Clinical trials: Polymorphism
Nutritional Physiological Phenomena
Gene Polymorphism of Taste Receptors and Circulating Endocannabinoids in Normal Weight and Obese Subjects
The study aims at evaluating in normal weight and obese subjects those factors such as taste sensitivity and circulating endocannabinoids in influencing dietary choice and thereby lipid and energy metabolism in order to design…
- Trial name
- NCT02729584
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- University of Cagliari
Opioid Dependence, Methadone Toxicity
KCNH2 Polymorphisms on the QTc Interval in Kelantanese Malays Patients Receiving Methadone Maintenance Therapy (MMT)
Methadone maintenance therapy (MMT) is one of the modalities to prevent HIV transmission among injected drug users, particularly in opioid-dependent users.
- Conditions
- Opioid Dependence, Methadone Toxicity, HERG Gene Mutation
- Trial name
- NCT03603158
- Where
- Malaysia
- Volunteers
- 111 people, healthy volunteers welcome
- Sponsor
- Universiti Sains Malaysia
Schizophrenia
Program for the Introduction Into Clinical Practice of the Principles of Personalized and Preventive Medicine Based on the Isolation of Gene Polymorphism in Schizophrenia in People of the Kazakh Ethnic Group
This is a GWAS study that aims to identify possible candidate genes associate to schizophrenia by exploring single nucleotide polymorphism (SNP) in a group of schizophrenia, in the Kazakh population.
- Trial name
- NCT05090644
- Testing
- DNA analysis
- Where
- Kazakhstan
- Volunteers
- 700 people, healthy volunteers welcome
- Sponsor
- Asfendiyarov Kazakh National Medical University
SLE, Rheumatoid Arthritis
Efferocytosis and Genomic Polymorphism in Autoimmune Diseases
Over the past few years, growing evidences revealed that clearance of apoptotic cells by phagocytosis can result in powerful anti-inflammatory and immunosuppressive effects.
- Conditions
- SLE, Rheumatoid Arthritis, Healthy Subjects
- Trial name
- NCT00364728
- Where
- Taiwan
- Volunteers
- 450 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
Androgenetic Alopecia
Association of Polymorphisms in the Androgen Receptor Gene and Finasteride Response in Women With Androgenetic Alopecia
Previous studies of finasteride treatment in women with hair loss have failed to show positive results, yet, some women have responded anecdotally.
- Trial name
- NCT01052870
- Testing
- Finasteride
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- HairDx, LLC
Reproductive Techniques, Assisted
Efficacy of Urinary Vs Recombinant FSH in Oocyte Donors Based on Receptor N680S FSH Gene Polymorphism (Genodon Trial)
Exploratory, prospective, randomized, comparative, open trial with control group treated to assess whether the effective use of urinary FSH (uFSH) or recombinant FSH (rFSH) can be influenced by genotype of receptor N680S FSH Gene…
- Trial name
- GENODON (NCT02625519)
- Testing
- Urinary follicle-stimulating hormone, Recombinant follicle-stimulating hormone
- Where
- Spain
- Volunteers
- 180 people, healthy volunteers welcome
- Sponsor
- Instituto Bernabeu
Alcohol Drinking, Depression
Effect of Ethanol and Genetic Polymorphisms on Bupropion Metabolism
The two purposes of this study are 1. to determine what effect the chronic and moderate/heavy drinking of alcoholic beverages has 1.
- Conditions
- Alcohol Drinking, Depression, Smoking Cessation, Attention Deficit Disorder
- Trial name
- NCT00330434
- Testing
- Trial Withdrawn 1, Trial Withdrawn 2
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Tufts University
Stomach Ulcer
Influence of CYP2C19 Polymorphism on PK/PD of Omeprazole
A clinical trial to investigate the influence of CYP2C19 polymorphism on pharmacokinetic/pharmacodynamic characteristics of omeprazole in healthy Korean volunteers
- Trial name
- NCT02299687
- Testing
- Omeprazole
- Where
- South Korea
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Seoul National University Hospital
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
Dental Caries Secondary to Polymorphisms, Polymorphisms in Enamel Encoding Genes
Polymorphisms in ENAM, AMBN, and KLK4 Contribute to DCS.
