Clinical trials: Gene Polymorphism
Rheumatoid Arthritis, Periodontitis
Study of the Causal Link Between Rheumatoid Arthritis and Periodontitis Using Mendelian Randomization
This study aims to investigate the causal relationship between rheumatoid arthritis and periodontitis using Mendelian randomization.
- Trial name
- RAPD-MR (NCT06603207)
- Volunteers
- 220,000 people
- Sponsor
- Zhibin Xu
STEMI, Microvascular Coronary Artery Disease
The 3q25 rs2305619 Polymorphism Associates With Microvascular Obstruction in STEMI
The investigators enrolled 217 patients with acute STEMI undergoing primary PCI. The rs2305619 polymorphism was evaluated by real time PCR and plasma PTX3 concentration was assessed by human PTX3 ELISA kit.
- Trial name
- NCT03907722
- Testing
- Long pentraxin 3
- Where
- Indonesia
- Volunteers
- 217 people
- Sponsor
- Indonesian Cardiovascular Research Center
Fabry, Renal Disease
Relation Between Polymorphism in Genes Related to Kidney Disease and Renal Manifistations in Fabry Disease
The rational of the study is to try to predict which of the patients who suffer from Fabry disease will have End Stage Renal Disease.
- Trial name
- NCT00437944
- Volunteers
- healthy volunteers welcome
- Sponsor
- Shaare Zedek Medical Center
Attention Deficit Hyperactivity Disorder
Genetic Polymorphism and OROS-Methylphenidate Treatment in Attention Deficit Hyperactivity Disorder(ADHD)
The purpose of this study is to examine whether genetic polymorphisms in drug transporters were associated with the side effects of OROS-methylphenidate medication in attention deficit/hyperactivity disorder(ADHD).
- Trial name
- NCT00842127
- Testing
- OROS-methylphenidate (Concerta)
- Where
- South Korea
- Volunteers
- 150 people
- Sponsor
- Bundang CHA Hospital
Day-3 Positive of Parasitaemia, Prevalence of Drug Resistance Gene Mutation
Molecular Assessment of Artemisinin Resistance Markers in Eastern and Western Border Areas of Myanmar
Artemisinin resistance have been documented in Myanmar and Myanmar artemisinin resistance containment measures have been launched since 2009-2010.
- Trial name
- NCT02198573
- Where
- Burma
- Volunteers
- 91 people
- Sponsor
- Myat Htut Nyunt
Premature Birth
Three Interacting Single Nucleotide Polymorphisms (SNPs) and the Risk of Preterm Birth in Black Families
A multilocus interaction of three pro-inflammatory cytokine single nucleotide polymorphisms (SNPs), -3448 Tumor Necrosis Factor-α, -7227 Interleukin 6, and 33314 Interleukin 6R was reported by Menon and associates in 2006.
- Trial name
- NCT00675753
- Testing
- Blood spot specimens will be drawn
- Where
- 2 sites in United States
- Volunteers
- 258 people, healthy volunteers welcome
- Sponsor
- University of Miami
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
B Cell Leukemia, Lymphoma
Study of the Prognostic Role of Gene Polymorphism in the Development of B-cell Leukemias and Lymphomas in Children of Kazakh Nationality
To search for a genetic marker of B-cell leukemias and lymphomas in children of Kazakh nationality, a single nucleotide polymorphism (SNP) analysis of DNA obtained from the peripheral blood of patients with B-cell leukemias and…
- Trial name
- NCT05095155
- Testing
- SNP analysis of the DNA
- Where
- Kazakhstan
- Volunteers
- 400 people
- Sponsor
- Asfendiyarov Kazakh National Medical University
Prostate Cancer
Exploring Genomic, Proteomic and Dosimetric Determinants of Late Toxicity After Three Dimensional Conformal Radiotherapy (RT) for Prostate Cancer
Prostate cancer is the most common malignancy in males, and radiotherapy is a commonly chosen treatment option for patients with localized disease.
- Trial name
- NCT00122265
- Where
- Canada
- Volunteers
- 83 people
- Sponsor
- AHS Cancer Control Alberta
Anovulation, Hyperandrogenism
Whole Genome Analysis for the Detection of Key Genes in the Polycystic Ovary Syndrome
Background: Infertility affects up to 15% of married couples. About half are attributable to female factors, among which anovulation is the leading cause.
