Clinical trials: Genetic Polymorphism
Peri-Implantitis
Analysis of Genetic Variations in Patients With Peri-implantitis
The primary objective of this study is to evaluate interleukin-1(IL-1) gene group polymorphisms in patients with peri-implantitis and to compare them with patients with peri-implant health (control group), taking into account…
- Trial name
- NCT04807725
- Testing
- Analysis of genetic polymorphisms, Biochemical analysis
- Where
- Portugal
- Volunteers
- 88 people, healthy volunteers welcome
- Sponsor
- Egas Moniz - Cooperativa de Ensino Superior, CRL
Ventricular Arrythmia
China Inherited Ventricular Arrhythmias Registry
This is an observational, prospective, multi-center registry, aiming at building a risk stratification for malignant inherited ventricular arrhythmias, including Brugada syndrome(Brs)、Long QT syndrome(LQTS)、Short QT…
- Trial name
- NCT03880708
- Where
- China
- Volunteers
- 500 people
- Sponsor
- China National Center for Cardiovascular Diseases
Autism Spectrum Disorders
Susceptibility Genes in Autism Spectrum Disorders
The main objective of the study is to define, for Autism Spectrum Disorder, the extent of genetic variation in synaptic pathways that may be targeted for therapeutic development.
- Trial name
- NCT02628808
- Where
- 5 sites in France
- Volunteers
- 1,616 people, healthy volunteers welcome
- Sponsor
- Institut National de la Santé Et de la Recherche Médicale, France
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
Epilepsy
Association of Brain Derived Neurotrophic Factor (BDNF) rs6265 Gene Polymorphism With Susceptibility to Epilepsy
Epilepsy is a common neurological condition that affects people of all ages.Recent studies found that epilepsy is associated with several chromosomal regions, where mutations in these regions cause neurological dysfunction.
- Trial name
- NCT05096871
- Testing
- Genotyping by Real Time PCR
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Sohag University
Bipolar Disorder
Effect of Esterogen Receptor Modulator on Gene in Bipolar Diseas
1. Identify randomized controlled trials of tamoxifen (Estrogen Receptor modulator) in in addition to traditional treatment of bipolar disorder and synthesize the results using meta-analysis. 2.
- Trial name
- NCT06580535
- Testing
- blood sample
- Volunteers
- 100 people
- Sponsor
- Assiut University
Premature Birth
Three Interacting Single Nucleotide Polymorphisms (SNPs) and the Risk of Preterm Birth in Black Families
A multilocus interaction of three pro-inflammatory cytokine single nucleotide polymorphisms (SNPs), -3448 Tumor Necrosis Factor-α, -7227 Interleukin 6, and 33314 Interleukin 6R was reported by Menon and associates in 2006.
- Trial name
- NCT00675753
- Testing
- Blood spot specimens will be drawn
- Where
- 2 sites in United States
- Volunteers
- 258 people, healthy volunteers welcome
- Sponsor
- University of Miami
Children With a Deficiency of Alpha-1 Antitrypsin
Polygen Defi-Alpha: Genetic Polymorphisms Study in Children With Alpha-1 Antitrypsin Deficiency, Included in the DEFI-ALPHA Cohort
The deficiency of alpha-1 antitrypsin (DA1AT) is a genetic disorder of variable clinical expression, initially described in adults with pulmonary emphysema patients.
- Trial name
- Polygen (NCT01862211)
- Testing
- blood sampling
- Where
- 20 sites in France
- Volunteers
- 296 people
- Sponsor
- Hospices Civils de Lyon
Breast Cancer, Healthy
Susceptibility to Breast Cancer
This study will explore whether different forms, or variants, of genes are related to a person s risk of developing breast cancer.
- Trial name
- NCT00004565
- Where
- United States
- Volunteers
- 737 people
- Sponsor
- National Cancer Institute (NCI)
Gastroenteritis, Acute Gastroenteritis
Glycan Attachment Specificity, Toward ROtavirus Vaccine IMprovement GASTROVIMc (Clinical Investigation)
The GASTROVIM research explores the links between individual genetic susceptibility, genetic variability of rotavirus strains and effectiveness of immunization with the rotavirus vaccination: a clinical investigation to assess…
- Trial name
- Gastrovimc (NCT02902445)
- Testing
- rotavirus rapid screen test, polymorphism exploration
- Where
- France
- Volunteers
- 611 people
- Sponsor
- Nantes University Hospital
Hepatitis C Virus Infection, Chronic Liver Disease
Genetic Polymorphisms of Interleukin-10 and TNF-α on Outcome of HCV-Related Chronic Liver Disease
The prognosis of chronic hepatitis C virus (HCV)infeciton varies from minimal progressive disease to cirrhosis or hepatocellular carcinoma. Host genetic factors contribute to disease severity.
