Clinical trials: Polymorphism
Genotype-related Drug Metabolism
Open Label Study for the Functional Characterization of Drug Metabolism and Transport
Aim of this study is to comprehensively assess in healthy volunteers the metabolic processes and factors that define drug response.
- Trial name
- IKP243 (NCT01788254)
- Testing
- Codeine, Midazolam, pravastatin
- Where
- 2 sites in Germany
- Volunteers
- 144 people, healthy volunteers welcome
- Sponsor
- Matthias Schwab
Diabetes, Hypoglycemia Unawareness
The Effect of Antecedent Hypoglycaemia on β2-adrenergic Sensitivity
Hypoglycaemia unawareness is a common complication in patients with type 1 diabetes and with insulin-treated type 2 diabetes of long duration.
- Trial name
- NCT00160056
- Testing
- Hypoglycemia
- Where
- Netherlands
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Radboud University Medical Center
Kidney Diseases
Chinese Herb Nephropathy Epidemiology and Association With CYP2D6, CYP2C19, PXR, or MDR1 Polymorphism
1. Chinese herb nephropathy (CHN), a kind of kidney failure caused by Chinese herbs, may be related to the a component called aristolochic acid (AA). 2.
- Trial name
- NCT01503645
- Where
- 2 sites in Taiwan
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
Alzheimer's Disease
Effect of REST in the Alzheimer Disease Continuum
The investigators assume that REST gene polymorphism affects REST protein concentration, and REST protein concentration in peripheral blood is related to cognitive function and hippocampus.
- Trial name
- ERADC (NCT03884023)
- Where
- China
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Dongzhimen Hospital, Beijing
Non-alcoholic Fatty Liver Disease
Utilizing Non-Invasive Fibroscan® Technology to Identify Genetic Markers for Fatty Liver Progression
Non-alcoholic fatty liver disease (NAFLD) is a common disorder, affecting ~30% of people in the general population and up to 96% of obese individuals.
- Trial name
- NCT02267148
- Where
- United States
- Volunteers
- 53 people, healthy volunteers welcome
- Sponsor
- UNC Nutrition Research Institute
Developmental Delays
The Relationship Between Arsenic Methylation Capability and Blood Metals in Children With Developmental Delays
The purpose of this study is to explore the relationship between arsenic methylation and blood metals in children with developmental delays and its correlation with health related quality of life.
- Trial name
- NCT02523989
- Testing
- study group
- Where
- Taiwan
- Volunteers
- 137 people, healthy volunteers welcome
- Sponsor
- Taipei Medical University
Autism Spectrum Disorders
Susceptibility Genes in Autism Spectrum Disorders
The main objective of the study is to define, for Autism Spectrum Disorder, the extent of genetic variation in synaptic pathways that may be targeted for therapeutic development.
- Trial name
- NCT02628808
- Where
- 5 sites in France
- Volunteers
- 1,616 people, healthy volunteers welcome
- Sponsor
- Institut National de la Santé Et de la Recherche Médicale, France
Healthy
Pharmacokinetic/Pharmacodynamic Study of Ilaprazole to Evaluate the Effect of CYP Genetic Polymorphism
Ilaprazole is a novel proton pump inhibitor and metabolized by CYP3A4 and 2C19. Thus genetic polymorphisms of CYP3A4 and 2C19 may have effect on the pharmacokinetics and pharmacodynamics of Ilaprazole.
