Clinical trials: Hyperhomocysteinemia
Uremia, Chronic Renal Failure
Uremic Hyperhomocysteinemia -A Folate Trial for Possible Prevention of Cardiovascular Events
Homocysteine recently gained access to the category of risk factor for the development of atherosclerotic cardiovascular disease in the general population.
- Conditions
- Uremia, Chronic Renal Failure, Hemodialysis, Hyperhomocysteinemia
- Trial name
- NCT00317005
- Testing
- folate treatment
- Where
- 2 sites in Brazil
- Volunteers
- 186 people
- Sponsor
- Universidade Estadual de Londrina
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.
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)
Benign Paroxysmal Positional Vertigo (BPPV), Vestibular Migraine
Metabolic Disorders and Vertigo
The purpose of investigation is to assess the levels of metabolic factors (hydroxyvitamin D, homocysteine) between patients with vestibular dysfunction of peripheral origin (BPPV) and central origin (vestibular migraine).
- Conditions
- Benign Paroxysmal Positional Vertigo (BPPV), Vestibular Migraine, Central Positional Vertigo, Vestibular Neuritis
- Trial name
- NCT04935970
- Testing
- diagnostic blood test, neuropsychological test
- Where
- Russia
- Volunteers
- 100 people
- Sponsor
- I.M. Sechenov First Moscow State Medical University
Homocystinuria
Effects of Exercise on Metabolic Parameters in Classical Homocystinuria
The aim of this research project is to compare the effect of an aerobic exercise session in two different populations. Sampling biological material and collecting health-related personal data entails minimal risks and burdens.
- Trial name
- NCT04021732
- Where
- 2 sites in Switzerland
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University of Lausanne
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
Essential Hypertension
Efficacy of Amlodipine-folic Acid Tablets on Reduction of Blood Pressure and Plasma Homocysteine
To evaluate the efficacy of Amlodipine-folic Acid Tablets on reduction of blood pressure and plasma homocystein.
- Trial name
- NCT01848873
- Testing
- Amlodipine, amlodipine-FA tablet, low dose group, amlodipine-FA tablet ,high dose group
- Where
- 16 sites in China
- Volunteers
- 756 people
- Sponsor
- Shenzhen Ausa Pharmed Co.,Ltd
CBS Deficiency
Effect of Acetaminophen and N-Acetylcysteine on Liver Metabolism on Homocystinuria
In homocystinuria due to cystathionine beta synthase (CBS) deficiency or classical homocystinuria, decreased blood cysteine levels are observed.
- Trial name
- NCT04015557
- Testing
- Acetaminophen, N-acetylcysteine
- Where
- Brazil
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Hospital de Clinicas de Porto Alegre
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
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, Hyperlipoproteinemias
Evaluating the Impact of B Vitamin Supplementation (Soloways™) on Homocysteine and LDL-C Levels in Patients With MTHFR, MTR, and MTRR Polymorphisms.
This randomized, double-blind, placebo-controlled trial will evaluate the impact of methylfolate, pyridoxal-5'-phosphate (P5P), and methylcobalamin supplementation on homocysteine and LDL-C levels in individuals with low to…
- Trial name
- VITAGEN-H (NCT06163443)
- Testing
- Vitamin B
- Where
- Russia
- Volunteers
- 54 people
- Sponsor
- S.LAB (SOLOWAYS)
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
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
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
Hypertension (HTN), Hyperhomocysteinemia
Homocysteine and Early Diastolic Dysfunction in Newly Diagnosed Hypertension
This prospective single-center observational study aims to evaluate the relationship between elevated plasma homocysteine levels and early echocardiographic abnormalities in patients with newly diagnosed essential hypertension.
- Conditions
- Hypertension (HTN), Hyperhomocysteinemia, Diastolic Dysfunction
- Trial name
- HHT-EDD (NCT07480265)
- Testing
- Homocysteine Measurement and Echocardiography
- Where
- Turkey (Türkiye)
- Volunteers
- 500 people
- Sponsor
- Necmettin Erbakan University
Mild Hyperhomocysteinemia
Does B Vitamin Supplementation Decrease Homocysteine Concentrations in Newborns
The purpose of this study is to determine whether supplementation with folinic acid, a B vitamin, lowers the concentrations of total homocysteine in newborns.
- Trial name
- NCT00877227
- Testing
- 5-formyltetrahydrofolate (10 mg/ml) (Pharmachemie bv)
- Where
- Netherlands
- Volunteers
- 37 people, healthy volunteers welcome
- Sponsor
- Radboud University Medical Center
Hyperhomocysteinemia
The Effects of 8-week Choline, Betaine, and Folic Acid Supplementation on Plasma Homocysteine Concentration During Guanidinoacetic Acid Loading in Young Healthy Volunteers
A methyl-group acceptor such as guanidinoacetic acid (GAA) could induce hyperhomocysteinemia with the effects of GAA expected to be dose-dependent.
- Trial name
- NCT01371357
- Testing
- TEST 1, TEST 2, TEST 3
- Where
- Serbia
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Center for Health Sciences, Serbia
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)
Essential Hypertension
Efficacy of Amlodipine-Folic Acid Tablets on Reduction of Blood Pressure and Plasma Homocysteine
To evaluate the efficacy of Amlodipine-Folic Acid Tablets on reduction of blood pressure and plasma total homocysteine.
- Trial name
- NCT01956786
- Testing
- Amlodipine-FA tablet,low dose group, Amlodipine-FA tablet,high dose group, Amlodipine
- Where
- 3 sites in China
- Volunteers
- 540 people
- Sponsor
- Shenzhen Ausa Pharmed Co.,Ltd
Dementia With Vitamin B12 Deficiency
The Role of Methycobalamin in Early Dementia Patients With Vitamin B12 Deficiency and Hyperhomocysteinaemia.
Patients who fit the inclusion criteria are admitted into the study. They are given 3 IV injection of MBL in the first week and one tablet three times a day for 16 weeks.
- Trial name
- NCT00165711
- Testing
- Mecobalamin
- Where
- China
- Sponsor
- Eisai Co., Ltd.