Clinical trials: Gene Polymorphism
Fabry, Renal Disease
Relation Between Polymorphism in Genes Related to Kidney Disease and Renal Manifistations in Fabry Disease
The rational of the study is to try to predict which of the patients who suffer from Fabry disease will have End Stage Renal Disease.
- Trial name
- NCT00437944
- Volunteers
- healthy volunteers welcome
- Sponsor
- Shaare Zedek Medical Center
COVID 19 Associated Coagulopathy
Prevalence of Thrombophilic Gene Polymorphism (MTHFR C677T) in COVID-19patients
Aim of the study is to find the prevalence of thrombophilic gene methylene tetrahydrofolate reductase (MTHFR) gene polymorphism in a sample of COVID-19 patients, aiming at early detection of MTHFR mutant patients and guiding…
- Trial name
- (MTHFR)C677T (NCT05679414)
- Testing
- RT- PCR of 2 ml EDTA blood sample to determine MTHFR C677T genotypes
- Where
- Egypt
- Volunteers
- 46 people, healthy volunteers welcome
- Sponsor
- Ain Shams University
Age-related Hearing Loss, Presbycusis
Genetic Study of Age Related Hearing Loss
Age-related hearing loss, or presbyacusis, is one of the most common chronically handicapped conditions for the elderly. Many factors including genetics, diet, diseases, drugs, socioeconomic factors and environmental variables…
- Trial name
- ARHL (NCT01732289)
- Testing
- genes
- Where
- Taiwan
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
Healthy
Influence of CYP2C19 Genetic Variants on Clopidogrel in Healthy Subjects
To test pharmacodynamic response to clopidogrel 150mg once daily during 7 days in healthy subjects carriers of a mutated allele (*2) associated with CYP2C19 deficiency and non responders to the usual regimen of 75 mg once daily
- Trial name
- NCT00413608
- Testing
- Clopidogrel
- Where
- France
- Volunteers
- 140 people, healthy volunteers welcome
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Primary Ovarian Insufficiency, Cardiovascular Diseases
Associations of Combinations of Single-nucleotide Polymorphisms in Women With Premature Ovarian Failure
Research objective. To study the associations between combinations of single nucleotide polymorphisms and behavioural risk factors with non-communicable diseases and adverse outcomes in women with premature ovarian failure.
- Conditions
- Primary Ovarian Insufficiency, Cardiovascular Diseases, Menopause, Premature, Coronary Disease
- Trial name
- NCT04943354
- Testing
- Taking a person's venous blood
- Where
- Russia
- Volunteers
- 238 people, healthy volunteers welcome
- Sponsor
- Ryazan State Medical University
Healthy
A Clinical Study to Explore Biomarkers for Drug-induced Liver Injury (DILI)
This study has an open-label, one-sequence, multiple drug administration design. The purpose of this study is as follows; To evaluate the change of liver function according to glutathione s-transferase (GST) genotype after the…
- Trial name
- NCT02143323
- Testing
- Augmentin tablet
- Where
- 2 sites in South Korea
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Seoul National University Hospital
Rheumatoid Arthritis
Relation of IL23R and IL17A Gene Polymorphisms Plus Serum Levels of IL23 and IL17A to Rheumatoid Arthritis Susceptibility and Activity
Assess the impact of rs2201841 and rs2275913 single nucleotide polymorphism of host genes IL-23R and IL-17A respectively on susceptibility of rheumatoid arthritis .
- Trial name
- NCT05570513
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Assiut University
the Effect of MTHFR C677T on Folate Metabolism
Effect of Folic Acid on Primary Folate Forms in Relation to MTHFR
The common polymorphism in MTHFR gene (C677T) has a significant effect on (6S)-5-CH3-H4folate after folic acid supplementation. For example, post supplementation differences in (6S)-5-CH3-H4folate between CC and TT are above 30%.
- Trial name
- NCT01105351
- Testing
- folic acid plus B6 and B12, folic acid
- Where
- Germany
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Universität des Saarlandes
Dyslipidemia, Impaired Glucose Tolerance
Dietary Modulation of Hepatic Lipase (LIPC) -514 C/T Variant Associations With Lipids and Glucose
The investigators evaluated dietary modulation of LIPC rs1800588 (-514 C/T) for lipids and glucose using a randomized cross-over design comparing a high-fat Western diet and a low-fat traditional Hispanic diet in Caribbean…
- Trial name
- NCT02938091
- Testing
- High-fat diet, Low-fat diet
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- Tufts University
CYP2D6 Polymorphism
Effects of Retinoids on CYP2D6 Activity During Pregnancy
Prospective drug interaction study during pregnancy.
