Clinical trials: Amino Acid Metabolism
Cytomegalovirus Retinitis, HIV Infections
Phase III Ganciclovir +/- rGM-CSF for AIDS-Related CMV Retinitis
To determine whether co-administration of sargramostim (granulocyte-macrophage colony-stimulating factor; GM-CSF) improves tolerance to ganciclovir in patients previously intolerant because of neutropenia defined as an absolute…
- Trial name
- NCT00002070
- Testing
- Sargramostim, Ganciclovir
- Where
- 14 sites in United States
- Sponsor
- Schering-Plough
Metabolic Syndrome
Design of a Genetic Score to Predict the Response to a Dietary Intervention in Adults With Metabolic Syndrome
The aim of this study is to evaluate whether a genetic score based on genetic variants related to amino acid metabolism could predict the response to a dietary intervention in adults with metabolic syndrome.
- Trial name
- NCT05495074
- Testing
- ATP III dietary intervention
- Where
- Mexico
- Volunteers
- 115 people
- Sponsor
- Instituto Nacional de Ciencias Medicas y Nutricion Salvador Zubiran
Anatomic Stage IV Breast Cancer AJCC v8, Invasive Breast Lobular Carcinoma
Fluciclovine and PSMA PET/CT for the Classification and Improved Staging of Invasive Lobular Breast Cancer
This phase I trial studies how well fluciclovine positron emission tomography (PET)/computed tomography (CT) and PSMA PET/CT work in helping doctors understand and classify invasive lobular breast cancer in patients with invasive…
- Conditions
- Anatomic Stage IV Breast Cancer AJCC v8, Invasive Breast Lobular Carcinoma, Metastatic Breast Lobular Carcinoma, Prognostic Stage IV Breast Cancer AJCC v8
- Trial name
- NCT04750473
- Testing
- Computed Tomography, Fluciclovine F18, Gallium Ga 68 Gozetotide
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- Emory University
Pre Diabetes
Impact of Whey and Leucine on Glycaemia in Adults Without Diabetes
Higher than average blood sugar (glucose) levels are linked to an increased risk of developing type 2 diabetes. As such, there is interest in identifying dietary factors that could lower blood glucose to help reduce the number of…
- Trial name
- Whey2Glo (NCT03785951)
- Testing
- Whey Protein Isolate, Wheat Protein, Wheat Protein with Leucine
- Where
- United Kingdom
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University of Reading
Propionic/Methylmalonic Acidemias, Maple Syrup Urine Disease
Selective Screening of Children for Hereditary Metabolic Diseases by Tandem Mass Spectrometry in Kazakhstan
Inborn errors of metabolism (IEM) are not have specific clinical signs, they masquerade as other diseases, and are difficult to diagnose using only clinical manifestations or routine laboratory tests.
- Conditions
- Propionic/Methylmalonic Acidemias, Maple Syrup Urine Disease, Citrullinemia, Argininosuccinic Aciduria
- Trial name
- NCT05910151
- Testing
- Obtaining Dry Blood Spots From Healthy Newborns (Aged 1-7 Days), Obtaining Dry Blood Spots From Healthy Children Aged 8 Days - 7 Years, Obtaining Dry Blood Spots From Healthy Children Aged 8-18 Years
- Where
- Kazakhstan
- Volunteers
- 2,250 people, healthy volunteers welcome
- Sponsor
- West Kazakhstan Medical University
Urea Cycle Disorder, Uremia
Dysregulated Urea-synthesis at Terminal Uremia
This project will examine the dysregulation of the urea cycle in patients with terminal uremia using a validated method named "Functional Hepatic Nitrogen Clearance"
- Trial name
- NCT05076318
- Testing
- Aminoacid, alanine-infusion
- Where
- Denmark
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University of Aarhus
Hyperammonemia, Methylmalonic Acidemia
An Observational Study of Carbaglu® for the Treatment of MMA and PA in Adults and Pediatrics
To obtain short-term and long-term clinical safety information, in pediatric and adult patients with PA and MMA treated with Carbaglu®.
- Conditions
- Hyperammonemia, Methylmalonic Acidemia, Propionic Acidemia
- Trial name
- NCT05040178
- Testing
- Carglumic Acid
- Where
- 5 sites in United States
- Volunteers
- 20 people
- Sponsor
- RECORDATI GROUP
Metabolism and Nutrition Disorder
Amino Acid Metabolism in Fed Surgical Critically Ill Patients
Introduction Sarcopenia is defined as progressive generalized loss of skeletal muscle mass, strength and function. Sarcopenia due to lack of physical activity is a known phenomenon and is usually observed as a normal part of…
- Trial name
- NCT03451968
- Testing
- amino acid tracer injection for metabolism analysis
- Where
- Israel
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Rabin Medical Center
Phenylketonuria
Study of a Phenylalanine Restricted Diet During Pregnancy to Prevent Symptoms in Offspring of Patients With Phenylketonuria
OBJECTIVES: I. Assess the impact of a phenylalanine restricted diet during pregnancy on symptoms in offspring of patients with phenylketonuria.
- Trial name
- NCT00006142
- Testing
- phenylalanine restricted diet
- Sponsor
- National Center for Research Resources (NCRR)
Cardiovascular Diseases, Cerebrovascular Accident
Homocyst(e)Ine, Vitamin Status, and CVD Risk
To test the hypotheses that the risk of myocardial infarction and/or stroke is associated with elevated plasma levels of homocysteine, and low plasma levels of folate, vitamins B12 and B6.
