Clinical trials: Genetic Polymorphisms
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
Polymorphisms, Exercise
The Influence of 5-HTTLPR and BDNF Polymorphisms on Anxiety and Mood After Acute Exercise
The Influence of 5-HTTLPR and BDNF Polymorphisms on Anxiety and Mood After Acute Exercise. Introduction: The 5-HTTLPR (SLC6A4) and BDNF (Val66Met) polymorphism presents an action on the modulation of human behavior and has…
- Conditions
- Polymorphisms, Exercise, Mood
- Trial name
- NCT03556176
- Testing
- Exercise, Quiet rest
- Where
- Brazil
- Volunteers
- 180 people, healthy volunteers welcome
- Sponsor
- Universidade Federal de Goias
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
Generalized Adult Periodontitis
Serological Evaluation of 77A/G and 11A/12A Gene of MMP-13 in Periodontitis Affected and Healthy Individuals
50 periodontitis 50 healthy individuals serological evaluation will done to see association of 77A/G AND 11A/12A gene polymorphisms of MMP-13
- Trial name
- SEGPPAH (NCT02423304)
- Testing
- blood samples collected from all patients
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Panineeya Mahavidyalaya Institute of Dental Sciences & Research Centre
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
Colitis, Ulcerative
The Associations of Microribonucleic Acid Gene Polymorphisms With the Risk of Ulcerative Colitis
From January 2020 to December 2024, diagnosed ulcerative colitis(UC) patients and gender- and age-matched normal controls were enrolled from the Department of Gastroenterology, the Second Affiliated Hospital of Wenzhou Medical…
- Trial name
- NCT06873711
- Testing
- vedolizumab
- Where
- China
- Volunteers
- 926 people, healthy volunteers welcome
- Sponsor
- Second Affiliated Hospital of Wenzhou Medical University
Lung Cancer
The Correlation Between Lung Cancer Susceptibility, Drug Response and Genetic Polymorphism
Lung cancer is the leading cause of cancer deaths in Taiwan. The carcinogen in the environment is a key role in the development of lung cancer, and one of its main resource is tobacco.
- Trial name
- NCT01280448
- Where
- Taiwan
- Volunteers
- 600 people, healthy volunteers welcome
- Sponsor
- Taipei Medical University WanFang Hospital
Bladder Cancer, Colorectal Cancer
The Molecular Predisposition to Hereditary Nonpolyposis Colon Cancer (HNPCC)
The goal of this study is to understand factors which may influence risk for colorectal and other cancers in families. These factors include genetic variability, in combination with diet and lifestyle.
- Conditions
- Bladder Cancer, Colorectal Cancer, Endometrial Cancer, Kidney Cancer
- Trial name
- NCT01447199
- Testing
- Health and Diet Questionnaire
- Where
- United States
- Volunteers
- 2,000 people, healthy volunteers welcome
- Sponsor
- M.D. Anderson Cancer Center
Periodontitis, Chronic Periodontitis (Disorder)
Cofilin-2 (rs80358250) and Lactoferrin (rs1126478) Polymorphism and Protein Levels With Non Surgical Periodontal Therapy in Periodontitis Patients With and Without CHD
Periodontitis is a chronic multifactorial inflammatory disease associated with the accumulation of dental plaque and characterized by progressive destruction of the teeth-supporting apparatus, including the periodontal ligament…
- Conditions
- Periodontitis, Chronic Periodontitis (Disorder), Coronary Heart Disease
- Trial name
- NCT07353606
- Testing
- Scaling and root planing
- Where
- 2 sites in India
- Volunteers
- 84 people, healthy volunteers welcome
- Sponsor
- Meenakshi Ammal Dental College and Hospital
Infertility
Study of Gene Associations and Infertility
The purpose of this this study is to use DNA screening strategies to identify genes and localize genomic regions that are differentially expressed in patients with infertility to further understand the genetic basis for…
- Trial name
- NCT01223092
- Where
- United States
- Volunteers
- 5,000 people, healthy volunteers welcome
- Sponsor
- Reproductive Medicine Associates of New Jersey
Chronic Liver Disease, Hepatocellular Carcinoma
Genetic Polymorphisms of TNF-α Promoter and HBV Genotype on Outcome of HBV-Related Chronic Liver Disease
The prognosis of Hepatitis B virus (HBV)infection varies from minimal progressive liver disease to cirrhosis or hepatocellular carcinoma (HCC).Both viral and host genetic factors contribute to disease severity.
