Clinical trials: Genetic Polymorphism
Blastocystis Infections
Molecular Characterization of Blastocystis Isolates From Human by Restriction Fragment Length Polymorphism (RFLP) Analysis
Blastocystis is an anaerobic unicellular protozoal parasite infecting the gastrointestinal tract of humans and a wide range of animals.
- Trial name
- NCT05580393
- Testing
- RFLP analysis of SSU rRNA
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Sohag University
Inflammatory Bowel Disease (Crohn's Disease and Ulcerative Colitis), Polymorphism, Single Nucleotide
The Association Between TNFSF4 Polymorphism and CD
The goal of this observational study is to investigate the associations between tumor necrosis factor superfamily member 4 (TNFSF4) gene polymorphisms and the risk of Crohn's disease (CD), and to elucidate the impact of TNFSF4…
- Conditions
- Inflammatory Bowel Disease (Crohn's Disease and Ulcerative Colitis), Polymorphism, Single Nucleotide, Ustekinumab
- Trial name
- NCT07263464
- Testing
- Ustekinumab - Standard Dosage
- Where
- China
- Volunteers
- 818 people, healthy volunteers welcome
- Sponsor
- Second Affiliated Hospital of Wenzhou Medical University
Glucose Homeostasis, Protein Metabolism
The Role of Glucocorticoid Receptor SNPs in Receptor Function and Metabolic Disease
Background: Glucocorticoids are primary stress response hormones released from the adrenal gland when an individual is under stress.
- Conditions
- Glucose Homeostasis, Protein Metabolism, Lipid Metabolism, Respiratory Function
- Trial name
- NCT01143493
- Where
- United States
- Volunteers
- 278 people, healthy volunteers welcome
- Sponsor
- National Institute of Environmental Health Sciences (NIEHS)
Healthy Individuals
Gene Polymorphism Study of Normal Individual Inflammasome Genes
This study is intended to collect blood from healthy individuals to investigate whether variations in immune-related (inflammasome) genes affect how the immune cells found in the blood can help fight infections and prevent…
- Trial name
- NCT01988805
- Testing
- Blood Draw
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Ohio State University
Genotype Guided(HNF4a), Healthy Subjects
STUDY The Effect of HNF-4A G60D Variant on the In VIVO CYP2D6 Activity By Tolterodine Pharmacokinetic Study
This study was to investigate the pharmacokinetics of tolterodine, substrate of CYP2D6 in healthy subject in relation to the presence of HNF-4A G60D variant.
- Trial name
- HNF4a (NCT01181505)
- Testing
- Tolterodine
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- Inje University
Skeletal Muscle Performance, Gene Polymorphisms
Assessment of the Impact of N-acetylcysteine Supplementation on Physical Performance
Study aims to verify the hypothesis: N-acetylcysteine (NAC) supplementation improves exercise capacity in people training endurance sports and the effectiveness of this supplementation depends on the polymorphism of genes related…
- Trial name
- NCT05604586
- Testing
- N-acetylcysteine
- Where
- Poland
- Volunteers
- 77 people, healthy volunteers welcome
- Sponsor
- Poznan University of Life Sciences
Recruitment
Oxidative Stress Gene Polymorphism and Ovarian Reserve Functione
the relationship between FOXO3A-bim pathway gene polymorphisms and ovarian reserve function of paitients with ovarian endometrioma
- Trial name
- NCT03682341
- Testing
- endometriosis
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Peking Union Medical College Hospital
Fertility Disorders
TRAP Study: Testosterone for Androgen Receptor Polymorphism
To determine whether pretreatment with transdermal testosterone increases the number of cumulus-oocyte complexes (COCs) obtained after ovarian stimulation by more than 1.5 in patients with low ovarian reserve and androgen…
- Trial name
- TRAP (NCT06195163)
- Testing
- Transdermal Gel in Sachet Dosage Form, No pretreatment
- Where
- Spain
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Instituto Bernabeu
Healthy
Effects of Gene Polymorphism After Transcranial Cranial Direct Current Stimulation on the Corticobulbar Excitability
This study aims to examine the effects of transcranial direct current stimulation at corticobulbar excitability in individuals with different gene polymorphism.
