Chemoprevention of Gastric Carcinogenesis |
Eflornithine, Eflornithine placebo |
Active, not recruiting |
Simvastatin in Preventing Liver Cancer in Patients With Liver Cirrhosis |
Questionnaire Administration, Simvastatin, Placebo Administration, Biospecimen Collection, Computed Tomography, Magnetic Resonance Imaging |
Active, not recruiting |
Curcumin in Preventing Gastric Cancer in Patients With Chronic Atrophic Gastritis or Gastric Intestinal Metaplasia |
Curcumin, Laboratory Biomarker Analysis, Quality-of-Life Assessment, Placebo Administration |
Active, not recruiting |
DNA Vaccine Therapy in Treating Patients With Chronic Hepatitis C Virus Infection |
Electroporation-Mediated Plasmid DNA Vaccine Therapy, HCV DNA Vaccine INO-8000, Laboratory Biomarker Analysis, Quality-of-Life Assessment, Rocakinogene Sifuplasmid |
Active, not recruiting |
Vaccine Therapy in Treating Patients With Newly Diagnosed Advanced Colon Polyps |
Laboratory Biomarker Analysis, MUC1 Peptide-Poly-ICLC Vaccine, Quality-of-Life Assessment, Saline |
Active, not recruiting |
Aspirin in Preventing Colorectal Cancer in Patients With Colorectal Adenoma |
Aspirin, Questionnaire Administration, Placebo Administration, Biospecimen Collection, Rectal Biopsy |
Active, not recruiting |
Defined Green Tea Catechin Extract in Preventing Liver Cancer in Participants With Cirrhosis |
Defined Green Tea Catechin Extract, Laboratory Biomarker Analysis, Pharmacological Study, Questionnaire Administration, Biopsy, Biospecimen Collection, Computed Tomography, Magnetic Resonance Imaging, Ultrasound |
Active, not recruiting |
Aspirin in Preventing Disease Recurrence in Patients With Barrett Esophagus After Successful Elimination by Radiofrequency Ablation |
Aspirin, Laboratory Biomarker Analysis, Questionnaire Administration, Placebo Administration |
Active, not recruiting |
ASPirin Intervention for the REDuction of Colorectal Cancer Risk |
Placebo for Aspirin, Aspirin |
Active, not recruiting |
GCC Agonist Signal in the Small Intestine |
Biopsy, Biospecimen Collection, Esophagogastroduodenoscopy, Linaclotide, Plecanatide |
Recruiting |