Clinical trials: Genetic Polymorphisms, open to volunteers
Infertility
Study of Gene Associations and Infertility
The purpose of this this study is to use DNA screening strategies to identify genes and localize genomic regions that are differentially expressed in patients with infertility to further understand the genetic basis for…
- Trial name
- NCT01223092
- Where
- United States
- Volunteers
- 5,000 people, healthy volunteers welcome
- Sponsor
- Reproductive Medicine Associates of New Jersey
Pain, Genetic Change
COMT and OPRM1 Polymorphisms and Their Effect on Post-Operative Pain in Children
The goal of this observational study is to investigate whether the A118G single-nucleotide polymorphism (SNP) in the mu-opioid receptor1(OPRM1) and Catechol-O-methyltransferase (COMT) SNPs influence postoperative pain scores in…
- Conditions
- Pain, Genetic Change, Children, Only
- Trial name
- NCT06777875
- Where
- Lebanon
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- American University of Beirut Medical Center
Chronic Hepatitis B
Exploring the Genome-wide Association Study of the Population With Clinical Cure Advantage in the Treatment of Chronic Hepatitis B With Long-acting Interferon
This study is a real-world case-control study conducted, with 120 CHB patients who received continuous treatment with PEG-IFN-α for more than 24 weeks as study subjects.
- Trial name
- NCT06696664
- Testing
- PEG-IFN-α
- Where
- China
- Volunteers
- 120 people
- Sponsor
- Minghui Li
Interaction
Contribution of UGT2B17 to the Pharmacokinetics of Diclofenac
The purpose of this pilot study is to gather preliminary data on the (1) contribution of the understudied drug metabolizing enzyme, UDP-glucuronosyltransferase (UGT) 2B17, to the metabolism of a widely used medication…
- Trial name
- NCT06053411
- Testing
- Diclofenac, curcumin
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Washington State University
Gestational Diabetes Mellitus (GDM), Pregnancy
Effect of an Early and Intensified Nutritional Intervention on the Risk of Developing Gestational Diabetes Mellitus
The goal of this clinical trial is to learn if a nutritional intervention based on a Mediterranean diet (MedDiet), initiated early in pregnancy, reduces the incidence of gestational diabetes mellitus (GDM) and other adverse…
- Conditions
- Gestational Diabetes Mellitus (GDM), Pregnancy, Mediterranean Diet
- Trial name
- MedDiet in GDM (NCT07817017)
- Testing
- Nutritional intervention based on a Mediterranean diet
- Where
- Spain
- Volunteers
- 1,200 people
- Sponsor
- Hospital San Carlos, Madrid
MASLD/MASH (Metabolic Dysfunction-Associated Steatotic Liver Disease / Metabolic Dysfunction-Associated Steatohepatitis)
Study of PNPLA3 Genetic Polymorphisms in Patients With Non-Alcoholic Fatty Liver Disease in an Ultramarine Population (AdipoDROMExpo)
Metabolic Dysfunction Associated Liver Disease (MASLD) is associated with metabolic syndrome, and PNPLA3 variants are known to be implicated in intrahepatic lipid accumulation and linked to lipotoxicity.
- Trial name
- AdipoDROMExpo (NCT07330830)
- Where
- 3 sites in French Guiana, Guadeloupe and 1 more
- Volunteers
- 600 people
- Sponsor
- Centre Hospitalier Universitaire de la Guadeloupe
Alcohol-related Liver Disease
Genetic Polymorphisms Associated With the Risk of Pancreatitis in Patients With Alcohol Related Cirrhosis.
Alcohol is a known risk factor for both pancreatitis and cirrhosis. However, not all patients with alcohol related cirrhosis develop pancreatitis.
- Trial name
- NCT06763198
- Where
- India
- Volunteers
- 150 people
- Sponsor
- Institute of Liver and Biliary Sciences, India
Sickle Cell Disease
Hydroxyurea Optimisation in Sickle Cell Disease
The wide interindividual variability in clinical response to hydroxyurea therapy in the management of sickle cell disease has limited its use.
- Trial name
- PHOENIX-NG (NCT07543289)
- Testing
- Hydroxyurea (HU)
- Where
- Nigeria
- Volunteers
- 100 people
- Sponsor
- Ochuko Orherhe
Type 2 Diabetes Mellitus, Susceptibility, Genetic
Association of Gene Polymorphism With Susceptibility to T2DM and the Therapeutic Responses to Exenatide in Chinese Patients With T2DM
This is a retrospective cohort study of patients with T2DM who were treated with exenatide twice daily as a part of their diabetes care for at least 12 months.
- Trial name
- NCT06256419
- Testing
- GLP-1 receptor agonist, responders group and nonresponders group
- Where
- China
- Volunteers
- 300 people
- Sponsor
- The Affiliated Hospital of Xuzhou Medical University
Seizures, Traumatic Brain Injuries
Early Post-Traumatic Seizures Prevention Trial (E-PTS Trial)
Rationale/gaps in existing knowledge: The prophylaxis for post-traumatic seizures (PTS) remains controversial due to a lack of class I evidence.
