Clinical trials: Gene Polymorphism
Helicobacter Pylori Infection
Community-based Helicobacter Pylori Eradication
Based on a universal eradication of H. pylori in an offshore island (Matsu) with a high prevalence of gastric cancer as well as premalignant gastric lesion, we first examined the infection rate of H. pylori.
- Trial name
- NCT00155389
- Testing
- Helicobacter pylori eradication
- Where
- 2 sites in Taiwan
- Volunteers
- 5,000 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
Glucose Homeostasis, Protein Metabolism
The Role of Glucocorticoid Receptor SNPs in Receptor Function and Metabolic Disease
Background: Glucocorticoids are primary stress response hormones released from the adrenal gland when an individual is under stress.
- Conditions
- Glucose Homeostasis, Protein Metabolism, Lipid Metabolism, Respiratory Function
- Trial name
- NCT01143493
- Where
- United States
- Volunteers
- 278 people, healthy volunteers welcome
- Sponsor
- National Institute of Environmental Health Sciences (NIEHS)
Development, Child
The Relationship Between VDR Gene Polymorphism and Children's Physical and Intellectual Development
This study was used to determine the relationship between vitamin D receptor gene polymorphism and children's physical and intellectual development, further adjust the doses of vitamin D supplementation after birth, and provide…
- Trial name
- RVDRGPCPID (NCT03742310)
- Testing
- Vitamin D
- Where
- China
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- First Affiliated Hospital Xi'an Jiaotong University
Healthy
The Impact of Genotype on Pharmacokinetics and Antiplatelet Effects of Ticagrelor in Healthy Chinese
This study is a open and single center clinical trial in healthy Chinese.The objective of the study is to clarify the pharmacokinetics characteristics and antiplatelet effects of ticagrelor in Chinese and to investigate the…
- Trial name
- IGPPT (NCT03092076)
- Testing
- Ticagrelor
- Volunteers
- 51 people, healthy volunteers welcome
- Sponsor
- Guangdong Provincial People's Hospital
Healthy
Genetic Polymorphisms Affecting Effect of High Intensity Training
The objective of the study is to investigate the effect of high intensity training on maximal oxygen uptake according to the genetic polymorphisms in healthy Korean volunteers.
- Trial name
- NCT02241850
- Testing
- High intensity training
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- Kyunghee University Medical Center
Recurrent Miscarriage
The Role of Prothrombin Gene and Methylenetetrahydrofolate Reductase(MTHFR) Gene Polymorphisms as Risk Factors for Recurrent Miscarriage
Recurrent miscarriage is a pregnancy loss before 20 weeks of gestation. The recurrent pregnancy loss(RPL) usually occurring in the first trimester of gestation and its rate is quite high (15-20% even in full reproductive period)…
- Trial name
- NCT03209063
- Testing
- polymerase chain reaction
- Volunteers
- 285 people, healthy volunteers welcome
- Sponsor
- Assiut University
Infertility
Study of Gene Associations and Infertility
The purpose of this this study is to use DNA screening strategies to identify genes and localize genomic regions that are differentially expressed in patients with infertility to further understand the genetic basis for…
- Trial name
- NCT01223092
- Where
- United States
- Volunteers
- 5,000 people, healthy volunteers welcome
- Sponsor
- Reproductive Medicine Associates of New Jersey
Exercise, Angiotensin-Converting Enzyme Inhibitors
Impact of Angiotensin Converting Enzyme Activity on Exercise Training Sensitivity
The phenotype based on the insertion/deletion (I/D) polymorphism of the human angiotensin converting enzyme (ACE) gene has been associated with individual training response.
- Trial name
- NCT03949075
- Testing
- Enalapril
- Where
- Denmark
- Volunteers
- 52 people, healthy volunteers welcome
- Sponsor
- University of Copenhagen
Healthy, Pulmonary Fibrosis
Identification of Genes Associated With Lung Disease in Patients With Rheumatoid Arthritis
Pulmonary fibrosis (PF) is a condition in which the lungs of a patient become scarred and fibrous. It has been known to occur in as many as 40% of patients diagnosed with rheumatoid arthritis (RA).
- Conditions
- Healthy, Pulmonary Fibrosis, Rheumatoid Arthritis
- Trial name
- NCT00001885
- Where
- United States
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
T2DM (Type 2 Diabetes Mellitus)
PRKAA2 Genetic Polymorphisms and Its Susceptibility to Chinese Type 2 Diabetes Mellitus and Diabetic Nephropathy
Metformin is a classical oral antidiabetic drug, often recommended to be the first-choice treatment of type 2 diabetes mellitus (T2DM).
- Trial name
- NCT03155087
- Testing
- Metformin
- Volunteers
- 750 people, healthy volunteers welcome
- Sponsor
- People's Hospital of Zhengzhou University
Rheumatoid Arthritis
The Genetic and the Functional Study of DNA Repair System and the Susceptibility to Rheumatoid Arthritis
This study is valuable for the understanding the role of DNA repair system plays in the progression of rheumatoid arthritis and for the development of new therapeutic modality in the future.