- Conditions
- Anovulation, Hyperandrogenism, Polycystic Ovary Syndrome, Single Nucleotide Polymorphism
- Trial name
- NCT00665171
- Where
- Israel
- Volunteers
- 1,500 people, healthy volunteers welcome
- Sponsor
- Maaynei Hayesha Medical Center
Immune Thrombocytopenic Purpura
" Effect of Single-nucleotide Polymorphism of CD40 Gene rs1883832 C/T on the Risk of Immune Thrombocytopenic Purpura "
Immune thrombocytopenia is an acquired autoimmune disease, in which platelets are opsonized by auto-antibodies and destroyed by phagocytic cells .Genetic polymorphisms in the immune mediators have been suggested to play a pivotal…
- Trial name
- NCT05585944
- Testing
- Genotyping of rs1883832C/T related single-nucleotide polymorphism
- Where
- Egypt
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Sohag University
OCD
The Imaging Genetic Study of the Core Family of Obsessive-compulsive Disorder (OCD) Patient
To investigate the structural/functional abnormalities and the possible genetic endophenotypes of Obsessive-compulsive disorder (OCD) patients and their core families.
- Trial name
- NCT01298622
- Where
- China
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Kunming Medical University
Psuedomas Infection, Cystic Fibrosis
The Role of Bacteria and Genetic Variations in Cystic Fibrosis
This study will examine 1) the role of hereditary factors in cystic fibrosis; i.e., the relationship of the disease to specific gene variations, and 2) the role of bacterial products involved in lung infections substances…
- Trial name
- NCT00043225
- Where
- 4 sites in United States
- Volunteers
- 76 people
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Allergic Asthma, Asthma
Gender Differences and SNPs in Asthmatic Patients
The GINA 2020 guidelines suggest that asthma affects approximately 300 million persons worldwide. Even if there is a specific drug treatment for each stage of disease (From mild to severe) in some patients it is not efficacy and…
- Trial name
- NCT04567212
- Testing
- genetic evaluation, MicroRNA evaluation
- Where
- 2 sites in Italy
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of Catanzaro
Asthma
Investigating Dupilumab's Effect in Asthma by Genotype
The Goal of this study is to investigate if individuals ages 12 years and older, carrying the IL-4RαR576 gene variant, will have a greater response to therapy acting directly on the anti-IL-4R.
- Trial name
- IDEA (NCT03694158)
- Testing
- Dupilumab
- Where
- 6 sites in United States
- Volunteers
- 150 people
- Sponsor
- Boston Children's Hospital
Malaria, Falciparum
Malaria Transmission Studies in Mali
Background: Malaria is an illness caused by a parasite spread by mosquitoes. When a mosquito bites a person who is infected with a kind of parasite called a gametocyte, it is able to spread the infection to another person.
- Trial name
- NCT01829737
- Where
- United States
- Volunteers
- 534 people, healthy volunteers welcome
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Infant, Very Low Birth Weight
L-arginine Concentrations and CPS Polymorphisms in VLBW Infants
Plasma L-arginine concentrations are decreased in premature infants with necrotizing enterocolitis (NEC). A carbamoyl-phosphate synthetase 1 (CPS1) polymorphism has been correlated with low plasma concentrations of L-arginine in…
- Trial name
- NCT00554866
- Testing
- blood sample and buccal swab sample
- Where
- 4 sites in Italy, Netherlands and 1 more
- Volunteers
- 477 people
- Sponsor
- Maastricht University Medical Center
Allergic Conjunctivitis
The Role of Vitamin D in Corneal Epithelial Barrier Function, Ocular Microbiome, Ocular Inflammation, and Visual Acuity of Children With Allergic Conjunctivitis
A double-blind study to evaluate the role of vitamin D in corneal epithelial barrier function, ocular microbiome, ocular inflammation, and visual acuity of children with allergic conjunctivitis.
- Trial name
- NCT05839938
- Testing
- Vitamin D
- Where
- Taiwan
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- China Medical University Hospital
Leprosy, Mycobacterium Leprae Infection
Rab 32 Gene Polymorphisms as a Prognostic Factor in Leprosy Patients
Mycobacterium leprae is a slow-growing bacillus that causes leprosy. the infection may take two to ten years to incubate. While the exact mechanism of infection transmission is unknown, direct bacillus absorption through the…
- Trial name
- NCT06819449
- Testing
- Dapsone
- Where
- Egypt
- Volunteers
- 50 people
- Sponsor
- South Valley University
Children With a Deficiency of Alpha-1 Antitrypsin
Polygen Defi-Alpha: Genetic Polymorphisms Study in Children With Alpha-1 Antitrypsin Deficiency, Included in the DEFI-ALPHA Cohort
The deficiency of alpha-1 antitrypsin (DA1AT) is a genetic disorder of variable clinical expression, initially described in adults with pulmonary emphysema patients.
- Trial name
- Polygen (NCT01862211)
- Testing
- blood sampling
- Where
- 20 sites in France
- Volunteers
- 296 people
- Sponsor
- Hospices Civils de Lyon