Clinical trials: Genetic Polymorphism
Metabolism, Interaction
-Methylenedioxymethamphetamine (MDMA, Ecstasy) Induced Changes in Drug Metabolism: Gender and Genetic Polymorphisms
The purpose of this study are: 1. to evaluate the involvement of CYP2D6, CYP3A4 and CYP1A2 (through dextromethorphan and caffeine challenges), and catechol-O-methyltransferase (COMT)in MDMA metabolism 2.
- Trial name
- NCT01447472
- Testing
- MDMA
- Where
- Spain
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- Parc de Salut Mar
Retinopathy of Prematurity, Genetic Polymorphism
Genetic Polymorphism and Retinopathy of Prematurity: Correlation of Clinical Presentations and Severity
Study Aim and Goals 1. Evaluate the correlation between genetic polymorphism and ROP development 2. To study the possibility if there are any specific genetic polymorphisms that lead to poor outcome or recurrence of ROP after…
- Trial name
- NCT05132257
- Testing
- Severe ROP
- Where
- Taiwan
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- Chang Gung Memorial Hospital
Generalized Aggressive Periodontitis, Chronic Periodontitis
Evaluation of Possible Genes in Periodontal Diseases by Genetic Methods
Generalized aggressive Periodontitis (GAgP) and chronic periodontitis (CP) are inflammatory diseases. Little is known about molecular changes and signaling cascade of host response.
- Trial name
- NCT04026828
- Testing
- Periodontitis Group
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Kocaeli University
Type 2 Diabetes Mellitus, Gene Polymorphisms
Effect of Mutations in T2DM Susceptibility Genes on the Expression of Susceptibility Genes in Patients With T2DM and Controls
In this study, investigators wanted to determine the effect of T2DM susceptibility gene mutations on self-expression. Participants (T2DM patients and controls) were recruited to identify genotypes and detect the levels of T2DM…
- Conditions
- Type 2 Diabetes Mellitus, Gene Polymorphisms, Genetic Mutations, Susceptibility, Genetic
- Trial name
- NCT06277466
- Testing
- Fresh normal pancreatic tissues or adjacent tissues of pancreatic cancer were collected from controls and T2DM patients without hypoglycemic drugs, Fresh blood samples were collected from healthy subjects and T2DM patients without hypoglycemic drugs
- Where
- China
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- The Affiliated Hospital of Xuzhou Medical University
Schizophrenia
Pharmacologically-augmented Cognitive Therapies (PACTs) for Schizophrenia.
This application seeks renewed support for MH59803, "Dopaminergic substrates of startle gating across species," to extend a clear path of "bench-to-bedside" progress towards a critical paradigm shift in therapeutic models for…
- Trial name
- NCT02634684
- Testing
- Dextroamphetamine
- Where
- United States
- Volunteers
- 82 people, healthy volunteers welcome
- Sponsor
- University of California, San Diego
Kidney Cancer
DNA Variations in the Gene in Young Patients With Wilms' Tumor
RATIONALE: Studying samples of blood from patients with cancer in the laboratory may help doctors learn more about changes that may occur in DNA and identify biomarkers related to cancer.
- Trial name
- NCT00088803
- Testing
- molecular genetic technique, polymerase chain reaction, polymorphism analysis
- Where
- 232 sites in United States, Australia and 5 more
- Volunteers
- 471 people, healthy volunteers welcome
- Sponsor
- Children's Oncology Group
Blood Pressure
Blood Pressure and Central Haemodynamics in Healthy Adults Stratified by MTHFR Genotype
Approximately 12% of the world's population have a have a common C677T polymorphism in the gene encoding the folate metabolising enzyme, methylenetetrahydrofolate reductase (MTHFR).
- Trial name
- RAFA Obs (NCT04948086)
- Where
- United Kingdom
- Volunteers
- 498 people, healthy volunteers welcome
- Sponsor
- University of Ulster
Exercise
Gene-Exercise Interactions in Athletes
Athlete status is a heritable trait that could be explained with a number of potentially important DNA polymorphisms contributing to predisposition to success in certain types of sport.
