| 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 |
| Testing Atorvastatin to Lower Colon Cancer Risk in Longstanding Ulcerative Colitis |
Atorvastatin Calcium, Biopsy of Colon, Biospecimen Collection, Placebo Administration, Questionnaire Administration |
Recruiting |
| Testing Obeticholic Acid for Familial Adenomatous Polyposis |
Biopsy, Biospecimen Collection, Gastrointestinal Endoscopy, Obeticholic Acid, Placebo Administration, Questionnaire Administration |
Recruiting |
| Testing a Combination of Vaccines for Cancer Prevention in Lynch Syndrome |
Adenovirus 5 CEA/MUC1/Brachyury Vaccine Tri-Ad5, Biopsy, Biospecimen Collection, Colonoscopy, Nogapendekin Alfa, Placebo Administration, Questionnaire Administration |
Recruiting |
| Testing the Efficacy of Topical Calcipotriene Plus 5-Fluorouracil Combination to Activate the Immune System Against Precancerous Skin Lesions in Organ Transplant Recipients |
Biopsy, Calcipotriene, Fluorouracil |
Recruiting |
| Obeticholic Acid for Prevention in Barrett's Esophagus |
Biospecimen Collection, Esophageal Biopsy, Esophagogastroduodenoscopy, Liver Ultrasonographic Elastography, Obeticholic Acid, Placebo Administration, Questionnaire Administration |
Recruiting |
| Evaluation of Broccoli Seed and Sprout Extract for Detoxification of Carcinogens in Firefighters |
Biospecimen Collection, Broccoli Sprout/Broccoli Seed Extract Supplement, Placebo Administration, Questionnaire Administration, Training |
Recruiting |