- Conditions
- Cardiovascular Diseases, Cerebrovascular Accident, Coronary Disease, Myocardial Infarction
- Trial name
- NCT00005482
- Sponsor
- University of Washington
Spinal Muscular Atrophy, Fragile X Syndrome
Early Check: Expanded Screening in Newborns
Early Check provides voluntary screening of newborns for a selected panel of conditions. The study has three main objectives: 1) develop and implement an approach to identify affected infants, 2) address the impact on infants and…
- Conditions
- Spinal Muscular Atrophy, Fragile X Syndrome, Fragile X - Premutation, Duchenne Muscular Dystrophy
- Trial name
- NCT03655223
- Testing
- Confirmatory Testing
- Where
- United States
- Volunteers
- 30,000 people, healthy volunteers welcome
- Sponsor
- RTI International
Mild Cognitive Impairment
A Retrospective Analysis of Cerefolin NAC® in Cognitively Impaired Patients
This retrospective analysis of de-identified data from 700 charts of consecutive patients from this patient population is to investigate the prevalence of hyperhomocysteinemia and associated metabolic abnormalities in this…
- Trial name
- NCT01594541
- Where
- United States
- Volunteers
- 700 people
- Sponsor
- Pamlab, Inc.
Urea Cycle Disorders
Clinical Food Study to Evaluate the Effect of KB195 on Gut Nitrogen Metabolism in Patients With Urea Cycle Disorders
This clinical food study aims to explore the effect of KB195, a novel mixture of oligosaccharides, on the metabolism of nitrogen by the microbiome in patients with urea cycle disorders (UCDs).
- Trial name
- NCT03797131
- Testing
- KB195 (a novel mixture of oligosaccharides)
- Where
- Switzerland
- Volunteers
- 4 people
- Sponsor
- Kaleido Biosciences
Phenylketonurias
Preliminary Study of Brain Effects of Palynziq-Related Changes in Phenylalanine in Individuals With PKU
The goal of the proposed study is to elucidate neurologic and neuropsychological improvements associated with Palynziq-related reduction in plasma Phe levels in individuals with PKU.
- Trial name
- NCT05356377
- Testing
- Pegvaliase-Pqpz
- Where
- 2 sites in United States
- Volunteers
- 6 people
- Sponsor
- University of Missouri-Columbia
Plasma Amino Acid Appearance and Disappearance, Postprandial Metabolic Events
Effects of Pea Proteins With Different Degrees of Processing on Postprandial Metabolism in Healthy Adults
The aim of this study is to investigate the postprandial metabolic responses to plant-based protein ingredients of different degrees of processing (pea protein concentrate, isolate, and extrudate) and in comparison to whey…
- Trial name
- NCT06155656
- Testing
- Pea protein concentrate, Pea protein isolate, Pea protein extrudate
- Where
- Germany
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Bonn
Cytomegalovirus Anterior Segment Infection, Anterior Uveitis
Topical Administration of 0.15% Ganciclovir Gel for CMV Anterior Uveitis / Endotheliitis
Objective of this study is to investigate the intracameral level of ganciclovir following topical application of 0.15% ganciclovir gel (VIRGAN©) for Cytomegalovirus (CMV) anterior uveitis and endothelitis.
- Conditions
- Cytomegalovirus Anterior Segment Infection, Anterior Uveitis, Endotheliitis
- Trial name
- Virgan (NCT01647529)
- Testing
- Ganciclovir
- Where
- Singapore
- Volunteers
- 29 people
- Sponsor
- Singapore National Eye Centre
Old Age
Modulation of Muscle Protein Metabolism by Essential Amino Acids
The investigators plan to explore the ability of amino acids, the building blocks of proteins in our bodies and in the food we eat, to stimulate muscles to grow and stay strong.
- Trial name
- Aj1B (NCT01890369)
- Testing
- 15g Mixed Essential Amino Acids, 3g Leucine, 15g Mixed Essential Amino Acid REFEED
- Where
- United Kingdom
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- University of Nottingham
Phenylketonuria
An Open-Label Phase 3 Study of BMN 165 for Adults With PKU Not Previously Treated w/ BMN 165
The BMN 165 clinical development program has been designed to demonstrate the safety and efficacy of BMN 165 in reducing blood Phe concentrations in patients 18 to 70 years old with hyperphenylalaninemia due to PKU.
- Trial name
- Prism301 (NCT01819727)
- Testing
- BMN 165
- Where
- 31 sites in United States
- Volunteers
- 261 people
- Sponsor
- BioMarin Pharmaceutical
Phenylketonuria (PKU)
Effects of Kuvan on Melatonin Secretion
This study examines the effect of tetrahydrobiopterin (Kuvan) and Large Neutral Amino Acid (LNAA) therapy on melatonin and dopamine levels in individuals with Phenylketonuria (PKU).
- Trial name
- NCT01617070
- Testing
- Kuvan, Large Neutral Amino Acid Therapy
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- University of Southern California
Phenylketonurias, PAH Deficiency
Gene Therapy Clinical Study in Adult PKU
This is a Phase 1/2, open-label, randomized, concurrently-controlled, dose escalation study to evaluate the safety and efficacy of HMI-102 in adult PKU subjects with PAH deficiency.
- Trial name
- pheNIX (NCT03952156)
- Testing
- HMI-102
- Where
- 13 sites in United States
- Volunteers
- 10 people
- Sponsor
- Homology Medicines, Inc