- Trial name
- GE-EX (NCT03279380)
- Testing
- SNP, High Intensity Interval Training (HIIT), Low Intensity Continuous Training
- Where
- Slovenia
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- University of Primorska
Overweight and Obesity
Polymorphism C677T MTHFR and Folate Intake in Inflammatory Biomarkers
The C677T polymorphism of the MTHFR gene is associated to several biochemicals imbalances, as changes in folic acid serum levels and some inflammatory markers, elevating the oxidative stress and increasing the risk of developing…
- Trial name
- NCT03186196
- Testing
- Diet containing Folate
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Federal University of Paraíba
Bronchitis
Functional Implications of TNF
The research plan proposes to develop translational studies in humans that will identify host susceptibility factors that confer vulnerability to the prototypal air pollutant, ozone.
- Trial name
- NCT00729131
- Testing
- Etanercept inhibition of ozone-induced airway hyper-responsiveness.
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- National Institute of Environmental Health Sciences (NIEHS)
Neurodegenerative Diseases, Dementia
Resource Use and Disease Course in Dementia (REDIC)
This project is based on a three-year program that aims to improve the knowledge of the socioeconomic consequences of dementia in Norway.
- Trial name
- REDIC (NCT01920100)
- Where
- 3 sites in Norway
- Volunteers
- 696 people, healthy volunteers welcome
- Sponsor
- Sykehuset Innlandet HF
Pain, Surgery
The Possible Correlations Between the Genes Related to Pain Sensation and the Pain Sensitivity in the General Population
Objective: This study was conducted to explore the possible correlation between some gene related to pain sensation and individual basal pain perception and postoperative pain intensity in the general population.
- Trial name
- NCT01950078
- Where
- China
- Volunteers
- 1,533 people, healthy volunteers welcome
- Sponsor
- Xianwei Zhang
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
Phantom Limb
Study to Identify the Genetic Variations Associated With Phantom Limb Pain
The purpose of this study is to determine if there is a genetic component to phantom limb pain. DNA will be analyzed for single nucleotide polymorphisms (SNPs) between the control and phantom limb pain group.
- Trial name
- NCT01462448
- Testing
- Blood Draw
- Where
- United States
- Volunteers
- 726 people, healthy volunteers welcome
- Sponsor
- Henry M. Jackson Foundation for the Advancement of Military Medicine
Peri-Implantitis
Analysis of Genetic Variations in Patients With Peri-implantitis
The primary objective of this study is to evaluate interleukin-1(IL-1) gene group polymorphisms in patients with peri-implantitis and to compare them with patients with peri-implant health (control group), taking into account…
- Trial name
- NCT04807725
- Testing
- Analysis of genetic polymorphisms, Biochemical analysis
- Where
- Portugal
- Volunteers
- 88 people, healthy volunteers welcome
- Sponsor
- Egas Moniz - Cooperativa de Ensino Superior, CRL
Vitiligo
TRPM2 Gene Polymorphism, NLRP3 Inflammasome Expression in Vitiligo Patients
This study investigates the relationship between Transient Receptor Potential Melastatin 2 (TRPM2) gene polymorphism and Nucleotide-binding oligomerization domain-like receptor protein 3 (NLRP3) inflammasome expression in…
- Trial name
- NCT07232238
- Where
- Egypt
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Aswan University
Congenital Heart Disease
Genetics of Congenital Heart Disease
Congenital heart disease (CHD) is the most common type of birth defect but the cause for the majority of cardiac birth defects remains unknown.
- Trial name
- NCT01192048
- Testing
- Blood Sample Collection
- Where
- United States
- Volunteers
- 5,000 people, healthy volunteers welcome
- Sponsor
- Nationwide Children's Hospital
Non-small Cell Lung Cancer, Primary Carcinoma
GWAS Research of Lung Cancer in Tianjin
To study the association of Genetic Polymorphisms with Lung Cancer Risk in Tianjin Population.
- Trial name
- NCT01255059
- Where
- China
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- Tianjin Medical University Cancer Institute and Hospital
Leprosy
TGF β 1 Expression Related Gene Polymorphism
Leprosy is one of the oldest human infectious diseases. It is a chronic infectious contagious, granulomatous disease caused by intracellular bacillus.
- Trial name
- NCT06683690
- Testing
- Measurement of TGF- β1 in leprosy patients
- Where
- Egypt
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Aswan University
Genetics, Skin Aging
Relationship of Skin Related SNP to Topical Skin Care Product
Demonstrate the relationship between single nucleotide polymorphisms (SNP) and response to a topical skin care product.
- Trial name
- NCT03446079
- Testing
- Topical Anti Aging Cream
- Where
- United States
- Volunteers
- 156 people, healthy volunteers welcome
- Sponsor
- HelicalCodeMD