Clinical trials: Gene Polymorphism
Peri-Implantitis
Peri-implantitis and MMP-8
Peri-implantitis is defined as the pathological condition around dental implants characterized by inflammation in the peri-implant mucosa and progressive bone loss, eventually leading to implant loss.
- Trial name
- NCT05711407
- Testing
- Gene Polymorphisms of MMP-8
- Where
- Greece
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Aristotle University Of Thessaloniki
Anovulation, Hyperandrogenism
Whole Genome Analysis for the Detection of Key Genes in the Polycystic Ovary Syndrome
Background: Infertility affects up to 15% of married couples. About half are attributable to female factors, among which anovulation is the leading cause.
- Conditions
- Anovulation, Hyperandrogenism, Polycystic Ovary Syndrome, Single Nucleotide Polymorphism
- Trial name
- NCT00665171
- Where
- Israel
- Volunteers
- 1,500 people, healthy volunteers welcome
- Sponsor
- Maaynei Hayesha Medical Center
Asthma
The Genetics of Severe Asthma in Children
Near fatal asthma exacerbations are one of the most common causes of critical illness in children, accounting for approximately ten thousand intensive care unit (ICU) admissions per year in the United States.
- Trial name
- NCT01238432
- Where
- United States
- Volunteers
- 193 people, healthy volunteers welcome
- Sponsor
- Connecticut Children's Medical Center
Non-small Cell Lung Cancer
Study on the Association of GSTP1 and Other Gene Polymorphisms With Platinum-induced Myelosuppression
This study intends to design a retrospective and prospective, cohort study to explore the association between genetic polymorphism of GSTP1 A313G rs1695 or others and adverse effects of platinum drugs, aiming to explore the risk…
- Trial name
- NCT06140082
- Testing
- GSTP1 A313G （AA）
- Volunteers
- 477 people
- Sponsor
- LI YAN
Neonatal Respiratory Distress Syndrome
Association of SCNN1A Single Nucleotide Polymorphisms With Neonatal Respiratory Distress Syndrome
Lung fluid absorption disorders are largely mediated by transepithelial Na+ reabsorption through alpha epithelial sodium channels (α-ENaCs) in alveolar epithelial cells.
- Trial name
- NCT02333669
- Testing
- no intervention
- Where
- China
- Volunteers
- 249 people, healthy volunteers welcome
- Sponsor
- Daping Hospital and the Research Institute of Surgery of the Third Military Medical University
Asthma
Genetic Susceptibility to Childhood Respiratory IIlness in Mexico City
We propose to add a collection of genetic material to a clinical trial of anti-oxidant supplementation for the amelioration of asthma in 7-12 year olds being conducted at a public pediatric hospital in Mexico City.
- Trial name
- NCT00339521
- Where
- Mexico
- Volunteers
- 2,362 people
- Sponsor
- National Institute of Environmental Health Sciences (NIEHS)
Leprosy, Mycobacterium Leprae Infection
Rab 32 Gene Polymorphisms as a Prognostic Factor in Leprosy Patients
Mycobacterium leprae is a slow-growing bacillus that causes leprosy. the infection may take two to ten years to incubate. While the exact mechanism of infection transmission is unknown, direct bacillus absorption through the…
- Trial name
- NCT06819449
- Testing
- Dapsone
- Where
- Egypt
- Volunteers
- 50 people
- Sponsor
- South Valley University
Parkinson's Disease
Genetic Polymorphism and Parkinson's Disease in Taiwanese
To observe and analyze the correlation between Single Nucleotide polymorphisms (SNPs) and the incidence of Parkinson's disease in Taiwanese.
- Trial name
- NCT01996878
- Where
- Taiwan
- Volunteers
- 334 people, healthy volunteers welcome
- Sponsor
- Changhua Christian Hospital
CYP2D6 Polymorphism
A Study to Evaluate Exemestane Tablets Combined With Ovarian Function Suppression/Ablation in Treatment of Premenopausal Breast Cancer Patients With CYP2D6*10 Mutations （STEP）
This is a multicenter, randomized, open-label, parallel, active-controlled superiority clinical study conducted in early premenopausal estrogen-receptor positive breast cancer patients with CYP2D6*10 mutations.
- Trial name
- STEP (NCT03137368)
- Testing
- Exemestane Tablets, ovarian function suppression/ablation, CYP2D6*10 gene test
- Where
- China
- Volunteers
- 300 people
- Sponsor
- Cancer Institute and Hospital, Chinese Academy of Medical Sciences
Developmental Delays
The Relationship Between Arsenic Methylation Capability and Blood Metals in Children With Developmental Delays
The purpose of this study is to explore the relationship between arsenic methylation and blood metals in children with developmental delays and its correlation with health related quality of life.
