…
- Trial name
- NCT00755664
- Testing
- Low-dose complex B-vitamins
- Where
- China
- Volunteers
- 390 people, healthy volunteers welcome
- Sponsor
- Peking University
Lowe Syndrome
An Open-label, Phase 2 Pilot Study on the Efficacy and Safety of Piclidenoson in Patients With Lowe Syndrome
The primary objective of this trial is to: 1. Evaluate the efficacy of piclidenoson to increase renal uptake of 99mTc-labeled DMSA, in comparison to baseline, after 6 months (26 weeks) of treatment as a measure the reabsorption…
- Trial name
- NCT07410455
- Testing
- Piclidenoson
- Where
- Italy
- Volunteers
- 5 people
- Sponsor
- Can-Fite BioPharma
Cytomegalovirus Infections, HIV Infections
Preventing Cytomegalovirus (CMV) Organ Damage With Valganciclovir in People With HIV
Cytomegalovirus (CMV) infection is a common opportunistic infection (OI) in HIV patients. The purpose of this study is to find out whether valganciclovir, an antiviral approved by the FDA for the treatment of CMV in the eye, is…
- Trial name
- NCT00006145
- Testing
- Valganciclovir
- Where
- 57 sites in United States, Puerto Rico
- Volunteers
- 350 people
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
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