Clinical trials: Genetic Polymorphism
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
Gout, Hyperuricemia
Purine Metabolism Enzyme SNP to Uric Acid Production
Determine whether a relationship exists between polymorphisms of the genes XDH, HPRT1, and PRPS1 and gout, hyperuricemia, or the dose of xanthine oxidase (XO) inhibitors to reach a goal serum uric acid of less than 6 mg/dL.
- Trial name
- NCT01830725
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Keesler Air Force Base Medical Center
Obesity, Childhood, Asthma in Children
Asthma and Obesity Diet Versus Exercise
Obesity is recognized as a pro-inflammatory condition associated with multiple chronic diseases, including asthma. The specific mechanisms linking asthma and obesity remain hypothetical.
- Conditions
- Obesity, Childhood, Asthma in Children, Inflammatory Response, Metabolic Syndrome
- Trial name
- NCT03644355
- Testing
- Lifestyle counseling
- Where
- United States
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- Louisiana State University Health Sciences Center in New Orleans
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
Breast Neoplasms
The Effects of Circadian Gene on Sleep and Associated Symptoms in Breast Cancer Patients Under Chemotherapy
The purpose of this study is the evaluation of effect of circadian gene on sleep and other symptoms in breast cancer patients under chemotherapy.
- Trial name
- NCT01887925
- Where
- South Korea
- Volunteers
- 224 people
- Sponsor
- Seoul National University Hospital
Multiple Sclerosis
Pharmacogenetics of Liver Toxicity in Patients With Multiple Sclerosis Treated With Fingolimod
To investigate whether polymorphic differences can be identified between Multiple Sclerosis patients developing elevated liver enzymes (defined as ALT, AST, GGT or bilirubinemia levels five above the upper normal limit on at…
- Trial name
- NCT05516303
- Testing
- Genetic polymorphism, Measurement of fingolimod and fingolimod-phosphate concentrations
- Where
- France
- Volunteers
- 65 people
- Sponsor
- University Hospital, Caen
Major Depressive Disorder
Serotonin Transporter Genetic Variation and Amygdala Responses to Antidepressant Medications in Major Depression
Major depressive disorder (MDD) is a highly prevalent, chronic and/or recurrent condition with substantial morbidity and mortality. It is one of the leading causes of disability worldwide.
- Trial name
- NCT02132286
- Testing
- Quetiapine XR (extended release)
- Where
- Canada
- Volunteers
- 57 people
- Sponsor
- University of Calgary
Lumbar Disc Degeneration, Low Back Pain
Interleukin-1β (rs 1143627 T/C) Gene Polymorphism May Increase the Risk of Developing LDD in Turkish Population
This study aims to show the association between the Interleukin-1β (rs 1143627 T/C) gene polymorphism and the patient's pain level, radiological features, functional disability, and spinal flexibility.
- Conditions
- Lumbar Disc Degeneration, Low Back Pain, Inflammation
- Trial name
- NCT05601739
- Where
- Turkey (Türkiye)
- Volunteers
- 94 people, healthy volunteers welcome
- Sponsor
- Yeditepe University
Pelvic Organ Prolapse
Do Patients With Early Post Operative Recurrence of Pelvic Organ Prolapse Have a Genetic Predisposition?
The objective is to explore the genetic predisposition to early pelvic organ prolapse after adequate surgical repair by exploring the association between pelvic organ prolapse recurrences and certain polymorphisms.
- Trial name
- NCT01614587
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- Atlantic Health System
Non Small Cell Lung Cancer, Nephropathy
Effect of Genetic and Epigenetic Factors on the Clinical Response and Toxicity to Cisplatin Among Egyptian Non-small Cell Lung Cancer Patients
Lung cancer is the leading cause of death worldwide, with non-small-cell lung cancer (NSCLC) being the most common histotype according to the global cancer observatory 2022.
