| Completed | Evaluating Online Messages About Colon Cancer Screening NCT06134089 | University of Utah | — |
| Completed | Split-dose Versus Single-dose Bowel Preparation for Colonoscopy NCT06426745 | Egymedicalpedia | N/A |
| Recruiting | Chinese Colorectal Cancer Database NCT05434026 | Beijing Friendship Hospital | — |
| Unknown | Chemoprophylaxis With Rivaroxaban for Lower Limb Deep Vein Thrombosis in Colorectal Cancer NCT05303818 | Hospital do Servidor Publico Estadual | Phase 4 |
| Unknown | Endocuff With or Without AI-assisted Colonoscopy NCT05133544 | The University of Hong Kong | N/A |
| Completed | Endoscopic Surveillance in Serrated Polyposis Syndrome and Low-risk of Advanced Neoplasia NCT04906343 | Hospital Universitario de Móstoles | N/A |
| Terminated | Volatile Anaesthesia and Perioperative Outcomes Related to Cancer: the VAPOR-C Trial NCT04316013 | Peter MacCallum Cancer Centre, Australia | Phase 3 |
| Recruiting | Butyrophilins Role in Colon Cancer NCT04185272 | Institut Paoli-Calmettes | N/A |
| Active Not Recruiting | ctDNA-guided Surveillance for Stage III CRC, a Randomized Intervention Trial NCT04084249 | Claus Lindbjerg Andersen | N/A |
| Completed | Home-based HIIT to Improve CRC Survivorship: Feasibility and Relationship With Novel Surrogate Biomarkers of C NCT04080414 | University of Utah | N/A |
| Completed | National Registry of Liver First Approach NCT04683783 | Hospital Miguel Servet | — |
| Unknown | R vs L Lateral Decubitus Positioning in Colonoscopy NCT03355495 | Memorial University of Newfoundland | N/A |
| Unknown | Endoscopic Full-Thickness Resection In Colon NCT03803891 | Fundació Institut Germans Trias i Pujol | — |
| Completed | INtracorporeal Versus EXtracorporeal Anastomosis in Robotic Right Colectomy NCT03130166 | Herlev and Gentofte Hospital | N/A |
| Completed | Palbociclib and Cetuximab in Metastatic Colorectal Cancer NCT03446157 | UNC Lineberger Comprehensive Cancer Center | Phase 2 |
| Completed | EMI-137 in Laparoscopic Colonic Resections NCT03360461 | University of Leeds | Phase 2 |
| Unknown | Colectomy for Cancer in the Elderly by Laparoscopy or Laparotomy NCT03033719 | Assistance Publique - Hôpitaux de Paris | N/A |
| Completed | Open Versus Laparoscopic Right Hemicolectomy for Right Colon Cancer NCT04434508 | Mansoura University | N/A |
| Completed | Optical Polyp Testing for In Vivo Classification NCT03139942 | Imperial College London | N/A |
| Completed | Aquamin and Prevention of Colon Cancer NCT02647671 | James Varani | Phase 1 |
| Terminated | Transanal Decompression Tube Versus Stent for Acute Malignant Left-sided Colonic and Rectal Obstruction NCT02585271 | Xuzhou Central Hospital | N/A |
| Completed | Chromoendoscopy for Serrated Polyposis Syndrome NCT03476434 | Hospital Universitario de Móstoles | N/A |
| Terminated | Resection vs no Resection of the Primary in Colorectal Cancer With Unresectable Metastases NCT02015923 | Hospital Universitari de Bellvitge | Phase 4 |
| Completed | Combining Curcumin With FOLFOX Chemotherapy in Patients With Inoperable Colorectal Cancer NCT01490996 | University of Leicester | Phase 1 / Phase 2 |
| Completed | Transversus Abdominis Plane (TAP) Block for Postoperative Analgesia After Laparoscopic Colonic Resection NCT01339273 | Oxford University Hospitals NHS Trust | N/A |
| Completed | AZD6244 With Cetuximab for Solid Tumors and Colorectal Cancer NCT01287130 | National Cancer Institute (NCI) | Phase 1 |
| Completed | Rehabilitation Following Laparoscopic Colonic Surgery NCT00938210 | Aarhus University Hospital | N/A |
| Completed | "Ultra" Enhanced Recovery After Surgery (E.R.A.S.) in Laparoscopic Colectomy for Cancer NCT02727153 | AUSL Romagna Rimini | Phase 3 |
| Active Not Recruiting | A Phase I, Open-Label, Multi-center Study to Assess the Safety, Tolerability and Pharmacokinetics of AZD6244 ( NCT00600496 | AstraZeneca | Phase 1 |
| Completed | Effect of Postoperative Laxative on Bowel Function After Colonic Surgery NCT00427492 | Hvidovre University Hospital | Phase 4 |
| Completed | A Follow-up Colonoscopy Examination in Patients Who Had Previously Undergone Screening Colonoscopy NCT00280332 | Chinese University of Hong Kong | — |