| Not Yet Recruiting | Imaging the Colon Using a Colonoscope Compatible Imaging Probe NCT07365436 | Massachusetts General Hospital | N/A |
| Not Yet Recruiting | Recurrence After Gastric and Intestinal Polyp Resection NCT07314554 | LanZhou University | — |
| Not Yet Recruiting | Impact of Computer-aided Detection System on the Proximal Adenoma Miss Rate NCT07308743 | Nanfang Hospital, Southern Medical University | N/A |
| Recruiting | Impact of Artificial Intelligence on Trainee Polyp Miss Rates NCT06676930 | Northwestern University | N/A |
| Completed | Clinical Study to Compare Cold Snare Underwater Polypectomy to Cold Snare Conventional Polypectomy for Colon P NCT05273697 | National and Kapodistrian University of Athens | N/A |
| Unknown | Retroflexion in the Entire Colon for the Detection of Colon-related Diseases NCT03735953 | Second Affiliated Hospital of Xi'an Jiaotong University | N/A |
| Completed | 9 Minutes for Colonoscopy Withdrawal NCT03399045 | Changhai Hospital | N/A |
| Completed | Comparison of Colon Adenoma Detection Rate Using Two Distal Colonoscope Attachments NCT02665741 | University of California, Davis | N/A |
| Completed | Plasma ctDNA in Patients Undergoing Diagnostic Colonoscopy NCT02665299 | Pathway Genomics | — |
| Completed | Same Day Bidirectional Endoscopies - Does the Sequence of Procedures or Choice of Insufflator Matter? NCT02635217 | Queen's University | N/A |
| Completed | Real-time Diagnosis of Colorectal Polyps Using Narrow-Band Imaging NCT02516748 | Seoul National University Hospital | — |
| Unknown | Prospective Study of Colonoscopic Resection of Large Polyps and Flat Lesions NCT02332772 | M.D. Anderson Cancer Center | — |
| Recruiting | Prospective Study of Colon Serrated Polyps NCT02332785 | M.D. Anderson Cancer Center | — |
| Completed | Predictors of Unsuccessful Endoscopic Mucosal Resection of Complex Colon Polyps NCT02782793 | Northwestern University | — |
| Completed | Study of KCC Peptide Application in the Colon NCT02156557 | Danielle Kim Turgeon | Phase 1 |
| Completed | A Prospective Trial of an Endoscopic Quality Improvement Project NCT02325635 | Mayo Clinic | N/A |
| Unknown | The Clinical Study on Combizym and Bifidobacteri to Prevent the Recurrence of Colon Polyps NCT02097394 | RenJi Hospital | Phase 4 |
| Completed | Safety of Endoscopic Resection of Large Colorectal Polyps: A Randomized Trial. NCT01936948 | White River Junction Veterans Affairs Medical Center | N/A |
| Unknown | Right Sided Colon Polyp Miss Rate: Impact Of Retroflexion In The Right Colon NCT01704820 | Washington University School of Medicine | N/A |
| Unknown | Prospective Study for Evaluating Colon Polyp Histology With in Vivo Probe Based Confocal Laser Endomicroscopy NCT01214031 | Midwest Biomedical Research Foundation | N/A |
| Completed | Comparing Cold Biopsy Forceps Versus Cold Snare Biopsy for Colon Polyps NCT01665898 | Incheon St.Mary's Hospital | N/A |
| Completed | Difficult Colon Polypectomies NCT01504425 | Clinical Hospital Colentina | — |
| Completed | PeerScope B System™ Clinical Protocol NCT01483040 | PeerMedical Ltd. | N/A |
| Completed | Physical Activity Intervention With People at Increased Risk of Developing Colon Cancer NCT02724306 | University of East Anglia | N/A |
| Completed | Colorectal Polyp Discrimination Using High-Definition Narrow Band Imaging NCT01354873 | Mayo Clinic | — |
| Terminated | Evaluation of a Low-Cost High Resolution Microendoscope for the Detection of Lower Gastrointestinal Neoplasia NCT01384240 | Anandasabapathy, Sharmila, M.D. | EARLY_Phase 1 |
| Completed | Laparascopic Assisted Colonoscopic Polypectomy NCT01986699 | Stony Brook University | — |
| Completed | A Pilot Randomized Trial of Polypectomy Techniques for 4-6 mm Colonic Polyps NCT04666194 | Indiana University | N/A |
| Unknown | Cap Assisted Colonoscopy for the Detection of Colon Polyps NCT01211132 | American Society for Gastrointestinal Endoscopy | N/A |
| Completed | Factors Associated With Short Withdrawal Time and Polyp Detection Rate During Colonoscopy NCT01487356 | University of British Columbia | — |
| Completed | Early Post-Op Recovery After Partial Large Bowel Resection NCT00492193 | University Hospitals Cleveland Medical Center | — |
| Completed | An Assessment of Goal-Directed Intraoperative Fluid Management in Hand Assisted Laparoscopic Colectomy NCT00467922 | Corewell Health West | Phase 3 |
| Withdrawn | Reduction of Conscious Sedation Requirements by Olfactory Stimulation NCT00417001 | United States Naval Medical Center, Portsmouth | N/A |
| Completed | Detection and Classification of Colon Polyps NCT00825292 | Mayo Clinic | Phase 2 |
| Completed | Prevalence and Topography of Adenomas in 40-49 Year Old Patients With a Family History of Colon Cancer NCT02289053 | University of Michigan | — |
| Terminated | A Study of AQUAVAN® Injection Versus Midazolam HCl for Sedation in Elderly Patients Undergoing Elective Colono NCT00209599 | Eisai Inc. | Phase 2 |
| Completed | A Study of AQUAVAN® Injection Versus Midazolam HCl for Sedation in Patients Undergoing Elective Colonoscopy NCT00209573 | Eisai Inc. | Phase 3 |
| Completed | A Study of AQUAVAN® Injection in the Presence of Pre-Medication in Patients Undergoing Elective Colonoscopy NCT00209534 | Eisai Inc. | Phase 2 |