Clinical trials: Gene Polymorphism
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
Weight Management, Diet Conditions
A to Z Study Follow-up: Collection of DNA Data From Buccal Swabs
The goal of this study is to determine the association between genotypes and diet. The weight and weight loss data are already available from the previously completed study called: A to Z Study - Benefits and Risks of Alternative…
- Conditions
- Weight Management, Diet Conditions, Dietary Recommendations, Overweight Management
- Trial name
- NCT00866151
- Where
- United States
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Interleukin Genetics, Inc.
Type 1 Diabetes Mellitus
The Role of FTO Gene Polymorphism and Insulin Preparation in Obesity in Children With Type 1 Diabetes Mellitus
The project aims at assessment of the effect of the FTO gene polymorphism and the type of treatment on the development of overweight/obesity and features of metabolic syndrome in children with type 1 diabetes.
- Trial name
- FTO_T1DM (NCT01279161)
- Where
- 6 sites in Poland
- Volunteers
- 2,000 people, healthy volunteers welcome
- Sponsor
- University of Bialystok
Collateral Circulation, Large-artery Occlusion
Study of Collateral Circulation in Patients With Symptomatic Intracranial Anterior Circulation Occlusion
Intracranial artery stenosis is the leading cause of stroke onset or recurrence in Asian. Multiple studies have shown that anterior circulation is most common in intracranial artery stenosis, especially the middle cerebral artery…
- Conditions
- Collateral Circulation, Large-artery Occlusion, Cerebral Infarction
- Trial name
- NCT04091412
- Testing
- Butylphthalide Soft Capsules
- Where
- China
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- The Second Hospital of Hebei Medical University
Schizophrenia, Chinese Han People
Mutation Screening and Translocation Detection of DISC1 Gene in Schizophrenia
Several chromosomal loci obtained from genetic linkage studies have been reported of relating to schizophrenia. These areas include of 1q32-41, 6p24-21, 8p22-21, 15q13-14, and 22q11-12.
- Trial name
- NCT00155818
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
Sick Sinus Syndrome
The Role of Angiotensinogen Gene Polymorphism in the Pathogenesis of Non-familial Sick Sinus Syndrome
Evidence has been documented for the close relationship between the arrhythmia pathogenesis and the gene expression in renin-angiotensin system.
- Trial name
- NCT01310920
- Testing
- observation
- Where
- Taiwan
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- China Medical University Hospital
Healthy
Identification of Null Allelic Variant of CYP2C8 In A Korean Population
The genotype profile of CYP2C8 was analyzed in a Korean population. Frequency in multi-ethnic population and in vivo functionality of novel null allelic CYP2C8 variant were evaluated.
- Trial name
- NCT01872780
- Testing
- Rosiglitazone, CYP2C8 genotype
- Volunteers
- 11 people, healthy volunteers welcome
- Sponsor
- Inje University
Overweight, Obesity
VDR Gene Polymorphisms and Weight Loss in Non-diabetic Overweight and Obese Subjects
This is a six months intervention study in non-diabetic overweight and obese subjects. Subjects will be counseled for weight loss through diet and exercise.
- Trial name
- NCT03386331
- Testing
- diet and exercise
- Where
- India
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- Diabetes Foundation, India
Pulmonary Disease, Chronic Obstructive, Generalized Chronic Periodontitis
The Association of SERPINA1 Gene Disturbance in Patients With Lung and Gum Disorders
Chronic obstructive pulmonary disease and periodontitis are chronic inflammatory diseases. The study aims to determine if the genetic polymorphism of SERPINA1 gene in patients with COPD serve as a risk factor for developing…
- Trial name
- SA1PLG (NCT02498938)
- Testing
- SERPINA1 gene
- Where
- India
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Panineeya Mahavidyalaya Institute of Dental Sciences & Research Centre
Stomach Ulcer
Influence of CYP2C19 Polymorphism on PK/PD of Omeprazole
A clinical trial to investigate the influence of CYP2C19 polymorphism on pharmacokinetic/pharmacodynamic characteristics of omeprazole in healthy Korean volunteers
- Trial name
- NCT02299687
- Testing
- Omeprazole
- Where
- South Korea
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Seoul National University Hospital
Periodontitis, Polymorphism, Restriction Fragment Length
Analysis of Pregnancy-Associated Plasma Protein-A and Interleukin-6 Gene Polymorphisms in Patients With Periodontitis
The aim of this study is to evaluate the relationship between pregnancy associated plasma protein-A (PAPP-A) and interleukin-6 (IL-6) gene polymorphisms and stage 3 grade B and C (S3GBC) periodontitis, and to compare…
- Trial name
- NCT06540755
- Testing
- genetic polymorphism analysis
- Where
- Turkey (Türkiye)
- Volunteers
- 226 people, healthy volunteers welcome
- Sponsor
- Marmara University
Healthy
LXRA Gene Polymorphisms and Response to Fenofibrate
This is a research study of how a cholesterol medication known as fenofibrate works differently in people with different genetic backgrounds.