- Conditions
- Seizures, Traumatic Brain Injuries, Traumatic Brain Injury (TBI) Patients
- Trial name
- E-PTS (NCT07072624)
- Testing
- Phenytoin, Levetiracetam
- Where
- 3 sites in India
- Volunteers
- 1,260 people
- Sponsor
- All India Institute of Medical Sciences, Jodhpur
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
Pharmacokinetic Study in Healthy Volunteers
Evaluation of Solanidine as an Exogenous Biomarker to Phenotype CYP2D6 Activity in Humans
This study investigates the evaluation of solanidine as an exogenous biomarker to phenotype CYP2D6-activity in humans. Participants will be classified by their CYP2D6 genotype into poor metabolizers (PM), low intermediate…
- Trial name
- SOLA-1 (NCT07817030)
- Testing
- Yohimbine, Consumption of a defined potato-rich meal
- Where
- Germany
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University Medicine Greifswald
Irritable Bowel Syndrome (IBS), Genome-wide Association Study
GWAS to Identify Predictive Genetic Factors for the Success of Dietary Intervention in the Treatment of IBS Symptoms
This is a GWAS that aims to identify possible single nucleotide polymorphisms (SNPs) that are associated with the response in a combined dietary pattern low in fermentable oligosaccharides, disaccharides, monosaccharides, and…
- Conditions
- Irritable Bowel Syndrome (IBS), Genome-wide Association Study, Single Nucleotide Polymorphisms, Mediterranean Diet
- Trial name
- NCT06912828
- Testing
- Med-LFD intervention
- Where
- Greece
- Volunteers
- 100 people
- Sponsor
- Attikon Hospital
Cholecystectomy, Hernia, Abdominal
Exploring the Impact of Genetic Variations on The Clinical Efficacy of Nalbuphine in Postoperative Pain Management
The goal of this study is to identify the genes as well as their association with Nalbuphine. This will help the investigator to identify opioid vulnerability in Pakistani population in the postoperative patients and will…
- Conditions
- Cholecystectomy, Hernia, Abdominal, Appendectomy, Open Colorectal Surgery
- Trial name
- Nal (NCT06996561)
- Testing
- Nalbuphine Injection, Next Generation Sequencing, whole exome sequencing
- Where
- Pakistan
- Volunteers
- 263 people
- Sponsor
- Dr. Asma Abdus Salam
Autism Spectrum Disorder
Study of the Genetic Factors Involved in Autism and Related 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
- Gene&autism (NCT04727489)
- Testing
- DNA from subjects will be stored in the biobank of our study.
- Where
- 6 sites in France
- Volunteers
- 3,800 people, healthy volunteers welcome
- Sponsor
- Institut National de la Santé Et de la Recherche Médicale, France
Chronic Liver Disease and Cirrhosis
Influence of Donor and Recipient Genetic Polymorphisms on Graft Steatosis After Liver Transplant
MASH (Metabolic Dysfunction-associated Steatohepatitis) is among the most common indications for liver transplantation.The metabolic syndrome persists after liver transplant and is often further exacerbated among MAFLD patients…
- Trial name
- NCT07685353
- Where
- India
- Volunteers
- 50 people
- Sponsor
- Institute of Liver and Biliary Sciences, India
Type 2 Diabetes Mellitus, Gene Polymorphisms
Effect of Mutations in T2DM Susceptibility Genes on the Expression of Susceptibility Genes in Patients With T2DM and Controls
In this study, investigators wanted to determine the effect of T2DM susceptibility gene mutations on self-expression. Participants (T2DM patients and controls) were recruited to identify genotypes and detect the levels of T2DM…
- Conditions
- Type 2 Diabetes Mellitus, Gene Polymorphisms, Genetic Mutations, Susceptibility, Genetic
- Trial name
- NCT06277466
- Testing
- Fresh normal pancreatic tissues or adjacent tissues of pancreatic cancer were collected from controls and T2DM patients without hypoglycemic drugs, Fresh blood samples were collected from healthy subjects and T2DM patients without hypoglycemic drugs
- Where
- China
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- The Affiliated Hospital of Xuzhou Medical University
Neuromyelitis Optica Spectrum Disorders, MOGAD
Frequency of FCGR3A Gene Polymorphisms in Patients With Neuromyelitis Optica Spectrum Disorders, Anti-oligodendrocyte Myelin Protein Antibody Disease, and Multiple Sclerosis.
The goal of this study is to assess the frequency of genetic polymorphisms of the FCG3A in a cohort of Italian patients affected by neuromyelitis optica spectrum disorder (NMOSD) and mog antibody associated disease (MOGAD) and in…
- Conditions
- Neuromyelitis Optica Spectrum Disorders, MOGAD, Multiple Sclerosis
- Trial name
- PoGe (NCT06865274)
- Testing
- Blood draw for the laboratory assessment
- Where
- Italy
- Volunteers
- 50 people
- Sponsor
- Fondazione Policlinico Universitario Agostino Gemelli IRCCS
Chronic Apical Periodontitis, Periapical Healing
MMP-2/3 and Periapical Healing Outcomes
This prospective randomized clinical study will investigate the association between MMP-2 and MMP-3 gene polymorphisms and radiographic healing outcomes following nonsurgical root canal treatment in patients with chronic apical…
- Trial name
- NCT07529964
- Testing
- Nonsurgical Root Canal Treatment
- Volunteers
- 50 people
- Sponsor
- TC Erciyes University