A Cross-Sectional Study aims to shed light on potential genetic determinants influencing dental caries susceptibility within this demographic and significantly understanding of genetic factors associated with dental caries…
- Trial name
- NCT06343766
- Testing
- DNA collation and genotyping
- Where
- Egypt
- Volunteers
- 204 people, healthy volunteers welcome
- Sponsor
- Amina Fouad Farag
Parkinson's Disease
Parkinson's Diseases Susceptibility Genes and Pesticides
Parkinson's disease (PD) occurrence is higher in rural than in urban populations of industrialized countries. Epidemiologic and human tissue studies suggest that pesticides may be responsible for causing dopaminergic cell death…
- Trial name
- NCT00044590
- Where
- United States
- Volunteers
- 1,870 people, healthy volunteers welcome
- Sponsor
- National Institute of Environmental Health Sciences (NIEHS)
Energy Metabolism
Erythrocyte Transport of Lactate During Exercise (TELE Project)
The goals of this clinical trial are: 1. to study lactate kinetic between plasma and erythrocytes during an intervallic exercise and its subsequent recovery, considering the blood pH, the genotype for the T1470A polymorphism of…
- Trial name
- TELE (NCT06104150)
- Testing
- Intervallic submaximal exercise test
- Where
- 2 sites in Spain
- Volunteers
- 84 people, healthy volunteers welcome
- Sponsor
- Technical University of Madrid
Alopecia Areata(AA)
Impact of NR3C1 rs41423247 (BclI) Polymorphism on Disease Severity in Alopecia Areata
Alopecia areata is an autoimmune, non-scarring hair loss disorder with multifactorial pathogenesis. The glucocorticoid receptor gene (NR3C1) plays an essential role in immune regulation and inflammatory response.
- Trial name
- NR3C1 and AA (NCT07455708)
- Where
- Egypt
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Benha University
High Blood Pressure
STUDY OF THE DOUBLE POLYMORPHISM (THR 555ILE) AND (GLU568PRO) OF THE CORIN GENE AS A RISK FACTOR FOR ARTERIAL HYPERTENSION IN A POPULATION OF AFRICAN DESCENT IN GUADELOUPE
Cardiovascular disease (CVD) mortality is the leading cause of death in high-income countries (particularly the United States), accounting for 23.1% of all deaths It has been established over several decades that hypertension…
- Trial name
- HTAG-CORIN (NCT07330804)
- Testing
- double polymorphism
- Where
- 2 sites in Guadeloupe
- Volunteers
- 370 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier Universitaire de la Guadeloupe
Polymorphism, Restriction Fragment Length, Obesity
Weight Loss and CLOCK 3111T/C Polymorphism
The goal of this observational study is to investigate the relationship of CLOCK 3111T/C (rs1801260) gene variant with nutritional habits, nutritional status, chronotype, sleep quality, some biochemical parameters in overweight…
- Trial name
- NCT05750732
- Testing
- Weight loss diet
- Where
- Turkey (Türkiye)
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- Hacettepe University
Healthy
LXRA Gene Polymorphisms and Response to Fenofibrate
This is a research study of how a cholesterol medication known as fenofibrate works differently in people with different genetic backgrounds.
- Trial name
- NCT00644592
- Testing
- Fenofibrate capsule daily for 4 weeks, Fenofibrate
- Where
- United States
- Volunteers
- 11 people, healthy volunteers welcome
- Sponsor
- University of Florida
Pulmonary Disease, Chronic Obstructive, Generalized Chronic Periodontitis
The Association of SERPINA1 Gene Disturbance in Patients With Lung and Gum Disorders
Chronic obstructive pulmonary disease and periodontitis are chronic inflammatory diseases. The study aims to determine if the genetic polymorphism of SERPINA1 gene in patients with COPD serve as a risk factor for developing…
- Trial name
- SA1PLG (NCT02498938)
- Testing
- SERPINA1 gene
- Where
- India
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Panineeya Mahavidyalaya Institute of Dental Sciences & Research Centre
Diabetes Mellitus, Healthy
Genetic Influence on Susceptibility to Type 1 Diabetes Mellitus
Type 1 diabetes mellitus is an autoimmune disease in which the body's immune cells attack the insulin-producing cells of the pancreas.
- Trial name
- NCT00001985
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
Hepatitis B, Carcinoma, Hepatocellular
Effect of Polymorphisms in the IL-1 Gene Complex on the Development of Chronic Hepatitis and Hepatocellular Carcinoma
The purpose of this study is to determine the effect of polymorphisms in the IL-1 gene complex on the development of chronic hepatitis and hepatocellular carcinoma.
- Conditions
- Hepatitis B, Carcinoma, Hepatocellular, Polymorphism, Genetic
- Trial name
- NCT00155103
- Where
- Taiwan
- Volunteers
- 1,600 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
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