| Rural Colon Cancer Screening Toolkit Intervention (NCT04651504) | Washington University School of Medicine | 2020-12-02 |
| Evaluating the Shared Decision Making Process Scale in Cancer Screening Decisions (NCT04601272) | Massachusetts General Hospital | 2020-09-29 |
| An Interactive Video Educational Tool Improves the Quality of Bowel Preparation for Colonoscopy (NCT04491565) | Washington University School of Medicine | 2019-11-13 |
| PROgastrine COlon DEpistage (NCT03775473) | ECS-Progastrin SA | 2019-02-07 |
| Retroflexion in the Entire Colon for the Detection of Colon-related Diseases (NCT03735953) | Second Affiliated Hospital of Xi'an Jiaotong University | 2018-10-01 |
| Comparison of Colon Adenoma Detection Rate Using Two Distal Colonoscope Attachments (NCT02665741) | University of California, Davis | 2016-01-01 |
| Right Sided Colon Polyp Miss Rate: Impact Of Retroflexion In The Right Colon (NCT01704820) | Washington University School of Medicine | 2012-09-01 |
| Johns Hopkins Interactive eGuide to Colonoscopy and Ipad Office Education to Improve Colonoscopy (NCT01648504) | Johns Hopkins University | 2012-06-01 |
| Online Programs to Promote Colon Cancer Screening (NCT01411826) | The University of Texas Health Science Center, Houston | 2011-07-01 |
| Experimental Device to Improve Colonoscopy (NCT00719641) | National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) | 2008-08-05 |
| Reduction of Conscious Sedation Requirements by Olfactory Stimulation (NCT00417001) | United States Naval Medical Center, Portsmouth | 2006-10-01 |