Clinical trials: Genetic Polymorphism
Healthy
Influence of CYP2C19 Genetic Variants on Clopidogrel in Healthy Subjects
To test pharmacodynamic response to clopidogrel 150mg once daily during 7 days in healthy subjects carriers of a mutated allele (*2) associated with CYP2C19 deficiency and non responders to the usual regimen of 75 mg once daily
- Trial name
- NCT00413608
- Testing
- Clopidogrel
- Where
- France
- Volunteers
- 140 people, healthy volunteers welcome
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Healthy Subjects, Heme Oxygenase
Effects of Heme Arginate in Healthy Male Subjects
Heme oxygenase 1 (HO-1) serves as a protective gene. It has been shown that one factor modulating HO-1 activity is a genetic variation in the HO-1 gene (functional GT length polymorphism in the promotor region).
- Conditions
- Healthy Subjects, Heme Oxygenase, Genetic Polymorphism
- Trial name
- HEMAHS (NCT00682370)
- Testing
- saline solution, heme arginate
- Where
- Austria
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Daniel Doberer
Rheumatoid Arthritis, Systemic Lupus Erythematosus
Decoy Receptor 3 (DcR3) Polymorphisms in Rheumatoid Arthritis (RA) and Systemic Lupus Erythematosus (SLE)
Although SLE and RA are correlated with genetic predisposing factors such as human leukocyte antigen (HLA) class II, both diseases and other genetic factors might have contributed to the development of dysregulated lymphocyte…
- Trial name
- NCT00172666
- Where
- Taiwan
- Volunteers
- 450 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
Hemangioma
A Study of CCCTC-binding Factor (CTCF) in Infantile Hemangiomas
The purpose of this study is to evaluate the genotype of CTCF, a proven transcription factor, in patients with infantile hemangiomas and to monitor tumor growth.
- Trial name
- NCT00974129
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Yale University
Tuberculosis, Drug-Induced Liver Injury
A Pharamcogenomic Study for Isoniazid According to NAT2 Polymorphism Status
A clinical trial to investigate the appropriate dose of isoniazid according to NAT2 polymorphism status in Korean subjects
- Conditions
- Tuberculosis, Drug-Induced Liver Injury, Adverse Drug Event
- Trial name
- NCT03665402
- Testing
- Isoniazid
- Where
- South Korea
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Seoul National University Hospital
Glaucoma
Polymorphisms in the Human Matrix Metalloproteinase Genes MMP1, MMP3, and MMP9: Genetic Risk Factors of Primary Open Angle Glaucoma?
Matrix metalloproteinases (MMPs) fulfill diverse important molecular functions and play pivotal roles in development, tissue morphogenesis, repair, aging, and inflammatory processes.
- Trial name
- NCT00312403
- Testing
- Blood Sample
- Where
- Austria
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Healthy
Risk of CYP2C19 Phenoconversion in Healthy Volunteers With Rapid, Normal, and Intermediate Predicted Metabolizers' Status
CYP2C19 is responsible for the metabolism of approximately 10% of drugs currently on the market, including several proton pump inhibitors, clopidogrel, benzodiazepines and some tricyclic antidepressants, including amitriptyline.
- Trial name
- Switch19 (NCT05264142)
- Testing
- Voriconazole 200mg, FluvoxaMINE 50 Mg Oral Tablet, Omeprazole 10 MG Oral Tablet
- Where
- Switzerland
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- University Hospital, Geneva
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
Genetic Differences of Lipid Metabolism/Healthy Subjects
Botanical Oils Study to Determine Genetic Differences in the Way Your Body Processes Fats in Edible Oils
A randomized, controlled, cross-over clinical trial of borage oil vs soybean oil to determine whether the metabolism and/or impact of medium chain-polyunsaturated fatty acids (MC-PUFAs) in botanical oil supplements are changed in…
- Trial name
- NCT02337231
- Testing
- soybean oil and borage oil
- Where
- United States
- Volunteers
- 66 people, healthy volunteers welcome
- Sponsor
- Wake Forest University Health Sciences
Alcohol Related Disorders, Alcoholism
Pharmacokinetic Study of Single Dose Dutasteride in Healthy Subjects
To monitor the inhibition of 5a-reductase (5AR) enzyme activity at 1, 3, 7, 14, 21, 28 and 42 days following administration of a single dose of dutasteride (2, 3, or 4 mg) by measuring the change in blood levels of…
- Conditions
- Alcohol Related Disorders, Alcoholism, Alcohol Abuse
- Trial name
- NCT00802321
- Testing
- Dutasteride
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- UConn Health
CYP2C19 Polymorphism, H.Pylori Infection
Effect of the CYP2C19 Polymorphism in Helicobacter Pylori Eradication
Background: Triple therapy efficacy against Helicobacter pylori is low worldwide, thus alternatives must be sought to improve eradication. Aim: To determine CYP2C19 genetic polymorphism effect on H. pylori eradication.
