Clinical trials: Gene Polymorphism
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
Rheumatoid Arthritis
Difference in GC-induced Adrenal Insufficiency in RA Related to Polymorphisms in the Glucocorticoid Receptor Gene
Development of glucocorticoid (GC)-induced adrenal insufficiency is a serious adverse effect of GC treatment. It is today not possible to predict this adverse effect.
- Trial name
- NCT01411046
- Testing
- Synacthen test
- Where
- Denmark
- Volunteers
- 106 people
- Sponsor
- Copenhagen University Hospital, Rigshospitalet
Human Immunodeficiency Virus Infection
Viral and Antiretroviral Dynamics in HIV-1 Mother-to-Child Transmission Fluids
More than 150,000 babies became infected with HIV in 2015 alone. When HIV drugs are started before or early in pregnancy, HIV positive women can give birth to HIV negative baby.
- Trial name
- VADICT (NCT03284645)
- Testing
- Tenofovir Disoproxil Fumarate (TDF) 300 mg + Lamivudine (3TC) 300 mg + Efavirenz (EFV) 600 mg, Abacavir (ABC) 600 mg + Lamivudine (3TC) 300 mg + Efavirenz (EFV) 600 mg, Zidovudine (AZT) 300 mg + Lamivudine (3TC) 150 mg twice daily + Efavirenz (EFV) 600 mg once daily
- Where
- 4 sites in Nigeria
- Volunteers
- 194 people
- Sponsor
- Obafemi Awolowo University
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
Pain, Chronic Pain
Observational Study Linking Genetic Variants With Clinical Outcomes in Pain Management
The purpose of this study is to (a) evaluate the treatment approaches and changes in treatment regimens utilized by clinicians when genetic testing is performed in the clinic; and (b) create a patient data registry to identify…
- Trial name
- TROJAN (NCT02480075)
- Testing
- Observational
- Where
- United States
- Volunteers
- 2,000 people
- Sponsor
- Proove Bioscience, Inc.
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
Post Operative Nausea and Vomiting
Association of 5-HT3 Receptor Gene Polymorphism With the Efficiency of Ondansetron for Postoperative Nausea and Vomiting
Postoperative nausea and vomiting (PONV) is a common and distressing complication in patients undergoing general anesthesia. However, although 5-hydroxytryptamine type 3 (5-HT3) receptor antagonists have significantly reduced…
- Trial name
- NCT01657786
- Testing
- administration of ondanstron and screening of genomic DNA
- Where
- South Korea
- Volunteers
- 198 people
- Sponsor
- Yonsei University
Colorectal Cancer, Non-Small Cell Lung Cancer
Single Nucleotide Polymorphism(SNP)Study. ICORG 08-40, V4
Primary Objective: Correlation of the skin and/or eye toxicity grade secondary to Cetuximab or Panitumumab and the SNP profile of the Epidermal Growth Factor Receptor (EGFR) domain III region.
- Trial name
- NCT01726309
- Where
- 10 sites in Ireland
- Volunteers
- 161 people
- Sponsor
- Cancer Trials Ireland
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
Cervical Artery Dissection, Stroke
Looking For Genetic and Environmental Risk Factors and Therapeutic Aspects in Cervical Artery Dissections
The main purpose of this study is to look for genetic and environmental risk factors of cervical artery dissections, a major cause of ischemic stroke in young adults, in a large multicenter case-control trial
- Conditions
- Cervical Artery Dissection, Stroke, Brain Infarction
- Trial name
- CADISP (NCT00657969)
- Where
- 24 sites in Argentina, Belgium and 7 more
- Volunteers
- 4,169 people
- Sponsor
- Cervical Artery Dissections and Ischemic Stroke Patients - Consortium
Thalassemia
Demographic, Clinical, Laboratory and Genetical Characteristics of Patients With Beta Thalassemia Intermedia
The definition of Thalassemia Intermedia is not generally accepted and the specific clinical and laboratory characteristics varies between patients.
- Trial name
- NCT01443312
- Testing
- Laboratory analysis.
- Where
- Israel
- Volunteers
- 28 people
- Sponsor
- HaEmek Medical Center, Israel
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
Invasive Candidiasis, Candidemia
Genetic Susceptibility Factors for Candidemia.
This is a prospective case-control physiopathological study, which main objective is to determine the genetic host factors predisposing to candidemia.
- Conditions
- Invasive Candidiasis, Candidemia, Genetic Predisposition to Disease
- Trial name
- NCT02841501
- Testing
- Analysis of genetic polymorphisms
- Where
- France
- Volunteers
- 453 people
- Sponsor
- University Hospital, Lille
Gastric Adenocarcinoma, Helicobacter Pylori
Prospective Gastric Cancer Screening Using Helicobacter Pylori High-Risk Single Nucleotide Polymorphism Detection
This is a prospective study designed to compare the performance of fecal H. pylori gastric cancer susceptibility analysis and the gastric cancer risk questionnaire for the early detection of gastric cancer.
- Trial name
- NCT06943781
- Testing
- Fecal Helicobacter pylori gastric cancer susceptibility gene test
- Where
- China
- Volunteers
- 15,000 people, healthy volunteers welcome
- Sponsor
- Fudan University
Vitamin D Status
Vit D Receptor Gene Polymorphism
The present cross-sectional observational study was conducted after the university ethical committee approved the research (NU/CEC/2020/0339). This study included 376 adults in the age group of 18-40Yrs.
- Trial name
- VITAMIN D GENE (NCT05931705)
- Testing
- questionnaire
- Where
- India
- Volunteers
- 376 people
- Sponsor
- Ajman University
Healthy
Determinants of Warfarin Metabolism
The anticoagulant effect of warfarin varies greatly among individuals. Some of this variability is attributed to differences in the activity of CYP2C9, the predominant enzyme involved in the metabolism of S-warfarin.
- Trial name
- NCT00162474
- Testing
- Warfarin, Phenytoin, Losartan & Hydrochlorothiazide
- Where
- Israel
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- Hadassah Medical Organization
Major Depression
Treatment-Resistant Depression, Hippocampus Atrophy and Serotonin Genetic Polymorphism
Reduction of volume of the hippocampus has been associated with major depression in many studies. It has been suggested that antidepressants may protect against hippocampus volume loss in humans associated with multiple episodes…
- Trial name
- NCT00704860
- Testing
- Open label pharmacotherapy
- Where
- Canada
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- University of Ottawa
CYP1A2 Polymorphism, Caffeine and Resistance Training
Caffeine, CYPA12 and Resistance Training
Introduction: Several studies have evaluated and confirmed the ergogenic effect of acute caffeine intake on sports performance, specifically on strength and power performance.
- Trial name
- NCT06610123
- Testing
- Caffeine and Resistance training
- Where
- Spain
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- University of Alcala
Pharmacokinetics
Pharmacokinetic and Pharmacodynamic Effects of Escitalopram Depending on Genetic Polymorphisms of the ABCB1-gene
The ABCB1-gene product P-glycoprotein is an integral membrane protein that actively transports substrates out of the intracellular compartment. One of the major sites of its action is the blood-brain-barrier.
- Trial name
- NCT00550485
- Testing
- escitalopram
- Where
- Germany
- Volunteers
- 79 people, healthy volunteers welcome
- Sponsor
- Max-Planck-Institute of Psychiatry