| Confocal Laser Endomicroscopy With Topical Cresyl Violet for Colorectal Polyps (NCT03620695) | Shandong University | 2018-06-01 |
| Automatic Classification of Colorectal Polyps Using Probe-based Endomicroscopy With Artificial Intelligence (NCT03787784) | Shandong University | 2018-05-01 |
| Comparison of Cold Biopsy Forceps vs Cold Snare for Diminutive Colorectal Polyp Removal (NCT04727918) | Gabriel RAHMI | 2017-10-05 |
| The Colorectal Breath Analysis (COBRA) Study (NCT03699163) | Imperial College London | 2017-06-03 |
| Evalution of Optical Enhancement With Magnification for Polyop Histology (NCT02929641) | Shandong University | 2016-08-01 |
| Efficacy of NICE Classification in the Histological Evaluation of Colorectal Lesions (NCT02033980) | Shanghai Jiao Tong University School of Medicine | 2016-05-01 |
| A Trial of an Audit and Feedback Report to Improve Colonoscopy Performance (NCT02595775) | Sunnybrook Health Sciences Centre | 2015-09-01 |
| Endocuff-assisted Versus Cap-assisted Versus Standard Colonoscopy (NCT02331836) | Helios Albert-Schweitzer-Klinik Northeim | 2015-02-01 |
| Effectiveness of Cold Biopsy Forceps With Pre-lift for Complete Resection of Colonic Polyps ≤7mm in Size (NCT02354287) | Gloucestershire Hospitals NHS Foundation Trust | 2015-02-01 |
| Early Detection of Tumors of the Digestive Tract by Confocal Endomicroscopy (NCT02284802) | Fauze Maluf Filho | 2014-09-10 |
| Water-aided Colonoscopy vs Air Insufflation Colonoscopy in Colorectal Cancer Screening (NCT02041507) | Presidio Ospedaliero Santa Barbara | 2014-02-01 |
| Free-residue Nutrients for the Bowel Preparation of Colon Capsule Endoscopy (NCT02887573) | Kaichun Wu | 2014-01-01 |
| Complete Removal of Neoplastic Large Colorectal Polyps: a Prospective Randomized Comparison of Endoscopic Mucosal Resection or Conventional Polypectomy (NCT01950117) | Showa Inan General Hospital | 2013-09-01 |
| Confocal Endomicroscopy for GI Neoplasia Study (NCT01515514) | Mayo Clinic | 2012-08-01 |
| Prospective Comparison of Cold Polypectomy and Conventional Polypectomy for Small Colorectal Polyps in Patients Taking Antithrombotic Agents (NCT01553565) | Showa Inan General Hospital | 2012-03-01 |
| Virtual Chromoendoscopy for Distal Polyps (NCT02217449) | University of Erlangen-Nürnberg Medical School | 2011-01-01 |
| Endoscopic Quality Improvement Program (NCT01415817) | Mayo Clinic | 2010-08-01 |
| Computer-based Classification of Colorectal Polyps Using Narrow-band Imaging (NCT01262248) | Tischendorf, Jens, M.D. | 2010-05-01 |
| Does Inspection During Insertion Improve Adenoma Yields During Colonoscopy? (NCT01035775) | Indiana University | 2009-12-01 |
| The Effect of Bowel Preparation Status on the Polyp Missing Rate (NCT00988676) | Konkuk University Hospital | 2009-05-01 |
| Comparison of Two Types of Biopsy Forceps for Obtaining Cold Biopsy Polypectomy for Small Sessile Colorectal Polyps Less Than 6 mm in Diameter (NCT00855790) | University of Florida | 2008-12-01 |
| Urine Metabolomics and Colorectal Cancer Screening (NCT01486745) | University of Alberta | 2008-09-15 |
| Discard:Characterisation of Colonic Polyps in Vivo (NCT00888771) | Imperial College London | 2008-08-01 |
| General Surgical Outcomes Quality Improvement Database (UH-SOCRATES) (NCT00622557) | University Hospitals Cleveland Medical Center | 2007-05-01 |
| Effect of Vitamin D and Calcium on Genes in the Colon (NCT00298545) | Rockefeller University | 2005-11-01 |
| Virtual Colonoscopy (VC) for Primary Colorectal Screening (NCT00204867) | University of Wisconsin, Madison | 2004-07-01 |
| Colorectal Polypectomy Upon Insertion And Withdrawal Or Upon Withdrawal Only? (NCT01607827) | University of Zurich | 2004-04-01 |