Clinical trials: Genetic Polymorphisms
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
Fibrosis, Chronic Kidney Disease
Utility of Prolonged-release Pirfenidone in the Progression of Chronic Kidney Disease
The aim of this study was to evaluate the impact in safety and efficacy of a new formulation of prolonged-released Pirfenidone in the progression of renal damage in patients with Chronic kidney Disease (CKD).
- Trial name
- NCT02408744
- Testing
- Pirfenidone
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Guadalajara
Adverse Effect of Oral Contraceptives, Initial Encounter
The Effect of Hormonal Contraception on Female
The aim- To evaluate the impact of combined oral contraceptives on women's psychosexual, metabolic, blood coagulation, hormonal and genetic measures.
- Trial name
- HORMCONTRA (NCT01852786)
- Testing
- Contraceptives, Oral, Combined, Controls
- Where
- Lithuania
- Volunteers
- 340 people, healthy volunteers welcome
- Sponsor
- Lithuanian University of Health Sciences
Healthy
Forearm Vascular Relaxation
The purpose of this study is to learn the effect of inherited differences on forearm blood flow responses to hormones and drugs
- Trial name
- NCT00182923
- Where
- United States
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- National Institute on Aging (NIA)
Abiraterone Acetate, Gene Polymorphism
Effects of Metabolic Enzymes and Transporter Gene Polymorphisms on the Pharmacokinetics and Metabolism of Oral Abiraterone Acetate in Healthy Chinese Adults
1. To explore the relationship between the changes of plasma concentration of abiraterone acetate after taken orally on fasting or postprandial and gene polymorphism. 2.
- Conditions
- Abiraterone Acetate, Gene Polymorphism, Pharmacokinetic, Metabolic Analysis
- Trial name
- NCT04735913
- Testing
- Abiraterone acetate tablets
- Where
- China
- Volunteers
- 81 people, healthy volunteers welcome
- Sponsor
- Zhongnan Hospital
Crohn Disease
Relationships of B-cell Activating Factor Gene Polymorphisms With Crohn's Disease.
From January 2020 to December 2024, Crohn's disease(CD) patients and gender- and age-matched normal controls were collected from the Department of Gastroenterology, the Second Affiliated Hospital of Wenzhou Medical University.
- Trial name
- NCT07387172
- Where
- China
- Volunteers
- 824 people, healthy volunteers welcome
- Sponsor
- Second Affiliated Hospital of Wenzhou Medical University
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
Seasonal Affective Disorder
Study of Genes in Relation to Seasonal Affective Disorder and Major Depressive Disorder
The investigators are looking for volunteers who have a history of Major Depressive Disorder, the Winter Blues, or Seasonal Affective Disorder or healthy volunteers who do not have a history of these disorders for a research…
- Trial name
- Season605 (NCT01292889)
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Pittsburgh
Acute Lymphoblastic Leukemia
Correlation of Polymorphisms of Lipoprotein Lipase (LpL) and Apolipoprotein E (Apo E) With Lipid Profile of Children With Acute Lymphoblastic Eukaemia During Therapy With L - Asparaginase.
Haematological malignancies constitute the most common neoplastic disease in child population, with acute leukemia occupying the number one spot with a percentage of 32.8%.
- Trial name
- NCT04364451
- Testing
- Correlation of Polymorphisms of Lipoprotein Lipase (LpL) and Apolipoprotein E (Apo E) With Lipid Profile of Children With Acute Lymphoblastic Leukaemia During Therapy With L - Asparaginase
- Where
- Greece
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Aristotle University Of Thessaloniki
Drug Transporter
Genetic Polymorphisms of ABCG2/BCRP on the Transport of Nifedipine to Breast Milk.
This study aims to investigate the influence of the c.421C>A genetic polymorphism of the ABCG2 / BCRP transporter in the concentration ratio of nifedipine in maternal milk:plasma in hypertensive breastfeeding women attended at…
- Trial name
- NCT03710395
- Testing
- Blood and breast milk sampling, Nifedipine
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- Natalia Valadares de Moraes
Fatty Acid Desaturases, Polymorphism, Single Nucleotide
Genetic Variants Modulate Association Between Dietary n-3 LCPUFAs and DHA Proportion in Breast Milk
DHA is important for the development of brain and retina in newborns. Considering that exclusive breast feeding for at least 4 ~6 months are globally recommended, plus it is well known that nutrient requirement is determined by…
- Conditions
- Fatty Acid Desaturases, Polymorphism, Single Nucleotide, Milk, Human
- Trial name
- NCT03842891
- Where
- Taiwan
- Volunteers
- 193 people, healthy volunteers welcome
- Sponsor
- China Medical University Hospital
Nasopharyngeal Carcinoma, Single Nucleotide Polymorphisms
Polymorphisms in Key Genes of Glycolytic Pathway: Influence on Radiosensitivity in Nasopharyngeal Carcinoma
Warburg effect is an important feature of tumors,and genetic variation is one of the main factors of individual differences to radiotherapy treatment response for nasopharyngeal carcinoma(NPC).
- Conditions
- Nasopharyngeal Carcinoma, Single Nucleotide Polymorphisms, Radiosensitivity
- Trial name
- NCT02481089
- Testing
- validation group
- Where
- China
- Volunteers
- 600 people, healthy volunteers welcome
- Sponsor
- Hunan Province Tumor Hospital
Hypertensive Disorder of Pregnancy, Vitamin D Deficiency
Vitamin D Deficiency With Selected Vitamin D Receptor Gene Polymorphism in Gestational Hypertension
This study aim to look into the prevalence of Vitamin D deficiency among Malaysian pregnant women and its associated risk factors.
- Trial name
- NCT05659173
- Testing
- Blood taking
- Where
- Malaysia
- Volunteers
- 180 people, healthy volunteers welcome
- Sponsor
- Universiti Putra Malaysia
DAO Genetic Variants
Prevalence of DAO (diamino Oxidase) Deficiency in Newborns
Observational study to estimate the prevalence of genetic DAO deficiency in the population.
- Trial name
- DAO-NEO-2022 (NCT06710366)
- Where
- Spain
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- AB Biotek
Crohn's Disease
An Analysis of the Relationship Between the Genetic Polymorphisms of Interleukin 12 Receptor Subunit Beta 1 and Crohn's Disease in Chinese Patients
From January 2018 to May 2025, diagnosed CD patients and gender- and age-matched normal controls were collected from Department of Gastroenterology, the Second Affiliated Hospital of Wenzhou Medical University.
- Trial name
- NCT07057856
- Testing
- Ustekinumab (UST)
- Where
- China
- Volunteers
- 866 people, healthy volunteers welcome
- Sponsor
- Second Affiliated Hospital of Wenzhou Medical University
Obesity, Healthy Volunteers
Fat Metabolism and Melanocortin 3 Receptors in African Americans
Background: Melanocortin receptors are proteins in the body that help send messages between body systems. One such receptor, the melanocortin 3 receptor (MC3R), is important for regulating body weight.
- Trial name
- NCT01851421
- Where
- United States
- Volunteers
- 88 people, healthy volunteers welcome
- Sponsor
- Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
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)
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
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