Clinical trials: Hyperhomocysteinemia
Homocystinuria
A Long-term Extension Study to Assess the Long-term Safety and Efficacy of Pegtibatinase Treatment in Participants ≥5 to ≤65 Years of Age With Classical Homocystinuria (HCU) (ENSEMBLE)
The goal of this long-term extension (LTE) study is to evaluate the safety and efficacy of pegtibatinase in patients with classical homocystinuria (HCU).
- Trial name
- ENSEMBLE (NCT06431893)
- Testing
- Pegtibatinase
- Where
- 52 sites in United States, Australia and 12 more
- Volunteers
- 100 people
- Sponsor
- Travere Therapeutics, Inc.
Hyperhomocysteinemia, Obesity
Effect of Folic Acid Supplementation on Plasma Homocysteine Level in Obese Children
The purpose of the present study was to determine whether folic acid supplementation could reduce plasma homocysteine in obese children and to determine the association between dietary folate, serum folate and homocysteine level…
- Trial name
- NCT01766310
- Testing
- Folic Acid
- Where
- 2 sites in Thailand
- Volunteers
- 50 people
- Sponsor
- Queen Sirikit National Institute of Child Health
Phenylketonurias, PKU
Evaluation of the Express Plus Range
A prospective, open label, acceptability study to evaluate PKU, MSUD, HCU, TYR and GA express plus in the dietary management of 40 patients with IEM.
- Conditions
- Phenylketonurias, PKU, Homocystinuria, Maple Syrup Urine Disease
- Trial name
- express plus (NCT05051657)
- Testing
- PKU express plus
- Where
- 6 sites in United Kingdom
- Volunteers
- 28 people
- Sponsor
- Vitaflo International, Ltd
Congenital Adrenal Hyperplasia, Familial Hyperinsulinemic Hypoglycemia 1
Baby Detect : Genomic Newborn Screening
Newborn screening (NBS) is a global initiative of systematic testing at birth to identify babies with pre-defined severe but treatable conditions.
- Conditions
- Congenital Adrenal Hyperplasia, Familial Hyperinsulinemic Hypoglycemia 1, Phosphoglucomutase 1 Deficiency, Maturity Onset Diabetes of the Young
- Trial name
- BabyDetect (NCT05687474)
- Where
- Belgium
- Volunteers
- 6,824 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier Universitaire de Liege
Homocystinuria
Health Related Quality of Life (HrQoL) in Classical Homocystinuria (CBS Deficiency)
Patients, parents of young / handicapped patients, and experts will be interviewed to collect contents relevant for HrQoL in CBS deficiency.
- Trial name
- CBS_HrQoL (NCT06556615)
- Testing
- Interview
- Where
- Switzerland
- Volunteers
- 80 people
- Sponsor
- University Children's Hospital, Zurich
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.
Cardiovascular Diseases, Peripheral Vascular Diseases
Homocysteine and Progression of Atherosclerosis
In the first phase, to establish the relationship of progression of peripheral vascular disease (PVD) to plasma homocysteine. In the second phase, to conduct a randomized, controlled trial of folic acid treatment of plasma…
- Conditions
- Cardiovascular Diseases, Peripheral Vascular Diseases, Atherosclerosis, Cerebrovascular Disorders
- Trial name
- NCT00005338
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
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
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
Classical Homocystinuria
The Effect of Dietary Management and Cysteine Supplementation on Growth Parameters and Biochemical Control for Pediatric Qatari Patients Affected with Classical B6 Non-responsive Homocystinuria.
Classical homocystinuria (HCU) is an autosomal recessive disorder caused by the deficiency of an enzyme cystathionine β-synthase (CβS) that affects the catabolic pathway of the amino acid methionine (Met) which leads to an…
- Trial name
- NCT06622577
- Testing
- Cysteine
- Where
- Qatar
- Volunteers
- 50 people
- Sponsor
- Hamad Medical Corporation
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
Organic Acidemia, Methylmalonic Acidemia
Clinical and Laboratory Study of Methylmalonic Acidemia
Methylmalonic acidemia (MMA), one of the most common inborn errors of organic acid metabolism, is heterogeneous in etiology and clinical manifestations.