- Trial name
- NCT00630006
- Testing
- TNF-alpha and IL-10
- Where
- 3 sites in Taiwan
- Volunteers
- healthy volunteers welcome
- Sponsor
- Kaohsiung Medical University Chung-Ho Memorial Hospital
Invasive Fungal Infections
Voriconazole Blood Level and Liver Metabolizing Enzyme in Taiwanese Patients
Voriconazole is an effective antifungal agent and may decrease morbidity and mortality for patients with invasive fungal infections. It is metabolized via liver enzymes.
- Trial name
- NCT00745992
- Testing
- Blood drawn (lab data)
- Where
- Taiwan
- Volunteers
- 200 people
- Sponsor
- National Taiwan University Hospital
Covid19
IL- 6 Gene (174G/C) Single Nucleotide Polymorphism as an Indicator of COVID-19 Severity in Egyptian Patients
Although the direct damage from the viruses contributes to the initiation of the disease, the cytokine storm caused by COVID-19 plays a vital role in the development of acute lung injury and adult respiratory distress syndrome.
- Trial name
- NCT04544033
- Testing
- interleuken 6 level measurment, Interleukin-6 Gene-174C detection
- Where
- Egypt
- Volunteers
- 120 people
- Sponsor
- Tanta University
Atherosclerosis
Genetic Factors in Atherosclerosis
The purpose of this study is to identify genes associated with certain risk factors for atherosclerosis (hardening of the arteries) and its consequences, such as development of coronary artery disease, heart attack, other blood…
- Trial name
- NCT00359307
- Where
- United States
- Volunteers
- 1,888 people
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Attention Deficit Hyperactivity Disorder
Methylphenidate Treatment Response Study of Genetic Polymorphism in Attention Deficit Hyperactivity Disorder(ADHD)
The purpose of this study is to determine whether norepinephrine gene polymorphism affect to treatment response in ADHD
- Trial name
- NCT00862108
- Testing
- Methylphenidate
- Where
- South Korea
- Volunteers
- 50 people
- Sponsor
- Seoul National University Hospital
Delayed Puberty
Delayed Puberty in Boys; Clinical and Biochemical Characteristics and Effect of Testosterone Treatment
To evaluate the phenotype and biochemical characteristics of boys referred for delayed puberty, to describe the frequency of associated co-morbidities and diseases, to evaluate the diagnostic criteria and the effect of…
- Trial name
- NCT02034487
- Testing
- retrospective data collection
- Where
- Denmark
- Volunteers
- 451 people
- Sponsor
- Copenhagen University Hospital, Rigshospitalet
Neurodegenerative Diseases, Dementia
Resource Use and Disease Course in Dementia (REDIC)
This project is based on a three-year program that aims to improve the knowledge of the socioeconomic consequences of dementia in Norway.
- Trial name
- REDIC (NCT01920100)
- Where
- 3 sites in Norway
- Volunteers
- 696 people, healthy volunteers welcome
- Sponsor
- Sykehuset Innlandet HF
Self Injurious Behavior Without Suicidal Intent, Self-Injurious Behavior
Genetics of Self-injurious Behaviour
Nonsuicidal Self-Injury (NSSI) is being increasingly regarded as a separate psychiatric disorder. Since the latest Diagnostic and Statistical Manual of Mental Disorders - DSM-5 from 2013 defined NSSI as a separate diagnosis under…
- Trial name
- NCT05563324
- Testing
- DNA extraction and genotyping of candidate genetic polymorphisms, self-assessment questionnaires
- Volunteers
- 234 people, healthy volunteers welcome
- Sponsor
- University Medical Centre Maribor
Genetic Blood Group (bg) Polymorphism in U Negativity and St(a) of MNSs
Whole Genome Sequencing for Blood Group Genotyping and Definition as Exemplified on U- and St(a)+.
No health condition(s) are studied. Genetic background of blood groups is studied. U- and Stones(a)+ ("Caucasian type") are used as proof-of-principle samples.
- Trial name
- Blood Genome (NCT02534519)
- Testing
- Whole Genome Sequencing (WGS)
- Where
- Switzerland
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- Blood Donation Service Zurich, SRC
Congenital Heart Disease
Influence of Genetic Polymorphisms on Ventricular Structure and Function in Patients With Single Ventricle Anatomy
There are many kids born with congenital heart disease. Some of these defects may lead to the formation of a single ventricle (the heart having only one pumping chamber).
- Trial name
- NCT00165984
- Where
- United States
- Volunteers
- 224 people
- Sponsor
- Emory University