Clinical trials: Amino Acid Metabolism
Hyperhomocysteinemia, Thrombotic, Cbs-Related, Ischemic Stroke
Methylenetetrahydrofolate Reductase Deficiency in Ischemic Stroke
Adult onset epileptic seizures is rare and often associated with metabolic disorders, drugs and intracranial pathologies such as ischemia, hemorrhage or space-occupying lesions.
- Conditions
- Hyperhomocysteinemia, Thrombotic, Cbs-Related, Ischemic Stroke, Epilepsy
- Trial name
- NCT04287881
- Testing
- Methylenetetrahydrofolate reductase (MTHFR) deficiency
- Where
- 2 sites in Turkey (Türkiye)
- Volunteers
- 32 people
- Sponsor
- Istanbul Medeniyet University
Phenylketonuria (PKU)
Study to Evaluate the Safety and Efficacy of Pegvaliase in Adolescents (Ages 12-17) With Phenylketonuria
This is a Phase 3 open-label randomized controlled study enrolling approximately 54 adolescents with PKU. The study is designed to assess the safety and efficacy of pegvaliase injections.
- Trial name
- PEGASUS (NCT05270837)
- Testing
- Pegvaliase, Diet Only
- Where
- 16 sites in United States, Germany
- Volunteers
- 55 people
- Sponsor
- BioMarin Pharmaceutical
Metabolism, Inborn Errors, Lipid Metabolism, Inborn Errors
Fat and Sugar Metabolism During Exercise in Patients With Metabolic Myopathy
This study aims to characterize the pathophysiological mechanisms of 21 different metabolic myopathies. The study will focus on exercise capacity and the metabolic derangement during exercise.
- Conditions
- Metabolism, Inborn Errors, Lipid Metabolism, Inborn Errors, Carbohydrate Metabolism, Inborn Errors, Long-Chain 3-Hydroxyacyl-CoA Dehydrogenase Deficiency
- Trial name
- NCT02635269
- Testing
- Sugar
- Where
- Denmark
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Copenhagen University Hospital, Rigshospitalet
Health, Hypertension
Optical Coherence Tomography And NEphropathy: The OCTANE Study
Patients with high blood pressure (hypertension) and chronic kidney disease are at an increased risk of developing heart disease and strokes.
- Conditions
- Health, Hypertension, Chronic Kidney Disease
- Trial name
- NCT02132741
- Where
- United Kingdom
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- University of Edinburgh
Coronary Artery Disease
The Anabolic Effect Of Perioperative Nutrition With Insulin In Patients Undergoing CABG
This study evaluates whether providing a nutritional intervention in the form of insulin, sugar and protein during and after open-heart surgery will increase the body's protein stores and maintain a normal level of blood sugar.
- Trial name
- NCT02549443
- Testing
- Amino acids
- Where
- Canada
- Volunteers
- 30 people
- Sponsor
- McGill University Health Centre/Research Institute of the McGill University Health Centre
Homocystinuria Due to CBS Deficiency
Natural History Study of Homocystinuria Caused by Cystathionine Beta-Synthase Deficiency (ACAPPELLA)
The purpose of the study is to characterize the clinical course of homocystinuria in pediatric and adult patients aged 1 to 65 years under current clinical management practices
- Trial name
- NCT02998710
- Where
- 11 sites in United States, Ireland and 2 more
- Volunteers
- 110 people
- Sponsor
- Travere Therapeutics, Inc.
Phenylketonuria
Study of Low-grade Systemic Inflammation in Adult Patients With Phenylketonuria
Patient suffering from phenylketonuria have chronic hyperphenylalaninemia. Hyperphenylalaninemia is known to be toxic to central nervous system and cardiovascular system in particular through oxydative stress.
- Trial name
- INGRAPH (NCT04879277)
- Testing
- Blood samples
- Where
- 2 sites in France
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University Hospital, Tours
MELAS Syndrome
Clinical Long Term Evaluation of Glutamine Supplement in MELAS Syndrome
The purpose of this study is to assesses the clinical efficacy of oral supplementation with glutamine over 3 years.
- Trial name
- NCT05255328
- Testing
- Glutamine oral supplement
- Where
- Spain
- Volunteers
- 9 people
- Sponsor
- Hospital Universitario 12 de Octubre
Brain Neoplasm, Neoplasm Metastasis
Gene Therapy for the Treatment of Brain Tumors
Malignant brain tumors are responsible for a significant amount of deaths in children and adults. Even with advances in surgery, radiation therapy, and chemotherapy, many patients diagnosed with a malignant brain tumor survive…
- Trial name
- NCT00001328
- Testing
- Cytovene (Ganciclovir Sodium), G1TKSVNa.53 Producer Cell Line
- Where
- United States
- Volunteers
- 15 people
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Urea Cycle Disorders
To Evaluate the Safety of Long-term Use of HPN-100 in the Management of Urea Cycle Disorders (UCDs)
This was an open-label, long-term safety study of HPN-100 (RAVICTI; glycerol phenylbutyrate) in participants with a urea cycle disorder (UCD) who completed the safety extensions of HPN-100-005 (NCT00947544; HPN-100-005SE)…
- Trial name
- NCT01257737
- Testing
- HPN-100
- Where
- 16 sites in United States, Canada
- Volunteers
- 88 people
- Sponsor
- Amgen
Non-Alcoholic Fatty Liver Disease, Obesity
Direct Versus Indirect Effect of Amino Acids on Hepatokines
Liver hormones are key metabolic regulators and increased in metabolic diseases, including fatty liver disease. The underlying mechanisms driving the elevated levels are currently unknown and presents a major challenge in…
- Trial name
- Diaakine (NCT06240039)
- Testing
- Evaluating the acute effect of an amino acid infusion with and without a concomitant infusion of the somatostatin analogue octreotide to eliminate endogenous production of glucagon
- Where
- Denmark
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Copenhagen
Sarcopenia, Diabetes Mellitus
Identifying Therapeutic Targets of Accelerated Sarcopenia
The proposed research is designed to identify the mechanisms that can accelerate loss of muscle size, strength and physical function in type 2 diabetes and with hospitalization in older persons.