- Trial name
- NCT02523989
- Testing
- study group
- Where
- Taiwan
- Volunteers
- 137 people, healthy volunteers welcome
- Sponsor
- Taipei Medical University
Type 1 Diabetes Mellitus
The Role of FTO Gene Polymorphism and Insulin Preparation in Obesity in Children With Type 1 Diabetes Mellitus
The project aims at assessment of the effect of the FTO gene polymorphism and the type of treatment on the development of overweight/obesity and features of metabolic syndrome in children with type 1 diabetes.
- Trial name
- FTO_T1DM (NCT01279161)
- Where
- 6 sites in Poland
- Volunteers
- 2,000 people, healthy volunteers welcome
- Sponsor
- University of Bialystok
Cleft Lip and Cleft Palate
Detection of Single Nucleotide Polymorphism (SNP) Rs2235371 of IRF6 Gene in Egyptian Patients with Non-Syndromic Cleft Lip and Palate
The aim of this work is to study the relation between SNP rs2235371 of IRF 6 gene and Non-Syndromic Cleft Lip and Palate in Egyptian Patients in a prospective study
- Trial name
- NCT06730880
- Testing
- PCR
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Assiut University
Myasthenia Gravis, Ocular, Gene Polymorphism
Association Study Between VDR Gene Polymorphisms and Risk and Features of MG in Han Chinese Population
The Vitamin D receptor gene (VDR) polymorphisms are the candidate genetic variants for susceptibility to autoimmune diseases. In the present study, the investigators aimed to assess the association between VDR polymorphisms and…
- Trial name
- NCT05380128
- Testing
- Genotype analysis for VDR rs1544410, rs2228570, rs731236, and rs7975232 polymorphisms
- Where
- China
- Volunteers
- 297 people, healthy volunteers welcome
- Sponsor
- Beijing Tongren Hospital
Cytochrome P450 2D6 Ultra-rapid Metabolism
CYP2D6 Screening for Adverse Drug Reactions to Codeine in Breast Milk
The purpose of this study is to determine if non-invasive salivary genetic screening of breastfeeding mothers taking codeine will allow for the successful identification of mother-infant pairs susceptible to adverse events and to…
- Trial name
- NCT01050400
- Testing
- Cytochrome P450 2D6 (CYP2D6) genetic screening.
- Where
- Canada
- Volunteers
- 330 people, healthy volunteers welcome
- Sponsor
- London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's
Atherosclerosis, Cardiovascular Diseases
Understanding the Genetic and Hereditary Basis of Atherosclerosis
Atherosclerosis is a condition that occurs when fatty deposits build up along the inner walls of arteries. New strategies are needed to prevent and treat atherosclerosis.
- Trial name
- NCT00344292
- Where
- 4 sites in United States
- Volunteers
- 2,763 people
- Sponsor
- Wake Forest University Health Sciences
UGT1A1*28 Polymorphism
Identification of Polymorphisms Involved in the Metabolism of Propofol
Identification of Polymorphisms Involved in the Metabolism of Propofol
- Trial name
- NCT02271542
- Testing
- propofol
- Where
- Turkey (Türkiye)
- Volunteers
- 300 people
- Sponsor
- TC Erciyes University
Breastfeeding, Exclusive
Profile of Human Milk Oligosaccharides and FUT2 Polymorphism of Mothers in Indonesia
Human milk oligosaccharides (HMOs), the third most abundant constituent of breastmilk, are known to have beneficial effects on infant immunity. Maternal genetic polymorphisms cause HMO variability.
- Trial name
- NCT05156255
- Where
- Indonesia
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Universitas Indonesia
Blastocystis Infections
Molecular Characterization of Blastocystis Isolates From Human by Restriction Fragment Length Polymorphism (RFLP) Analysis
Blastocystis is an anaerobic unicellular protozoal parasite infecting the gastrointestinal tract of humans and a wide range of animals.
- Trial name
- NCT05580393
- Testing
- RFLP analysis of SSU rRNA
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Sohag University
Enterovirus 71, Host Genetics, Social, Behavior, Environmental Factors
Children's Susceptibility to Enterovirus 71 in Different Areas of Taiwan
EV71 has caused large epidemics with lots of fatal cases and cases with sequelae. However, the clinical syndromes and severity of the same EV71 strain are very diverse, ranging from asymptomatic (71%) to fatal (0.05%) disease…
- Trial name
- DMR100-IRB-010 (NCT01311921)
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- China Medical University Hospital
H. Pylori Infection
TLR 9 (rs352140) Gene Polymorphism in Helicobacter Pylori Infection
study aimed to identify the role of TLR9 (rs352140) gene in suppressing or promoting the inflammation related to H. pylori infection in children.This cross-sectional study was conducted on 50 children with positive H.
- Trial name
- NCT07289451
- Testing
- TLR TLR 9 (rs352140) gene polymorphism
- Where
- Egypt
- Volunteers
- 100 people
- Sponsor
- Benha University