- Conditions
- Organic Acidemia, Methylmalonic Acidemia, Inborn Errors of Metabolism
- Trial name
- NCT00078078
- Where
- 3 sites in United States
- Volunteers
- 2,275 people, healthy volunteers welcome
- Sponsor
- National Human Genome Research Institute (NHGRI)
Homocystinuria
Study of Homocysteine Metabolism in Homocystinuria
OBJECTIVES: I. Determine basal and postmethionine plasma homocysteine in patients with premature vascular disease, cystathionine beta-synthase (CBS) or methylenetitrahydrofolate reductase (MTHFR) deficiency, and in obligate…
- Trial name
- NCT00004356
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- National Center for Research Resources (NCRR)
Cardiovascular Diseases, Heart Diseases
Plasma Homocysteine Distribution in the United States
To describe the distribution of homocysteine and prevalence of hyperhomocysteinemia with emphasis on race, sex and age. To determine the extent to which hyperhomocysteinemia is associated with status of folate and vitamin B12.
- Conditions
- Cardiovascular Diseases, Heart Diseases, Hyperhomocysteinemia
- Trial name
- NCT00005483
- Sponsor
- Tufts University
Chronic Kidney Disease Requiring Hemodialysis
Effect of Zinc Supplementation on Hyperhomocysteinemia Compared to Folic Acid in CKD Patient on Hemodialysis
Hyperhomocysteinemia is a well-recognized risk factor for accelerated cardiovascular events in hemodialysis patients. Hyperhomocysteinemia is common in individuals with chronic kidney disease (CKD).
- Trial name
- CKD (NCT06847139)
- Testing
- Zinc Sulfate 50 Mg Tab, Folic Acid 5 Mg Oral Tablet
- Where
- Bangladesh
- Volunteers
- 90 people
- Sponsor
- Chittagong Medical College
Metabolic Syndrome X
Study of Chronic Degenerative Diseases
The prevalence of obesity and type 2 diabetes mellitus (DM) in children have been increasing in parallel at an alarming rate. In particular, the increasing prevalence of type 2 DM is attributable to genetic factors, clinical…
- Trial name
- NCT02495961
- Where
- Mexico
- Volunteers
- 57 people, healthy volunteers welcome
- Sponsor
- Asociación Científica Latina A.C.
Homocystinuria
Betaine METABOLISM OF PATIENTS With Homocystinuria
Oral treatment with betaine is conventionally used for patients with inherited homocystinurias. These conditions include a first group of patients with a cystathionine β-synthase (CBS) deficiency and a second group of patients…
- Trial name
- HCTBETAINE (NCT02404337)
- Testing
- Betaine
- Where
- France
- Volunteers
- 12 people
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Homocystinuria Due to Cystathionine Beta-Synthase Deficiency
A Multiple Ascending Dose Study of ACN00177 (Pegtarviliase) in Subjects With CBS Deficiency
The purpose of this study is to evaluate the safety and tolerability of pegtarviliase in approximately 36 subjects with homocystinuria due to CBS deficiency.
- Trial name
- NCT05154890
- Testing
- Pegtarviliase IV, Pegtarviliase SC
- Where
- 9 sites in United States, Australia and 1 more
- Volunteers
- 13 people
- Sponsor
- Aeglea Biotherapeutics
Homocystinuria
Oxidative Stress Markers In Inherited Homocystinuria And The Impact Of Taurine
Cystathionine beta-synthase deficiency is an inherited disease that results in elevation of a substance called homocysteine (Hcy) in blood and urine.
- Trial name
- NCT01192828
- Testing
- taurine
- Where
- 4 sites in United States
- Volunteers
- 15 people
- Sponsor
- University of Colorado, Denver
Alzheimer Disease, Homocystinemia
Hyperhomocysteinemia in Alzheimer's Disease
Alzheimer's disease (AD) is the most common neurodegenerative disease. Age is its main risk factor. AD is a multifactorial disease, combining genetic and environmental risk factors.
- Trial name
- Hcy-MA (NCT05793372)
- Testing
- Retrospective study of clinical features
- Volunteers
- 43 people
- Sponsor
- Central Hospital, Nancy, France