- Trial name
- NCT01688544
- Testing
- Ilaprazole
- Where
- South Korea
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- Inje University
Rheumatoid Arthritis, Systemic Lupus Erythematosus
Decoy Receptor 3 (DcR3) Polymorphisms in Rheumatoid Arthritis (RA) and Systemic Lupus Erythematosus (SLE)
Although SLE and RA are correlated with genetic predisposing factors such as human leukocyte antigen (HLA) class II, both diseases and other genetic factors might have contributed to the development of dysregulated lymphocyte…
- Trial name
- NCT00172666
- Where
- Taiwan
- Volunteers
- 450 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
Hepatitis C, Chronic
Biliverdin Reductase A in Chronic Hepatitis C Virus Infection
In this project, the investigators aim to study the role of biliverdin reductase A (BLVRA) in HCV infected patients prior and during/after standard antiviral therapy in association with viral clearance, disease progression and…
- Trial name
- NCT01112033
- Where
- Czechia
- Volunteers
- 113 people, healthy volunteers welcome
- Sponsor
- Charles University, Czech Republic
Healthy
Effects of Clopidogrel and Clarithromycin on the Oral Disposition of Sibutramine in Healthy Subjects
Effects of clopidogrel and clarithromycin on the oral disposition of sibutramine in healthy subjects
- Trial name
- sibu (NCT01421706)
- Testing
- Sibutramine-clopidogrel, sibutramine-Clarithromycin
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Inje University
Tryptophan Metabolism Alterations, Polymorphism
Effect of Genetic Alterations Affecting the Genes Encoding the Major Enzymes of the Kynurenine Pathway on Suicidal Behavior
Current research has shown that an imbalance in the Kynurenine pathway plays a role in the physiopathology of neurogenerative and mental disorders (with a decrease in neuroprotective metabolites and an increase in neurotoxic…
- Conditions
- Tryptophan Metabolism Alterations, Polymorphism, Suicidal Behavior
- Trial name
- SuiKYN (NCT04565834)
- Testing
- SNP (single nucleotide polymorphism) genotyping
- Where
- 2 sites in France, Spain
- Volunteers
- 849 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier Universitaire de Nīmes
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
Obesity, Dietary Modification
Comparison of Two Calorie Restricted MediterrAsian Diet on Weight Loss in FTO rs9939609 Overweight Carriers
Background: Obesity treatment should be individualized since some calorie restricted diet doesn't work for some individuals. Objective: we assess the effect of two different calorie restriction with MediterrAsian diet on weight…
- Trial name
- NCT02940197
- Testing
- MediterrAsian diet
- Where
- Iran
- Volunteers
- 145 people, healthy volunteers welcome
- Sponsor
- Shiraz University of Medical Sciences
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
Healthy Volunteers
CYP2B6 Polymorphisms in Methadone Disposition
This research study will determine if genetic variation in CYP2B6 affects how the body metabolizes methadone.
- Trial name
- NCT01648283
- Testing
- IV racemic methadone HCl, Oral racemic methadone HCl
- Where
- United States
- Volunteers
- 78 people, healthy volunteers welcome
- Sponsor
- Washington University School of Medicine
Healthy
Risk of CYP2C19 Phenoconversion in Healthy Volunteers With Rapid, Normal, and Intermediate Predicted Metabolizers' Status
CYP2C19 is responsible for the metabolism of approximately 10% of drugs currently on the market, including several proton pump inhibitors, clopidogrel, benzodiazepines and some tricyclic antidepressants, including amitriptyline.
- Trial name
- Switch19 (NCT05264142)
- Testing
- Voriconazole 200mg, FluvoxaMINE 50 Mg Oral Tablet, Omeprazole 10 MG Oral Tablet
- Where
- Switzerland
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- University Hospital, Geneva
Muscle Strength, Genetics
Effectiveness of Muscular Work and Genetic Variants in Strength Gain of Ischiofemoral and Quadriceps
In the field of sports training and recovery, the work of muscular strength has become the star theme in terms of its influence on the performance of athletes.
- Trial name
- NCT03973060
- Testing
- Concentric-eccentric muscular work, Genetic polymorphism
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Universidad Francisco de Vitoria
Sinus Arrhythmia
Identification of Gene Polymorphism in Patients With Sick Sinus Syndrome in Chinese Population in Taiwan
Background: Sinus node dysfunction is a major cause of bradycardia necessitating pacemaker implantation. Evidences of genetic study supported that some genes involved in the pacemaker current or renin-angiotensin system were…
- Trial name
- NCT00314223
- Where
- Taiwan
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- China Medical University Hospital
NAFLD, Fatty Liver
A Nutrigenetic Intervention in MASLD
The study is designed as a 12-week randomized controlled dietary intervention in individuals who had been diagnosed with NAFLD in the last 6 months and whose body mass index is above 25 at the time of participation in the…
- Trial name
- NCT06220695
- Testing
- Dietary intervention
- Where
- Turkey (Türkiye)
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Maastricht University