Clinical trials: Genetic Polymorphism
Patients With Postoperative Mechanical Ventilation After Liver Transplantation
Inflammatory Gene Polymorphism and Prolonged Mechanical Ventilation After Liver Transplantation
Mechanical ventilatory lung care is essential for postoperative care in liver transplantation recipients, for such patients are under massive fluid challenge and hemodynamic alterations perioperatively.
- Trial name
- NCT02402634
- Testing
- Mechanical ventilatory lung care
- Where
- South Korea
- Volunteers
- 141 people, healthy volunteers welcome
- Sponsor
- Yonsei University
Renal Transplantation
Identification of Patients With High Probability of Poorly Responding to Therapy With Mycophenolic Acid Prodrugs
This study is designed to define groups of patients (among patients with a heart or kidney graft or a glomerular disease and nephrotic range proteinuria) who would either not profit from a therapy with mycophenolate-mofetil (MMF)…
- Trial name
- NCT00978965
- Testing
- MPA SNP
- Where
- Austria
- Volunteers
- 277 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
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
Mitral Valve Prolapse
Mitral Valve Prolapse (MVP) - France Study
This prospective nation-wide (France) study aims to search for susceptibility genes in MVP using a genome wide analysis and comparing results obtained in 1000 patients with MVP and 1000 non-MVP subjects.
- Trial name
- MVP-France (NCT00799565)
- Testing
- catch of blood
- Where
- 26 sites in France
- Volunteers
- 1,179 people, healthy volunteers welcome
- Sponsor
- French Cardiology Society
Age-related Hearing Loss, Presbycusis
Genetic Study of Age Related Hearing Loss
Age-related hearing loss, or presbyacusis, is one of the most common chronically handicapped conditions for the elderly. Many factors including genetics, diet, diseases, drugs, socioeconomic factors and environmental variables…
- Trial name
- ARHL (NCT01732289)
- Testing
- genes
- Where
- Taiwan
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
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
Ulcerative Colitis, Vitamin D Deficiency
Observation of the Effect of Vitamin D Supplementation on Chronic Course of Patients With Ulcerative Colitis Based on Vitamin D Receptor Fok I Gene Polymorphism
Aims:Prospectively observe the effects of Vitamin D drops supplementation on the chronic course of ulcerative colitis patients, analyze whether the effect of Vitamin D drops on UC patients is affected by factors such as disease…
- Conditions
- Ulcerative Colitis, Vitamin D Deficiency, Vitamin D Supplement
- Trial name
- NCT04309058
- Testing
- Vitamin D drops
- Where
- China
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Second Affiliated Hospital of Wenzhou Medical University
Periodontal Diseases, Periodontitis
Evaluation of Inflammasome Gene Polymorphisms in Periodontitis Patients
The present study aimed to evaluate the distribution of NLRP3, AIM2, and IFI16 inflammasome gene polymorphisms in individuals with Stage III Grade B and C periodontitis and periodontally healthy individuals.
- Trial name
- NCT06465095
- Testing
- Baseline
- Where
- Turkey (Türkiye)
- Volunteers
- 240 people, healthy volunteers welcome
- Sponsor
- Marmara University
Diabetes, Heart Disease
Personalized Environment and Genes Study
Despite the overwhelming focus on genetic and genomic causes of human disease over the past two decades, it has been estimated that genetics is currently known to explain only 20% and 40% of the etiology of common disease.
- Conditions
- Diabetes, Heart Disease, Asthma
- Trial name
- NCT00341237
- Where
- 2 sites in United States
- Volunteers
- 25,000 people, healthy volunteers welcome
- Sponsor
- National Institute of Environmental Health Sciences (NIEHS)
Polycystic Ovarian Syndrome, Idiopathic Intracranial Hypertension
Astronaut Vision Issues in a Ground Analog Population: Polycystic Ovary Syndrome
The investigators have documented a genetic predisposition for some astronauts to develop ophthalmologic issues (e.g., choroidal folds, cotton wool spots, optic disc edema).
- Trial name
- PCOS (NCT02896452)
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- National Aeronautics and Space Administration
Disorder of Aging
Evaluation of the High Dose Vitamin D3 Supplementation Effect and Influence of Polymorphism VDR Gene on Oxidative Stress and Inflammatory Process in Elderly
A vitamin D3 high dose would act as an antioxidant and anti-inflammatory improving markers of oxidative stress and inflammation in the elderly.