- Conditions
- Non Small Cell Lung Cancer, Nephropathy, Cardiotoxicity
- Trial name
- NCT05746598
- Testing
- Cisplatin injection
- Where
- Egypt
- Volunteers
- 178 people
- Sponsor
- Ain Shams University
COVID-19
Impact of the Genetic Polymorphism on COVID-19 in Egypt
The COVID-19 infection severity depends on many factors, including genetic factors. The SNPs of ACE1, ACE2 and TMPRSS2; which have a big role in the viral entry to the cells, will be tested and help establish a relationship…
- Trial name
- NCT05157217
- Where
- Egypt
- Volunteers
- 98 people
- Sponsor
- Cairo University
Gene Polymorphism, Edoxaban
Prospective Observational Association Between SLCO1B1 Gene Polymorphism and the Anti-factor Xa Activity of Edoxaban in Patients With Moderate to Severe Renal Insufficiency
1. To provide reference for clinical rational use of edoxaban; 2. Optimize the individualized dosing regimen of edoxaban.
- Conditions
- Gene Polymorphism, Edoxaban, Renal Insufficiency
- Trial name
- NCT06431789
- Where
- China
- Volunteers
- 220 people
- Sponsor
- Yi Han
Acute Coronary Syndrome
Prevalence of CYP2C19 Genetic Polymorphisms Among Egyptian Patients Receiving Clopidogrel Following PCI
Coronary artery disease occurs when the blood vessels supplying the heart become narrowed or blocked. Percutaneous coronary intervention (PCI) is a procedure used to restore blood flow to the heart, often by inserting a stent.
- Trial name
- NCT07876336
- Testing
- Clopidogrel
- Where
- Egypt
- Volunteers
- 1,000 people
- Sponsor
- October 6 University
Myeloid Leukemia
Genome-wide Pharmacogenetic Candidate Gene Single Nucleotide Polymorphism (SNP) Array-based Approach to Predict Chemoresponse and Survival in Patients With Acute Myeloid Leukemia With Normal Karyotype
The most reliable prognostic marker of acute myeloid leukemia(AML) is cytogenetics by karyotyping. According to cytogenetic results, the patients with AML are classified as better, intermediate and poor prognosis groups.
- Trial name
- NCT01066338
- Where
- South Korea
- Volunteers
- 500 people
- Sponsor
- Samsung Medical Center
Tuberculosis
Soy, Catfish, Anchovy, and Rice Supplementation Increases 25(OH)D Serum Levels in Tuberculosis Patients With Complications
Tuberculosis patients that have complications (e.g., diabetes mellitus and human immunodeficiency virus (HIV)/acquired immunodeficiency syndrome (AIDS)) who live in tropical regions experience vitamin D deficiency, especially in…
- Trial name
- NCT04613258
- Testing
- SCAR Porridge, Counseling
- Where
- Indonesia
- Volunteers
- 43 people, healthy volunteers welcome
- Sponsor
- Universitas Sumatera Utara
Parkinson's Disease
Genetic Polymorphism and Parkinson's Disease in Taiwanese
To observe and analyze the correlation between Single Nucleotide polymorphisms (SNPs) and the incidence of Parkinson's disease in Taiwanese.
- Trial name
- NCT01996878
- Where
- Taiwan
- Volunteers
- 334 people, healthy volunteers welcome
- Sponsor
- Changhua Christian Hospital
Top-level Athletes
Genetic Polymorphism and Israeli Top-level Athletes
It is still unknown whether different genetic elements play a role in athletes' ability to create their area of specificity.In a study conducted in our laboratory few years ago, we genotyped 22 genes in 2 athletic groups…
- Trial name
- NCT01319071
- Testing
- Blood sample
- Where
- Israel
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Hillel Yaffe Medical Center
Metastatic Colorectal Cancer
Tailored Treatment in Metastatic Colorectal Cancer
To compare the response rate of single agent chemotherapy in advanced colorectal cancer given as standard treatment versus tailored treatment in a randomised phase III trial.
- Trial name
- NCT00396487
- Testing
- Capecitabine, Irinotecan, 5-Fluorouracil+Calciumfolinat
- Where
- 10 sites in Denmark
- Volunteers
- 1 people
- Sponsor
- Vejle Hospital