- Conditions
- Advanced Bile Duct Carcinoma, Stage II Esophageal Cancer AJCC v7, Stage II Pancreatic Cancer AJCC v6 and v7, Stage IIA Esophageal Cancer AJCC v7, Stage IIA Pancreatic Cancer AJCC v6 and v7, Stage IIB Esophageal Cancer AJCC v7, Stage IIB Pancreatic Cancer AJCC v6 and v7, Stage III Colon Cancer AJCC v7, Stage III Esophageal Cancer AJCC v7, Stage III Gastric Cancer AJCC v7, Stage III Liver Cancer, Stage III Pancreatic Cancer AJCC v6 and v7, Stage III Rectal Cancer AJCC v7, Stage III Small Intestinal Cancer AJCC v7, Stage IIIA Colon Cancer AJCC v7, Stage IIIA Esophageal Cancer AJCC v7, Stage IIIA Gastric Cancer AJCC v7, Stage IIIA Rectal Cancer AJCC v7, Stage IIIA Small Intestinal Cancer AJCC v7, Stage IIIB Colon Cancer AJCC v7, Stage IIIB Esophageal Cancer AJCC v7, Stage IIIB Gastric Cancer AJCC v7, Stage IIIB Rectal Cancer AJCC v7, Stage IIIB Small Intestinal Cancer AJCC v7, Stage IIIC Colon Cancer AJCC v7, Stage IIIC Esophageal Cancer AJCC v7, Stage IIIC Gastric Cancer AJCC v7, Stage IIIC Rectal Cancer AJCC v7, Stage IV Colon Cancer AJCC v7, Stage IV Esophageal Cancer AJCC v7, Stage IV Gastric Cancer AJCC v7, Stage IV Liver Cancer, Stage IV Pancreatic Cancer AJCC v6 and v7, Stage IV Rectal Cancer AJCC v7, Stage IV Small Intestinal Cancer AJCC v7, Stage IVA Colon Cancer AJCC v7, Stage IVA Liver Cancer, Stage IVA Rectal Cancer AJCC v7, Stage IVB Colon Cancer AJCC v7, Stage IVB Liver Cancer, Stage IVB Rectal Cancer AJCC v7
- Interventions
- Intensity-Modulated Radiation Therapy, Laboratory Biomarker Analysis, Pharmacological Study, Ropidoxuridine
- Radiation · Other · Drug
- Lead sponsor
- National Cancer Institute (NCI)
- NIH
- Eligibility
- 18 Years and older
- Enrollment
- 19 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2027
- U.S. locations
- 1
- States / cities
- Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Apr 12, 2026 · Synced May 21, 2026, 6:32 PM EDT