- Trial name
- NCT03712150
- Testing
- tdcs
- Where
- 2 sites in South Korea
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- The Catholic University of Korea
Autism Spectrum Disorder (ASD)
Investigation of the Genetic and Environmental Causes of Autism: a Multi-Center Study
The goal of this observational study is to investigate the genetic and epigenetic mechanisms that may contribute to the development of Autism Spectrum Disorder (ASD) in individuals of different age groups.
- Trial name
- ASD-Omics-TR (NCT06662591)
- Where
- 20 sites in Turkey (Türkiye)
- Volunteers
- 3,000 people, healthy volunteers welcome
- Sponsor
- Research and Treatment Society of Genetic Disorders
Energy Metabolism
Erythrocyte Transport of Lactate During Exercise (TELE Project)
The goals of this clinical trial are: 1. to study lactate kinetic between plasma and erythrocytes during an intervallic exercise and its subsequent recovery, considering the blood pH, the genotype for the T1470A polymorphism of…
- Trial name
- TELE (NCT06104150)
- Testing
- Intervallic submaximal exercise test
- Where
- 2 sites in Spain
- Volunteers
- 84 people, healthy volunteers welcome
- Sponsor
- Technical University of Madrid
Healthy
Genetic Polymorphisms Affecting Effect of High Intensity Training
The objective of the study is to investigate the effect of high intensity training on maximal oxygen uptake according to the genetic polymorphisms in healthy Korean volunteers.
- Trial name
- NCT02241850
- Testing
- High intensity training
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- Kyunghee University Medical Center
Systemic Lupus Erythematosus
A Prospective Study of Cyclophosphamide in Systemic Lupus Erythematosus Treatment
The purpose of this study is to compare the genotype-based personal prescription of cyclophosphamide with the traditional prescription.
- Trial name
- SLE (NCT01689350)
- Testing
- Genotype Detection
- Where
- China
- Volunteers
- 92 people, healthy volunteers welcome
- Sponsor
- Sun Yat-sen University
Colitis, Ulcerative
An Analysis of the Relationship Between the Genetic Polymorphisms of Plasminogen Activator Inhibitor-1 and Ulcerative Colitis in Chinese Patients
From January 2019 to February 2025, 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
- NCT06961435
- Testing
- Vedolizumab
- Where
- China
- Volunteers
- 900 people, healthy volunteers welcome
- Sponsor
- Second Affiliated Hospital of Wenzhou Medical University
Sepsis
Identification Sepsis Related Single Nucleotide Polymorphism (SNP) by Whole Exome Sequencing
Sepsis is a common cause of death in intensive care unit, timely and accurate diagnosis and treatment directly affect the survival rate. Single nucleotide polymorphism (SNP) was promising genetic biomarker for sepsis patients.
- Trial name
- NCT01920217
- Where
- China
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- Chinese PLA General Hospital
Pharmacogenomics
Effect of Genetic Polymorphisms of UGT on the PKs of Indapamide in Egyptians
The aim of this works is to investigate the effect of genetic variation of UGT2B7 on human response to treatment with indapamide and its correlation with pharmacokinetic parameters in Egyptian subjects.
- Trial name
- UGT/PKs (NCT05294484)
- Testing
- Indapamide 1.5 MG SR
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- Ain Shams University
Systemic Lupus Erythematosus, BAFF Polymorphism
BAFF and APRIL and RESPONSE TO BELIMUMAB in SLE
This project is intended to identify the routes on which BAFF and APRIL act in order to detect possible future candidates to Belimumab treatment among patients diagnosed of SLE.
- Trial name
- BAFF (NCT03919643)
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Fundación Pública Andaluza para la gestión de la Investigación en Sevilla
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
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
Intrahepatic Cholestasis of Pregnancy
ABCB4 Gene Mutations in Intrahepatic Cholestasis of Pregnancy and Controls
Mutations of the ATP binding cassette subfamily B member 4 (ABCB4) gene, a gene involved in a subtype of progressive familial intrahepatic cholestasis, have been reported in women suffering from intrahepatic cholestasis of…
- Trial name
- NCT00700232
- Where
- France
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- University Hospital, Tours