- Conditions
- Sarcopenia, Diabetes Mellitus, Aging
- Trial name
- NCT03118050
- Testing
- Resistance exercise training, Bed rest, Intensive physical therapy
- Where
- United States
- Volunteers
- 95 people, healthy volunteers welcome
- Sponsor
- The University of Texas Medical Branch, Galveston
Female Sex Hormones, Menstrual Cycle
Menstrual Cycle vs. Oral Contraceptives: Effects on Muscle Protein Metabolism After Resistance Exercise
The muscles of the body are constantly breaking down old proteins and building new ones. These two processes, protein breakdown and protein synthesis, together are known as protein turnover.
- Conditions
- Female Sex Hormones, Menstrual Cycle, Oral Contraceptives, Protein Metabolism
- Trial name
- MCOC (NCT07258576)
- Testing
- Protein Beverage, Stable Isotope Tracer [D5]phenylalanine, Stable Isotope Tracer [13C]phenylalanine
- Where
- Canada
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Toronto
Inherited Ophthalmic Diseases, Hypopigmentation Disorder
National Ophthalmic Genotyping and Phenotyping Network (eyeGENE (Registered Trademark)), Stage 3 - Expansion of DNA and Data Repositories for Rare Inherited Ophthalmic Diseases
Background: The eyeGENE (Registered Trademark) program is a research resource for inherited eye conditions which includes genotypic and phenotypic data, imaging, and a corresponding biobank of DNA samples from people with a…
- Conditions
- Inherited Ophthalmic Diseases, Hypopigmentation Disorder, Corneal Dystrophy, Blue-cone Monochromacy
- Trial name
- NCT06491615
- Where
- 2 sites in United States
- Volunteers
- 1,000 people
- Sponsor
- National Eye Institute (NEI)
Ornithine Transcarbamylase Deficiency
Safety, Tolerability and Pharmacokinetics of ARCT-810 in Healthy Adult Subjects
Determine the safety, tolerability and pharmacokinetics of single doses of ARCT-810 in healthy adult subjects.
- Trial name
- NCT04416126
- Testing
- ARCT-810
- Where
- New Zealand
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Arcturus Therapeutics, Inc.
Chediak-Higashi Syndrome
Study of Chediak-Higashi Syndrome
Chediak-Higashi syndrome (CHS) is a rare autosomal recessive disorder characterized in its classical form by oculocutaneous albinism, a bleeding diathesis, recurrent infection due to abnormal neutrophil and natural killer cell…
- Trial name
- NCT00005917
- Where
- United States
- Volunteers
- 60 people
- Sponsor
- National Human Genome Research Institute (NHGRI)
Peritoneal Dialysis, Diabetes
Clinical Study of the Use of Amino Acid Peritoneal Dialysate in Diabetic Patients
The study is a single center, open, prospective, self controlled clinical study. The patients with diabetes who are to be enrolled in peritoneal dialysis are to observe the changes of glycosylated hemoglobin relative to the…
- Trial name
- NCT07077538
- Testing
- Amino acid peritoneal dialysis solution
- Where
- China
- Volunteers
- 70 people
- Sponsor
- The People's Hospital of Gaozhou
Cytomegalovirus Retinitis, HIV Infections
The Safety and Effectiveness of Ganciclovir in the Prevention of Cytomegalovirus (CMV) of the Eyes and Disease of the Stomach and Intestines in Patients With HIV
To evaluate the safety and efficacy of oral ganciclovir for prophylaxis against cytomegalovirus (CMV) retinal and gastrointestinal mucosal disease in HIV-infected patients with severe immunosuppression.
- Conditions
- Cytomegalovirus Retinitis, HIV Infections, Gastrointestinal Diseases
- Trial name
- NCT00001034
- Testing
- Ganciclovir
- Where
- 17 sites in United States
- Volunteers
- 850 people
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Propionic Acidemia
AAVrh10-PCCA Gene Therapy for Propionic Acidemia
Propionic acidemia is a genetic metabolic disorder characterized by metabolic acidosis, ketosis, vomiting, lethargy, cognitive impairment, and risk of death.
- Trial name
- NCT07643844
- Testing
- AAVrh10-PCCA low dose, AAVrh10-PCCA middle dose, AAVrh10-PCCA high dose
- Where
- United States
- Volunteers
- 9 people
- Sponsor
- Mayo Clinic
Hereditary Tyrosinemia, Type I
Bioequivalence Study of Two Nitisinone Formulations Compared to Orfadin
The purpose of this study is to determine whether Nitisinone 10 mg Tablets (Test Product 1 (TP1)) and Nitisinone 10 mg Tablets High Compritol (Test Product 2 (TP2)) are bioequivalent to the reference product Orfadin 10 mg…
- Trial name
- NCT02750709
- Testing
- Nitisinone, Nitisinone 10 mg Tablet High Compritol, Orfadin
- Where
- South Africa
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Cycle Pharmaceuticals Ltd.