| Impact of Automatic Polyp Detection System on Adenoma Detection Rate (NCT03967756) | Changhai Hospital | 2019-06-01 |
| 9 Minutes for Colonoscopy Withdrawal (NCT03399045) | Changhai Hospital | 2018-01-20 |
| Primary Chemoprevention of Familial Adenomatous Polyposis With Berberine Hydrochloride (NCT03333265) | Xijing Hospital of Digestive Diseases | 2017-09-01 |
| A Research of Berberine Hydrochloride to Prevent Colorectal Adenomas in Patients With Previous Colorectal Cancer (NCT03281096) | Xijing Hospital of Digestive Diseases | 2017-08-29 |
| Endoscopic Full Thickness Resection in the Lower GI Tract With the "Full Thickness Resection Device" (NCT02362126) | Kliniken Ludwigsburg-Bietigheim gGmbH | 2015-02-01 |
| Endocuff-assisted Versus Cap-assisted Versus Standard Colonoscopy (NCT02331836) | Helios Albert-Schweitzer-Klinik Northeim | 2015-02-01 |
| Water-aided Colonoscopy vs Air Insufflation Colonoscopy in Colorectal Cancer Screening (NCT02041507) | Presidio Ospedaliero Santa Barbara | 2014-02-01 |
| Comparison of Methods to Distend the Colon During Insertion: CO2, Air Insufflation, Water-aided Colonoscopy (NCT01954862) | Presidio Ospedaliero Santa Barbara | 2013-10-01 |
| A Comparison of Air Insufflation, Water Immersion and Water Exchange Colonoscopy in Diagnostic Patients (NCT01781650) | Presidio Ospedaliero Santa Barbara | 2013-03-01 |
| Pilot Study of a National Screening Programme for Bowel Cancer in Norway (NCT01538550) | Norwegian Institute of Public Health | 2012-03-01 |
| Double-balloon Colonoscopy to Increase Colonoscopy Completion Rate (NCT01587872) | Sorlandet Hospital HF | 2011-10-01 |
| Antioxidant Supplement and Reduction of Metachronous Adenomas of the Large Bowel: a Double Blind Randomized Trial (NCT01437826) | IRCCS Azienda Ospedaliera Universitaria San Martino - IST Istituto Nazionale per la Ricerca sul Cancro, Genoa, Italy | 1988-03-01 |