- Trial name
- NCT00629668
- Testing
- TNF-alpha and HBV genotype, TNF-alpha and HBV genotypes
- Where
- Taiwan
- Volunteers
- healthy volunteers welcome
- Sponsor
- Kaohsiung Medical University Chung-Ho Memorial Hospital
Healthy
Brain Receptors in Sympathetic Nervous System Regulation
The purpose of this study is to investigate the role of brain receptors called alpha2-adrenoreceptors in regulating the sympathetic nervous system, which maintains the supply of blood and fuel to the body's organs in times of…
- Trial name
- NCT00029627
- Testing
- Yohimbine
- Where
- United States
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- National Institute of Mental Health (NIMH)
Osteoporosis
The Genetic and Life Style Determinants of Bone Mass of Young Greek Males
The genetic bases of peak bone mass in males, as determinants of an individual's risk of developing osteoporotic fractures in old age and their interaction with dietary and lifestyle factors are still poorly understood.
- Trial name
- NCT00449215
- Where
- Greece
- Volunteers
- 301 people, healthy volunteers welcome
- Sponsor
- University of Athens
Healthy, Pulmonary Fibrosis
Identification of Genes Associated With Lung Disease in Patients With Rheumatoid Arthritis
Pulmonary fibrosis (PF) is a condition in which the lungs of a patient become scarred and fibrous. It has been known to occur in as many as 40% of patients diagnosed with rheumatoid arthritis (RA).
- Conditions
- Healthy, Pulmonary Fibrosis, Rheumatoid Arthritis
- Trial name
- NCT00001885
- Where
- United States
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Gout, Hyperuricemia
Research and Development of a New Technology for Detection of Abnormal Excretion of Intestinal Uric Acid Involved in the Incidence of Gout
To evaluate differences in specific SNPs and intestinal microflora between patients with gout and hyperuricemia and healthy controls.
- Conditions
- Gout, Hyperuricemia, Gut Microbiota, Uric Acid
- Trial name
- NCT04953533
- Testing
- no intervention
- Where
- China
- Volunteers
- 800 people, healthy volunteers welcome
- Sponsor
- Second Affiliated Hospital, Zhejiang University, School of Medicine
Colorectal Cancer
Vitamin D, Genes and Colorectal Cancer
The aim of this study is to investigate the interaction between intake of vitamin D and polymorphisms in GC and CYP2R1 in relation to risk of colorectal cancer in a Danish prospective cohort study.
- Trial name
- NCT03370432
- Testing
- Observational
- Volunteers
- 2,895 people, healthy volunteers welcome
- Sponsor
- University of Southern Denmark
Sleep Apnea, Sleep-Disordered Breathing
The Meaning of Dopaminergic Pathway in Sleep Breathing Disorders.
The participants in the study will be adult patients with suspected sleep-disordered breathing. A one-night polysomnography will be performed using the NOXA1 device (NOX Medical, Reykjavík, Iceland).
- Trial name
- NCT05890911
- Testing
- Polysomnography, Blood dopamine level measurement, Genetical test
- Where
- Poland
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Wroclaw Medical University
Blood Flow in Healthy Volunteers
Effect of Polymorphisms in the Adenosine a2a Receptor Gene and AMPD2 Gene on Adenosine-Induced Vasodilation and Reactive Hyperemia
The endogenous nucleoside adenosine can induce various cardiovascular and neurohumoral effects by stimulation of specific adenosine receptors.
- Trial name
- NCT00253929
- Testing
- Intra-arterial infusion of adenosine, intra-arterial infusion of caffeine, intra-arterial infusion of acetylcholine
- Where
- Netherlands
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Radboud University Medical Center
Peripheral Retinal Degenerations, Age Related Macular Degeneration Polymorphisms
The Association of the Peripheral Retinal Changes and Genotypic Changes in Patients With Age Related Macular Degeneration
Purpose: To examine the genotypes associated with the peripheral retinal phenotypic features in patients with age-related macular degeneration documented with wide-field imaging. Design: Clinic-based case series study in Croatia.
- Trial name
- NCT03492853
- Testing
- DNA extraction and sequencing
- Volunteers
- 310 people, healthy volunteers welcome
- Sponsor
- University Hospital Sestre Milosrdnice