- Trial name
- NCT02222649
- Testing
- Vitamin D3
- Where
- Brazil
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Federal University of Paraíba
Keratoconus
Thyroid Gland Dysfunction and Vitamin D Polymorphism in Keratoconus
This prospective study the thyroid gland dysfunction and vitamin D receptor polymorphism in keratoconus patients
- Trial name
- NCT05073601
- Testing
- ELISA,DNA extraction
- Where
- Egypt
- Volunteers
- 262 people, healthy volunteers welcome
- Sponsor
- Mansoura University
COVID 19 Associated Coagulopathy
Prevalence of Thrombophilic Gene Polymorphism (MTHFR C677T) in COVID-19patients
Aim of the study is to find the prevalence of thrombophilic gene methylene tetrahydrofolate reductase (MTHFR) gene polymorphism in a sample of COVID-19 patients, aiming at early detection of MTHFR mutant patients and guiding…
- Trial name
- (MTHFR)C677T (NCT05679414)
- Testing
- RT- PCR of 2 ml EDTA blood sample to determine MTHFR C677T genotypes
- Where
- Egypt
- Volunteers
- 46 people, healthy volunteers welcome
- Sponsor
- Ain Shams University
Low Caries Experience, High Caries Experience
VDR and TFIP11 Gene Polymorphism and Gene-environmental Interaction in Adults
VDR and TFIP11 Gene polymorphism and gene-environment interactions on caries etiology and susceptibility in adults.
- Trial name
- NCT04124718
- Testing
- high caries experience
- Where
- Turkey (Türkiye)
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- Recep Tayyip Erdogan University Training and Research Hospital
Congenital Adrenal Hyperplasia, Familial Hyperinsulinemic Hypoglycemia 1
Baby Detect : Genomic Newborn Screening
Newborn screening (NBS) is a global initiative of systematic testing at birth to identify babies with pre-defined severe but treatable conditions.
- Conditions
- Congenital Adrenal Hyperplasia, Familial Hyperinsulinemic Hypoglycemia 1, Phosphoglucomutase 1 Deficiency, Maturity Onset Diabetes of the Young
- Trial name
- BabyDetect (NCT05687474)
- Where
- Belgium
- Volunteers
- 6,824 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier Universitaire de Liege
Pulpitis - Irreversible
Single Gene Polymorphism and the Success Rate of Inferior Alveolar Nerve Block
The inferior alveolar nerve block (IANB) is one of the most commonly used techniques in dentistry to achieve mandibular anesthesia during endodontic treatment.
- Trial name
- SNP&IANB (NCT07012382)
- Testing
- Inferior Alveolar Nerve Block, Inferior-Alveolar-Nerve-Block
- Where
- India
- Volunteers
- 320 people, healthy volunteers welcome
- Sponsor
- Jamia Millia Islamia
Androgen Receptor Abnormal, Endometrial Disorder
The Effect of Androgen Receptor Polymorphism on Endometrial Cancer
Endometrial tissue is a hormonal-dependent tissue in both pre- and postmenopausal period. The endometrial cells are expressing receptors for all sex hormones, mainly for estrogen, progesterone and androgens.
- Trial name
- AREC (NCT05157373)
- Testing
- Endometrial sampling and Peripheral blood collection, FSFI Scale
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- University of Nicosia
Polymorphism, Genetic, Bacterial Infections
The Association of Gene Polymorphisms With Invasive Bacterial Infections in Neonates and Young Infants
Invasive bacterial infections (IBIs) are globally significant, with high mortality rates, particularly within the critical 0-3 month age bracket.
- Conditions
- Polymorphism, Genetic, Bacterial Infections, Infant
- Trial name
- NCT06985160
- Testing
- Specific single nucleotide polymorphisms
- Where
- 2 sites in Turkey (Türkiye)
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Ege University
Healthy
Vasoreactivity in Carriers of Genetic Polymorphisms
The objective of the study is to assess the impact of genetic variation (especially polymorphisms of the gene coding endothelial nitric oxide synthase (eNOS) and the bradykinin B2 receptor gene) on venous and arterial…
- Trial name
- NCT00160888
- Testing
- sodium nitroprusside, bradykinin, acetylcholine
- Where
- Germany
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Heidelberg University
Genetic Predisposition to Disease
RORC Genetic Polymorphism of Rheumatoid Arthritis
Three candidate single nucleotide polymorphisms in the RORC2 gene, rs9826 A/G, rs3790515 C/T and rs3828057 C/T were examined together with estimation of nuclear hormone retinoic acid receptor-related orphan receptor variant 2…
- Trial name
- NCT03615729
- Volunteers
- 89 people, healthy volunteers welcome
- Sponsor
- Assiut University