Clinical trials: Polymorphism
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
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
Puberty
The COPENHAGEN Puberty Study
By clinical examinations and withdrawing of blood samples from a large number of healthy Danish children, this study will reveal if age of pubertal onset is declining.
- Trial name
- NCT01411527
- Where
- Denmark
- Volunteers
- 1,957 people, healthy volunteers welcome
- Sponsor
- Copenhagen University Hospital, Rigshospitalet
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
Diabetes
GLP1R Polymorphisms and Response to GLP1
Glucagon-like Peptide-1 (GLP-1) is an important incretin hormone which acts as a powerful insulin secretagogue. Defects in GLP-1 synthesis and secretion are thought to be part of the pathogenesis of type 2 diabetes.
- Trial name
- NCT00588380
- Testing
- GLP-1
- Where
- United States
- Volunteers
- 88 people, healthy volunteers welcome
- Sponsor
- Mayo Clinic
Tuberculosis
The Impact of Vitamin D on Tuberculosis Among Koreans
Vitamin D has been regarded to be beneficial to tuberculosis (TB) patients. The aim of this study is to elucidate the role of vitamin D deficiency in development and treatment outcomes among Korean TB patients.
- Trial name
- NCT01137370
- Where
- South Korea
- Volunteers
- 203 people, healthy volunteers welcome
- Sponsor
- Seoul National University Hospital
Vitamin D Receptor Defect
Association Between Vitamin D Receptor Polymorphism and Serum Vitamin D Levels in Children With Low-Energy Fractures
This study was designed to determine the impact of vitamin D serum levels and vitamin D receptor (VDR) polymorphisms on the occurrence of low energy fractures in children.
- Trial name
- NCT02805647
- Where
- Poland
- Volunteers
- 222 people, healthy volunteers welcome
- Sponsor
- Medical University of Bialystok
Labor Pain, Post-cesarean Delivery
Mu-Opioid Receptor Genetic Polymorphism and Intrathecal Analgesia
Pharmacogenetics has allowed clinicians to identify associations between an individual's genetic profile and his/her response to drugs.
- Trial name
- NCT00418015
- Testing
- Blood Draw
- Where
- United States
- Volunteers
- 293 people, healthy volunteers welcome
- Sponsor
- Northwestern University
HIV Infections, Hyperlipidemia
Genetic Predictors of Variability in the Drug-drug Interaction Between Darunavir/Ritonavir and Pravastatin
Pravastatin (Pravachol) is approved by the Food and Drug Administration (FDA) and is used to treat high cholesterol. Darunavir (Prezista) and ritonavir (Norvir) are approved by the Food and Drug Administration (FDA) to treat HIV…
- Trial name
- NCT00630734
- Testing
- Pravastatin, Darunavir, Ritonavir
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
NAFLD
Genetic-specific Effects of Fructose on Liver Lipogenesis
The primary goal of this study is to identify a set of genotypes that increase the risk for nonalcoholic fatty liver disease (NAFLD) and predispose individuals to increased de novo lipogenesis (DNL) and liver fat accumulation…
- Trial name
- NCT03783195
- Testing
- Sugar drink
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- University of North Carolina, Chapel Hill
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
Colorectal Cancer
Precision-Based Magnesium Trial
Colorectal cancer is the fourth most common incident cancer and the second most common cause of cancer death in the United States, with approximately 150,000 new cases and 57,000 deaths per year.
- Trial name
- NCT01105169
- Testing
- Magnesium glycinate
- Where
- United States
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University Medical Center
Alzheimer Disease
REVEAL III: Risk Evaluation and Education for Alzheimer's Disease
The purpose of this study is to provide healthy adults with genetic testing and information about their chances of developing Alzheimer's disease.
- Trial name
- REVEAL (NCT00462917)
- Testing
- Pleiotropic info, in-person disclosure, AD-only info, in-person disclosure, Pleiotropic info, phone disclosure
- Where
- 4 sites in United States
- Volunteers
- 290 people, healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital
Efavirenz, Metabolism and Pharmacokinetics Changes
Determine the Effects of Gene Differences and Voriconazole on Enzyme CYP2B6 Activity in the Liver in Healthy Volunteers
The purpose of this study is to see if administration of medicines and genetic differences affects the activity of a liver enzyme called CYP2B6 in healthy volunteers.
- Trial name
- NCT01104376
- Testing
- Efavirenz, voriconazole
- Where
- United States
- Volunteers
- 61 people, healthy volunteers welcome
- Sponsor
- Indiana University
Dysgeusia
Gustin Gene Polymorphism and 6-n-propylthiouracil (PROP) Taste
The investigators evaluate the possible association of PROP taste with gustin gene polymorphism rs2274333 (A/G), salivary zinc ion concentration and BMI.
- Trial name
- gustinprop (NCT01097915)
- Where
- Italy
- Volunteers
- 170 people, healthy volunteers welcome
- Sponsor
- University of Cagliari
Obesity, Insulin Resistance
Apelin Levels and G212A Polymorphism of Apelin Receptor (APJ)
The aim of this study is to investigate serum apelin levels as well as their possible association with G212A polymorphism of the apelin receptor in obese children and adolescents.
- Conditions
- Obesity, Insulin Resistance, Diabetes Mellitus Type 2
- Trial name
- NCT01121172
- Where
- Greece
- Volunteers
- 180 people, healthy volunteers welcome
- Sponsor
- Aristotle University Of Thessaloniki
Diabetes Mellitus
SNP Study of DPP-4 and GLP-1R in Chinese People (Including Diabetes Patients)
Incretin-based therapy is currently one of the most popular diabetes treatment approaches. However, differences of response ware found in previous studies.
- Trial name
- NCT03108521
- Testing
- Sitagliptin
- Where
- China
- Volunteers
- 119 people, healthy volunteers welcome
- Sponsor
- Sichuan Provincial People's Hospital
HIV
Effects of CYP2B6 Genetic Polymorphisms on Efavirenz Pharmacokinetics
1. To see how the liver breaks down efavirenz by an enzyme called CYP2B6. It is suggested that when Efavirenz is taken repeatedly it may increase the amount of CYP2B6 in your liver and thus speed up your liver's ability to get…
- Trial name
- NCT00668395
- Testing
- Efavirenz
- Where
- 2 sites in United States
- Volunteers
- 73 people, healthy volunteers welcome
- Sponsor
- Indiana University
Sepsis
Algorithm for Predicting the Unfavorable Course of Sepsis in Children
A comprehensive strategy will be used to investigate the relationship and correlation between 4 diagnostically significant markers relevant for early diagnosis and prediction of complications and death in the development of…
- Trial name
- NCT05908162
- Testing
- Bood leukocyte subsets
- Where
- Belarus
- Volunteers
- 185 people, healthy volunteers welcome
- Sponsor
- The Republican Research and Practical Center for Epidemiology and Microbiology
Healthy Volunteers
CYP2B6 Polymorphisms in Ketamine
This research study will determine if genetic variation in CYP2B6 affects how the body metabolizes ketamine.
- Trial name
- NCT01988922
- Testing
- ketamine
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Washington University School of Medicine