Clinical trials: Genetic Polymorphism
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
Allergic Rhinitis
Brain-derived Neurotrophic Factor (BDNF) Single Nucleotide Gene Polymorphism and Nerve Growth Factor as Risk Factors That Increase Severity of Allergic Rhinitis
Allergic diseases such as asthma, allergic rhinitis (AR) and atopic dermatitis affect more than 25% of the world population and are the leading cause of illness in children.
- Trial name
- NCT05907733
- Testing
- Genotyping.
- Where
- Egypt
- Volunteers
- 50 people
- Sponsor
- Sohag University
Antral Follicle Deficit, Fertility
Study of Follicle Stimulating Hormone (FSH) Receptor in Women With Low Antral Follicle Count
The deficit in the total number of antral follicles is associated with a reduction of the ovarian fertility potential in young women.
- Trial name
- NCT00231504
- Testing
- Blood samples
- Where
- France
- Volunteers
- 82 people, healthy volunteers welcome
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Trauma
Genetic Polymorphisms & The Risk for Sepsis After Trauma
The specific aim of this is to establish a cohort of severely injured patients admitted to our trauma center. Investigators will collect DNA, utilizing discarded blood samples, from 3000 injury victims in an effort to identify…
- Trial name
- NCT02021552
- Testing
- blood sampling
- Where
- United States
- Volunteers
- 357 people
- Sponsor
- University of Washington
Breast Cancer
Effect of Genetic and Epigenetic Factors on the Clinical Response and Toxicity to Doxorubicin Among Egyptian Breast Cancer Patients
Recent advances in technologies, such as microarray and high-throughput sequencing, represented a deeper understanding of molecular biology, especially noncoding RNA (ncRNA).
- Trial name
- NCT05733026
- Where
- Egypt
- Volunteers
- 200 people
- Sponsor
- Ain Shams University
Recurrent Pityriasis Versicolor
Gene Polymorphism in Tinea Versicolor
Blood samples will be taken from cases presenting with recurrent tinea versicolor , after confirmation of diagnosis by wood's light and KOH examination, for the detection of gene polymorphism in IL17 A and IL17 F.
- Trial name
- NCT04769804
- Where
- Egypt
- Volunteers
- 200 people
- Sponsor
- Kasr El Aini Hospital
Transsexualism
A Common Polymorphism of the SRD5A2 Gene is Not Associated With Male-to-Female and Female-to-Male Transsexualism
Genetic variations, i.e. polymorphisms, may be associated with gender dysphoria, e.g. transsexualism. This study aims to identify such variations.
- Trial name
- NCT00435513
- Where
- Austria
- Volunteers
- 1,770 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Gastrointestinal Cancer
the Effect of ABCC2 Genetic Polymorphism on Neurotoxicity in Gastrointestinal Cancer Patients Receiving Oxaliplatin
Study the effect of genetic polymorphism (rs1885301, rs4148396 and rs3740066) in the membrane of Multidrug resistance protein 2 (MRP2) encoded by ATP-binding cassette C2 (ABCC2) gene and its genetic expression levels on…
- Trial name
- NCT05494320
- Testing
- Folfox Protocol
- Where
- Egypt
- Volunteers
- 120 people
- Sponsor
- Ain Shams University
Healthy
Impact of Genetic Polymorphism on Drug-Drug Interactions Involving CYP2D6
CYP2D6 is characterized by a huge variability in the general population, mainly because of genetic polymorphism and drug-drug interactions (DDIs). CYP2D6 genotype is known to have an impact on the extent of DDIs.
- Trial name
- NCT03054220
- Testing
- Dextromethorphan 5 MG, Tramadol 10 mg, Duloxetine 60mg
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- Jules Desmeules
Wildtype, Polymorphism Liver FABP
Potential Association of a Common L-FABP Polymorphism With Lipid-induced Hepatic Insulin Resistance
The investigators hypothesise that a common A277G polymorphism of the liver fatty acid binding protein (L-FABP) gene, which leads to an amino acid exchange, may be associated with alterations of lipid-induced hepatic insulin…
- Trial name
- NCT00277342
- Testing
- measurement of lipid-induced hepatic insulin resistance
- Where
- Germany
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- German Institute of Human Nutrition
Genetic Polymorphisms
NIEHS/UNC Environmental Polymorphism Study
The Environmental Genome Project (EGP) has completely or partially resequenced the protein coding and regulatory regions of 53 environmentally sensitive genes from 72 anonymous individuals of varying ethnic backgrounds to date.
