A Study to Compare Two Surgical Procedures in Individuals With BRCA1 Mutations to Assess Reduced Risk of Ovarian Cancer |
Bilateral Salpingectomy, Bilateral Salpingectomy with Oophorectomy, Biospecimen Collection, Quality-of-Life Assessment, Questionnaire Administration, Transvaginal Ultrasound |
Recruiting |
Bio-Repository of High Risk Cohorts for the Early Detection of Pancreas Cancer |
Bio-Specimen Collection |
Recruiting |
A Study of miRNA 371 in Patients With Germ Cell Tumors |
Biomarker Analysis, Blood Product Collection |
Recruiting |
Esophageal Cancer Risk Registry |
Biopsies, oral (saliva) and/or secretions, washings or mucosal scrapings/brushing from routine clinical surveillance endoscopies, Biopsy of esophageal/stomach tissue, lymph nodes, tumor, Blood specimen for non-DNA and DNA parts, Survey of client health, personal habits, family history |
Recruiting |
Metformin for Chemoprevention of Lung Cancer in Overweight or Obese Individuals at High Risk for Lung Cancer |
Biopsy, Biospecimen Collection, Bronchoscopy, Extended Release Metformin Hydrochloride, Questionnaire Administration |
Recruiting |
Defined Green Tea Catechin Extract in Preventing Liver Cancer in Participants With Cirrhosis |
Biopsy, Biospecimen Collection, Computed Tomography, Defined Green Tea Catechin Extract, Laboratory Biomarker Analysis, Magnetic Resonance Imaging, Pharmacological Study, Questionnaire Administration, Ultrasound |
Active, not recruiting |
GCC Agonist Signal in the Small Intestine |
Biopsy, Biospecimen Collection, Esophagogastroduodenoscopy, Linaclotide, Plecanatide |
Recruiting |
Metformin for the Prevention of Oral Cancer in Patients With Oral Leukoplakia or Erythroplakia |
Biopsy, Biospecimen Collection, Extended Release Metformin Hydrochloride, Placebo Administration |
Recruiting |
Testing Obeticholic Acid for Familial Adenomatous Polyposis |
Biopsy, Biospecimen Collection, Gastrointestinal Endoscopy, Obeticholic Acid, Placebo Administration, Questionnaire Administration |
Recruiting |
Finding the Best Tamoxifen Dose for Breast Cancer Risk Reduction in Premenopausal Women, RENAISSANCE Trial |
Biopsy, Biospecimen Collection, Mammography, Questionnaire Administration, Tamoxifen |
Not yet recruiting |