- Trial name
- NCT00644592
- Testing
- Fenofibrate capsule daily for 4 weeks, Fenofibrate
- Where
- United States
- Volunteers
- 11 people, healthy volunteers welcome
- Sponsor
- University of Florida
Alzheimer's Disease
Risk Evaluation and Education for Alzheimer's Disease
The purpose of this study is to determine the characteristics of those who obtain genetic susceptibility testing for Alzheimer's disease with APOE disclosure and to study the psychological and behavioral consequences of providing…
- Trial name
- REVEAL I (NCT00571025)
- Testing
- APOE Disclosure
- Where
- 3 sites in United States
- Volunteers
- 301 people, healthy volunteers welcome
- Sponsor
- National Human Genome Research Institute (NHGRI)
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
Diabetes Mellitus
Effect of Adiponectin Genetic Polymorphism on Rosiglitazone Response
The aims of the present study were to investigate the association between adiponectin gene polymorphisms and the response to rosiglitazone monotherapy in T2D patients.
- Trial name
- NCT00501488
- Testing
- rosiglitazone
- Where
- China
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- Central South University
Androgen Receptor Abnormal, Endometrial Disorder
The Effect of Androgen Receptor Polymorphism on Endometrial Cancer
Endometrial tissue is a hormonal-dependent tissue in both pre- and postmenopausal period. The endometrial cells are expressing receptors for all sex hormones, mainly for estrogen, progesterone and androgens.
- Trial name
- AREC (NCT05157373)
- Testing
- Endometrial sampling and Peripheral blood collection, FSFI Scale
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- University of Nicosia
Libido, Receptors, Androgen
Genetic Polymorphism of the Androgen Receptor-Gene and Sexual Function in Middle Aged Women
It is known that with increasing age sexual desire is declining in women. Decreasing levels of androgens are believed to have an influence, but cannot explain the loss of libido completely.
- Conditions
- Libido, Receptors, Androgen, Polymorphism, Genetic, Androgen Effect
- Trial name
- CAG-Libido (NCT01977313)
- Where
- Switzerland
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Insel Gruppe AG, University Hospital Bern
Disorders of Sex Development, Congenital Adrenal Hyperplasia
Gene Polymorphisms Influencing Steroid Synthesis and Action
The extend of steroid biosynthesis and action is mainly dependent on underlying genetic polymorphisms and gene mutations. These sequence variations in multiple genes involved in steroid biosynthesis and action cause different…
- Conditions
- Disorders of Sex Development, Congenital Adrenal Hyperplasia, Congenital Adrenal Hypoplasia, Adrenal Insufficiency
- Trial name
- NCT00485186
- Volunteers
- healthy volunteers welcome
- Sponsor
- University Hospital Schleswig-Holstein
Adult Respiratory Distress Syndrome
ACE Gene Polymorphism and ARDS Outcome
The acute respiratory distress syndrome (ARDS) is an important cause of acute respiratory failure with a high mortality rate. The mechanism of resolution of the late organizing phase remains uncertain.
- Trial name
- NCT00155779
- Where
- Taiwan
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
Functional Gastrointestinal Disorders, Overlap Syndromes
Overlap FGIDs and Genetic Polymorphism
1. To analyze the prevalence of overlap syndromes among NERD or RH, FD, and IBS patients, and to identify and to compare the differences in their characteristics and symptoms, and to determine their risk factors. 2.
- Trial name
- NCT04712617
- Volunteers
- 800 people, healthy volunteers welcome
- Sponsor
- Seoul National University Bundang Hospital