- Trial name
- NCT00340886
- Where
- United States
- Volunteers
- 485 people
- Sponsor
- National Institute of Environmental Health Sciences (NIEHS)
Helicobacter Pylori Infection, Resistant Infection
One Sequencing Find All for Helicobacter Pylori Infection
The aim of this study is to Identify antibiotic resistance gene mutations in Helicobacter pylori (HP) and genetic diversity of drug metabolism for antibiotics and proton pump inhibitors (PPIs) in patients with HP infection using…
- Trial name
- NCT03837990
- Testing
- Helicobacter Pylori eradication therapy
- Where
- South Korea
- Volunteers
- 60 people
- Sponsor
- Seoul National University Hospital
Sexual Dysfunction
Trazodone for SSRI-sexual Dsyfunction
The aim of this study is to investigate the efficacy of trazodone in the treatment of selective serotonin reuptake inhibitor(s) associated sexual dysfunction.
- Trial name
- T-SSRI-SD (NCT01097980)
- Testing
- Trazodone
- Where
- Taiwan
- Volunteers
- 56 people, healthy volunteers welcome
- Sponsor
- Beitou Armed Forces Hospital, Taipei, Taiwan
Postoperative Nausea and Vomiting
Comparison of Palonosetron and Ramosetron for Preventing Patient-controlled Analgesia Related Nausea and Vomiting Following Spine Surgery; Association With ABCB1 Polymorphism
Opioid-based intravenous patient-controlled analgesia (IV-PCA) offers excellent pain control, however, its use inevitably increases the incidence of postoperative nausea and vomiting (PONV).
- Trial name
- NCT02480088
- Testing
- Ramosetron, Palonosetron
- Where
- South Korea
- Volunteers
- 300 people
- Sponsor
- Yonsei University
Attention Deficit-Hyperactivity Disorder
TLR Polymorphism, ASO and Beta-hemolytic Group A Streptococcus Infections in ADHD: an Observational Study
The aim of this observational cross-sectional study is to evaluate the streptococcal infection (clinical history, ASLO title and anti-DNAse title B) and autoimmunity (ABGA antibodies) in a sample of 100 adult patients diagnosed…
- Trial name
- TLR; (NCT04038073)
- Testing
- Antistreptolysin O Test, Anti-Deoxyribonuclease B, TLR, MyD88, IRAK-4 polymorphism
- Where
- Italy
- Volunteers
- 100 people
- Sponsor
- University of Turin, Italy
Nasopharyngeal Carcinoma
Regulation of Blood-Brain Barrier Permeability by APOE Gene Polymorphism and Its Impact on Cognitive Function Post-Radiotherapy in Nasopharyngeal Carcinoma: An MRI Study
adiotherapy-induced cognitive dysfunction is a severe complication following radiotherapy for nasopharyngeal carcinoma (NPC). Our previous studies have demonstrated that abnormalities in brain function and structural connectivity…
- Trial name
- NCT06881225
- Testing
- Using DCE-MRI, fMRI, and DSI, establish a longitudinal brain functional and structural imaging database for three groups of nasopharyngeal carcinoma patients before and 18 months after radiotherapy.
- Where
- China
- Volunteers
- 300 people
- Sponsor
- Sun Yat-sen University
Characterize rs70991108 Polymorphism of DHFR Gene
DHFR 19 bp Deletion Polymorphism and Folic Acid Utilization
A genetic variation in the gene for the protein dihydrofolate reductase (DHFR) that is necessary to utilize folic acid (a synthetic form of the B vitamin folate found in supplements and fortified food), increases the risk for…
- Trial name
- NCT03319979
- Volunteers
- 117 people, healthy volunteers welcome
- Sponsor
- Tufts University
Pain, CYP2D6 Polymorphism
Precision Medicine Guided Treatment for Cancer Pain
Pain is one of the most burdensome symptoms associated with cancer and its treatment, and opioids are the cornerstone of clinical pain management in cancer patients.
- Trial name
- NCT02664350
- Testing
- CYP2D6, Brief Pain Inventory-Short Form (BPI-SF), M.D. Anderson Symptom Inventory (MDASI)
- Where
- 2 sites in United States
- Volunteers
- 63 people
- Sponsor
- University of Florida
Brain and Central Nervous System Tumors, Chronic Myeloproliferative Disorders
Collecting and Storing Blood Samples From Patients With Cancer
RATIONALE: Collecting and storing samples of blood from patients with cancer to test in the laboratory may help the study of cancer in the future.
- Conditions
- Brain and Central Nervous System Tumors, Chronic Myeloproliferative Disorders, Leukemia, Lymphoma
- Trial name
- NCT00900120
- Sponsor
- University of Medicine and Dentistry of New Jersey
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