- Conditions
- CYP2C19 Polymorphism, H.Pylori Infection, Therapy
- Trial name
- NCT03650543
- Testing
- amoxicillin clarithromycin omeprazole 1, amoxicillin clarithromycin omeprazole 2
- Volunteers
- 133 people, healthy volunteers welcome
- Sponsor
- Javeriana University
Psychotic Disorders, Depressive Disorder
Genetics of Symptomatology and Treatment Response in Psychotic Major Depression
We hope to learn more about the biology of psychiatric illness with the hope of improving the diagnosis and treatment of such psychiatric conditions as major depression.
- Conditions
- Psychotic Disorders, Depressive Disorder, Depressive Disorder, Major
- Trial name
- NCT00691535
- Where
- United States
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- Stanford University
Prediabetes, Diabetes Type 1
An Exploratory Clinical Trial to Generate Whole Blood Samples for Analysing Genetic Polymorphisms
G (guanine nucleotide binding) proteins associating with G protein-coupled receptors (GPCR) are key players in the pathogenesis of obesity and diabetes and are targets of pharmacotherapeutic inter-ventions.
- Conditions
- Prediabetes, Diabetes Type 1, Diabetes Type 2
- Trial name
- NCT02057497
- Volunteers
- healthy volunteers welcome
- Sponsor
- Profil Institut für Stoffwechselforschung GmbH
Periodontitis, Polymorphism, Restriction Fragment Length
Vitamin D Receptor, Interleukin-1A and Interleukin-1B Gene Polymorphisms in Periodontitis
Background: The aim of the study is to find out the prevelance of VDR (rs731236), IL1B (rs1143634) and IL1A (rs1800587)gene polymorphisms in Turkish population and their association with stage III grade B / C periodontitis.
- Trial name
- NCT04806971
- Where
- 2 sites in Turkey (Türkiye)
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Marmara University
Pharmacogenetics
Naproxen Pharmacogenetic Study (Project 1, Aim 2)
This is a mechanism-based study in healthy adults to determine the effect of the CYP2C9 M1L gene polymorphism on the functional activity of the encoded CYP2C9 enzyme towards the probe substrate naproxen.
- Trial name
- NCT04449471
- Testing
- Naproxen tablet
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Washington
Sexual Dysfunction
Trazodone for SSRI-sexual Dsyfunction
The aim of this study is to investigate the efficacy of trazodone in the treatment of selective serotonin reuptake inhibitor(s) associated sexual dysfunction.
- Trial name
- T-SSRI-SD (NCT01097980)
- Testing
- Trazodone
- Where
- Taiwan
- Volunteers
- 56 people, healthy volunteers welcome
- Sponsor
- Beitou Armed Forces Hospital, Taipei, Taiwan
Caffeine
Genetic Determinants of Cardiovascular Response to Coffee Drinking
Cardiovascular and neuropsychologic effects of coffee are still debated. The precise mechanism underlying the actions of caffeine on the cardiovascular and neuropsychologic systems is incompletely understood and a considerable…
- Trial name
- NCT01330680
- Testing
- Coffee, Decaffeinated coffee
- Where
- Italy
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- G. d'Annunzio University
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
Periodontitis, End-stage Renal Disease
The Role of Toll-like Receptor-4 in Periodontitis Patients With End-stage Renal Disease in a Sample of Egyptian Population
Chronic kidney disease (CKD) is a significant public health issue in Egypt, leading to end-stage renal disease (ESRD). ESRD patients often suffer from oral abnormalities due to the disease and medications.
- Trial name
- NCT06755372
- Where
- Egypt
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Ain Shams University
Allergic Asthma, Asthma
Gender Differences and SNPs in Asthmatic Patients
The GINA 2020 guidelines suggest that asthma affects approximately 300 million persons worldwide. Even if there is a specific drug treatment for each stage of disease (From mild to severe) in some patients it is not efficacy and…
- Trial name
- NCT04567212
- Testing
- genetic evaluation, MicroRNA evaluation
- Where
- 2 sites in Italy
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of Catanzaro