- Trial name
- NCT03117660
- Testing
- Vitamin A
- Where
- United States
- Volunteers
- 82 people, healthy volunteers welcome
- Sponsor
- University of Washington
Effects of Smoking on Infant
The Stress Responses of Fetuses and Infants Whose Mothers Smoked During Pregnancy
It is generally understood that smoking during pregnancy has deleterious effects on the developing fetus, although research on smoking during pregnancy has been limited in focus, with most studies focused on birth weight of…
- Trial name
- NCT00563966
- Where
- Israel
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Hadassah Medical Organization
Lumbar Disc Degeneration, Low Back Pain
Interleukin-1β (rs 1143627 T/C) Gene Polymorphism May Increase the Risk of Developing LDD in Turkish Population
This study aims to show the association between the Interleukin-1β (rs 1143627 T/C) gene polymorphism and the patient's pain level, radiological features, functional disability, and spinal flexibility.
- Conditions
- Lumbar Disc Degeneration, Low Back Pain, Inflammation
- Trial name
- NCT05601739
- Where
- Turkey (Türkiye)
- Volunteers
- 94 people, healthy volunteers welcome
- Sponsor
- Yeditepe University
Diabetes, Hypoglycemia Unawareness
The Effect of Antecedent Hypoglycaemia on β2-adrenergic Sensitivity
Hypoglycaemia unawareness is a common complication in patients with type 1 diabetes and with insulin-treated type 2 diabetes of long duration.
- Trial name
- NCT00160056
- Testing
- Hypoglycemia
- Where
- Netherlands
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Radboud University Medical Center
Major Depression
Assessment of Pituitary Adenylate Cyclase Activating Polypeptide-Brain Derived Neurotrophic Factor (PACAP-BDNF) Signaling System Involvement in Etiology and Treatment of Major Depression
The neuropeptide Pituitary Adenylate Cyclase Activating Polypeptide (PACAP) and its receptors PAC1 and VPAC2 are widely expressed in the nervous system.
- Trial name
- NCT00944996
- Testing
- SSRI; SNRI; TCA
- Where
- Israel
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Tirat Carmel Mental Health Center
Comparative Bioavailability Study
Influence of Ethnicity and ABCB1 Gene Polymorphism on the Pharmacokinetics of Azithromycin in Healthy Bangladeshi Volunteers
It is well recognized that different patients respond in different ways to the same medication. These differences are often greater among members of a population than they are within the same person at different times (or between…
- Trial name
- NCT05437783
- Testing
- Azithromycin Dihydrate
- Where
- Bangladesh
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Bangabandhu Sheikh Mujib Medical University, Dhaka, Bangladesh
Alzheimer's Disease
Effect of REST in the Alzheimer Disease Continuum
The investigators assume that REST gene polymorphism affects REST protein concentration, and REST protein concentration in peripheral blood is related to cognitive function and hippocampus.
- Trial name
- ERADC (NCT03884023)
- Where
- China
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Dongzhimen Hospital, Beijing
Characterize rs70991108 Polymorphism of DHFR Gene
DHFR 19 bp Deletion Polymorphism and Folic Acid Utilization
A genetic variation in the gene for the protein dihydrofolate reductase (DHFR) that is necessary to utilize folic acid (a synthetic form of the B vitamin folate found in supplements and fortified food), increases the risk for…
- Trial name
- NCT03319979
- Volunteers
- 117 people, healthy volunteers welcome
- Sponsor
- Tufts University
Hepatocellular Carcinoma
Relationship Between Polymorphism of Heat Shock Protein 70 Gene and Hepatocellular Carcinoma
Polymorphisms of HSP70 and tumor necrosis factor-alpha promoter in patients with hepatocellular carcinoma, chronic liver disease and healthy controls will be measured by PCR-RFLP or direct sequencing.
- Trial name
- HSP70 (NCT00769535)
- Testing
- Polymorphisms of HSP70 and TNF promoter
- Where
- 2 sites in Taiwan
- Volunteers
- 600 people, healthy volunteers welcome
- Sponsor
- Kaohsiung Medical University Chung-Ho Memorial Hospital
Hypertension, Periodontitis
Evaluation of MTHFR Gene Polymorphism and Periodontal Clinical Parameters in Healthy, Hypertensive, and Periodontitis Individuals
This observational study aims to evaluate the relationship between MTHFR gene polymorphisms and periodontal clinical findings in healthy individuals, individuals with hypertension, individuals with periodontitis, and individuals…
- Trial name
- NCT07873385
- Testing
- MTHFR Gene Polymorphism Analysis
- Where
- Turkey (Türkiye)
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Akdeniz University
ICD, Arrythmia
Genome-Wide Association Study With the Aim of Implantable Cardioverter Defibrillator Implantation Genophenotypic Risk Stratification
This clinical study will be conducted with funding from European Innovation Council(EIC) after approval of the fund grant and is part of our organization's European Pathfinder Project(Ref…
- Conditions
- ICD, Arrythmia, Sudden Cardiac Death
- Trial name
- ICDGPSS (NCT05582252)
- Testing
- Non-Invasive saliva sampling
- Where
- Turkey (Türkiye)
- Volunteers
- 2,500 people, healthy volunteers welcome
- Sponsor
- Selcuk University