- Trial name
- NCT01285336
- Where
- Taiwan
- Volunteers
- healthy volunteers welcome
- Sponsor
- China Medical University Hospital
ASD, Autism Spectrum Disorder
The Effects of Tailored Judo Training and Nutritional Counseling on Physical Fitness and Body Composition in Children With Autism: A Study Including Blood Morphology and Genetic Analysis
The present research project aims to testing adapted judo training as a form of supportive developmental therapy, combined with nutritional counseling, to influence physical fitness, dietary habits, body composition, body…
- Conditions
- ASD, Autism Spectrum Disorder, Autism Spectrum Disorder High-Functioning, Autism Spectrum
- Trial name
- AdaptedJudoASD (NCT07442994)
- Testing
- Adapted judo training for children and adeloscence with and without autism spectrum disorder - training in integrated groups
- Where
- Poland
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Poznan University of Physical Education
Primary Open Angle Glaucoma (POAG)
Association Between Matrix Metalloproteinase-9 Gene Polymorphism and Susceptibility to Primary Open Angle Glaucoma Patients in Sohag University Hospital
The goal of this observational study is to investigate the potential association between MMP-9 gene polymorphism and susceptibility to Primary Open Angle Glaucoma development in Egyptian patients The main question it aims to
- Trial name
- NCT07119905
- Testing
- genotyping assay by polymerase chain reaction
- Where
- Egypt
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Sohag University
High Caries Risk, Low Caries Risk
TAS1R1, TAS1R3, TLR2, TLR4, CA6 Gene Polymorphism on Dental Caries
The aim of this study is to examine the effects of TAS1R1, TAS1R3, TLR2, TLR4, CA6, gene polymorphism on caries risk in adults.
- Trial name
- NCT04066101
- Testing
- high caries risk, caries activity
- Where
- Turkey (Türkiye)
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Recep Tayyip Erdogan University Training and Research Hospital
Breast Cancer
Role of Cytochrome P450 2D6 (CYP2D6) *4 Polymorphism,in Malignant Breast Diseases
The aim of our study is to investigate the potential role of the CYP2D6*4 polymorphism in breast cancer and furthermore to assess the role of oxidative stress, antioxidant capacity and ferretin in pathogenesis of breast cancer in…
- Trial name
- NCT00539422
- Testing
- pcr and serum markers for breast cancer
- Where
- Egypt
- Volunteers
- healthy volunteers welcome
- Sponsor
- Mansoura University
Pulpitis - Irreversible
Single Gene Polymorphism and the Success Rate of Inferior Alveolar Nerve Block
The inferior alveolar nerve block (IANB) is one of the most commonly used techniques in dentistry to achieve mandibular anesthesia during endodontic treatment.
- Trial name
- SNP&IANB (NCT07012382)
- Testing
- Inferior Alveolar Nerve Block, Inferior-Alveolar-Nerve-Block
- Where
- India
- Volunteers
- 320 people, healthy volunteers welcome
- Sponsor
- Jamia Millia Islamia
Single-nucleotide Polymorphism (SNP) for Glaucoma
Investigation of Genetic Disease Marker Associated With Korean Glaucoma Patients
A single-nucleotide polymorphism (SNP) analysis of DNA obtained from peripheral blood of the glaucoma patients and the normal control will be performed to find genetic marker for primary open angle glaucoma.
- Trial name
- NCT01025024
- Testing
- SNP analysis of the DNA
- Where
- South Korea
- Volunteers
- 1,224 people, healthy volunteers welcome
- Sponsor
- Chungnam National University
HIV-1 Seropositive, Inflammation
Study of the Effect of SNPs in p53 and p53 Response Elements on the Inflammatory Response to DNA Damage
Background: Research has shown that certain proteins in cells may be linked to higher risks of developing inflammations, tumors, and other medical problems.
- Conditions
- HIV-1 Seropositive, Inflammation, Cancer, Cardiomyopathy
- Trial name
- NCT01143519
- Where
- United States
- Volunteers
- 178 people, healthy volunteers welcome
- Sponsor
- National Institute of Environmental Health Sciences (NIEHS)
Polymorphism (Genetics), Endometriosis
Influence of WNT4 VEZT FSHB and SIRT1 SNPs in Endometriosis: a Case Control Study of the Sardinian Population
Endometriosis, defined as the presence of endometrial tissue outside the uterine cavity, affects 6-10% of the general population of women in childbearing age. The pathogenesis of the disease is unknown.
- Trial name
- NCT02388854
- Testing
- SNPs analysis with Sanger sequencing
- Where
- Italy
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- University of Cagliari
Gene Abnormality, Asthma
B2 Adrenergic Receptor Gene Polymorphism in Bronchial Asthma
The b2-adrenoceptor (b2AR) mediates the physiological responses in the airway, which include bronchodilation, bronchoprotection.
- Trial name
- polymorphism (NCT03118869)
- Where
- Egypt
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Assiut University