Clinical trials: Genetic Polymorphism
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
Immune Thrombocytopenic Purpura
" Effect of Single-nucleotide Polymorphism of CD40 Gene rs1883832 C/T on the Risk of Immune Thrombocytopenic Purpura "
Immune thrombocytopenia is an acquired autoimmune disease, in which platelets are opsonized by auto-antibodies and destroyed by phagocytic cells .Genetic polymorphisms in the immune mediators have been suggested to play a pivotal…
- Trial name
- NCT05585944
- Testing
- Genotyping of rs1883832C/T related single-nucleotide polymorphism
- Where
- Egypt
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Sohag University
Cystic Fibrosis, Pulmonary Fibrosis
Role of Genetic Factors in the Development of Lung Disease
This study is designed to evaluate the genetics involved in the development of lung disease by surveying genes involved in the process of breathing and examining the genes in lung cells of patients with lung disease.
- Conditions
- Cystic Fibrosis, Pulmonary Fibrosis, Tuberous Sclerosis, Asthma
- Trial name
- NCT00001532
- Where
- 2 sites in United States
- Volunteers
- 3,500 people, healthy volunteers welcome
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Nephrotic Syndrome
Angiotensin Converting Enzyme Gene Polymorphism in Children With Idiopathic Nephrotic Syndrome
Aims This study was conducted to examine the association between the ACE insertion/deletion (I/D) genotype distribution in children with idiopathic nephrotic syndrome and the response to steroid therapy.
- Trial name
- NCT00172276
- Sponsor
- National Taiwan University Hospital
Pain
Post-surgical Pain Assessment in Children: Roles of Skin Conductance and Genomics
Pain assessment in infants and toddlers is quite challenging since children in these populations are nonverbal or preverbal and cannot describe the presence and severity of pain that they perceive.
- Trial name
- NCT02534168
- Testing
- Skin conductance monitor for measuring skin conductance
- Where
- United States
- Volunteers
- 162 people
- Sponsor
- Milton S. Hershey Medical Center
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
Depression
Childhood Adversity, Genetic Polymorphisms and Stress in First Onset Major Depression
The Blue Sky Project, a 5-year study funded by the Canadian Institutes of Health Research, seeks to examine how genetics and early life experiences work together to cause a person's very first onset of depression by increasing…
- Trial name
- NCT00517764
- Testing
- escitalopram
- Where
- 2 sites in Canada
- Volunteers
- 299 people, healthy volunteers welcome
- Sponsor
- Centre for Addiction and Mental Health
Red Man Syndrome
Vancomycin Associated Red Man Syndrome (RMS)
This study proposes to identify patients who developed RMS with vancomycin infusion, and determine presence or absence of variant alleles involved in histamine biotransformation.
- Trial name
- NCT00824122
- Where
- United States
- Volunteers
- 544 people
- Sponsor
- Children's Mercy Hospital Kansas City
Acne Vulgaris
Polymorphism of Extrapituitary Promoter of PRL Gene and Relationships With Serum Prolactin Levels in Acne Vulgaris.
Acne vulgaris is one of the most common skin diseases. It is a disease of the pilosebaceous units, clinically characterized by seborrhea, comedones, papules, pustules, nodules and, in some cases, scarring.
- Trial name
- NCT03186222
- Testing
- blood sample
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Assiut University
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
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
Stroke, Dysphagia
Role of Genetic Polymorphism in Neuroplasticity Involved in Dysphagia Recovery
The purpose of this study is to assess the association of genetic polymorphism such as the Brain-derived Neurotrophic factor (BDNF), in neurogenic dysphagia in those with brain lesion.
- Trial name
- NCT03577444
- Where
- 2 sites in South Korea
- Volunteers
- 220 people
- Sponsor
- The Catholic University of Korea
Stuttering
Genetic Factors Related to Stuttering
Stuttering is an abnormality in speech that affects the rhythm of speech. People who stutter know what they wish to say, but at the time are unable to say it because of involuntary repetition, unnecessary lengthening…
- Trial name
- NCT00001602
- Where
- United States
- Volunteers
- 500 people
- Sponsor
- National Institute on Deafness and Other Communication Disorders (NIDCD)
Rheumatoid Arthritis, Periodontitis
Study of the Causal Link Between Rheumatoid Arthritis and Periodontitis Using Mendelian Randomization
This study aims to investigate the causal relationship between rheumatoid arthritis and periodontitis using Mendelian randomization.
- Trial name
- RAPD-MR (NCT06603207)
- Volunteers
- 220,000 people
- Sponsor
- Zhibin Xu
Bronchiolitis
Genetic Influences of Albuterol Response In Children With Bronchiolitis
Bronchiolitis is a significant cause of morbidity and hospitalization in children, accounting for approximately 125,000 hospitalizations per year in the U.S.
- Trial name
- NCT00570297
- Where
- United States
- Volunteers
- 54 people
- Sponsor
- Connecticut Children's Medical Center
Childhood Onset Obesity
GENYAL Study to Childhood Obesity Prevention
Obesity is a multifactorial, complex, chronic disease of special concern. It is originated as an interaction between genetic predisposition and environmental factors.
- Trial name
- NCT03419520
- Testing
- Nutritional counseling
- Where
- Spain
- Volunteers
- 221 people, healthy volunteers welcome
- Sponsor
- IMDEA Food
Atopy, Allergic Disease
Use Cord Blood Single Nucleotide Polymorphism to Predict the Later Development of Atopy and Allergy
The aim of our study was firstly to detect in cord bloods the polymorphism of genes related to atopy and allergic diseases and to examine their mutual interaction and their associations with cord blood IgE and cytokines.
- Trial name
- NCT00444327
- Where
- 2 sites in Taiwan
- Volunteers
- 900 people, healthy volunteers welcome
- Sponsor
- Min-Sheng General Hospital
Diabetes Mellitus
Association Study of Genetic Polymorphisms of Candidate Genes With Thiazolidinedione-Related Peripheral Edema and Drug Responsiveness
According to the above evidence, though the exact mechanism contributing to the Thiazolidinediones (TZDs) associated peripheral edema is still unclear, the investigators hypothesize that the genetic variations of certain…
- Trial name
- NCT00975169
- Where
- Taiwan
- Volunteers
- 400 people
- Sponsor
- National Taiwan University Hospital
Aortic Dissection
The Relationship Between ALDH2 and Aortic Dissection
The purpose of this study is to evaluate the impact of ALDH2 Glu504Lys polymorphism on aortic dissection.
- Trial name
- RALAD (NCT02630212)
- Where
- China
- Volunteers
- 400 people
- Sponsor
- Qilu Hospital of Shandong University
Cancer
Chronic Graft-Versus-Host Disease in Patients Who Have Undergone Donor Stem Cell Transplant
RATIONALE: Studying samples of tissue from patients with cancer in the laboratory may help doctors learn more about changes that occur in DNA and identify biomarkers related to chronic graft-versus-host disease in patients who…
- Trial name
- NCT00957736
- Testing
- polymorphism analysis, laboratory biomarker analysis
- Where
- 3 sites in United States
- Volunteers
- 252 people
- Sponsor
- Vanderbilt-Ingram Cancer Center