| Not Yet Recruiting | ALgerian Cholecystectomy Outcomes and Determinants Study (AL-CODS) NCT06481007 | University of Oran 1 | — |
| Recruiting | Early DiAgnosis Real-Time Healthcare System for CANcer Trial NCT05064124 | University College, London | — |
| Unknown | Cold Snare Endoscopic Mucosal Resection (C-EMR) Versus Hot Snare Endoscopic Mucosal Resection (H-EMR) for Larg NCT06180798 | Asian Institute of Gastroenterology, India | N/A |
| Unknown | Nexpowder to Prevent Delayed Bleeding After Endoscopic Resection NCT06096948 | Erasme University Hospital | N/A |
| Unknown | A Study to Evaluate 611 in Patients With Chronic Rhinosinusitis With Nasal Polyps NCT05865496 | Sunshine Guojian Pharmaceutical (Shanghai) Co., Ltd. | Phase 2 |
| Active Not Recruiting | CRC Detection Reliable Assessment With Blood NCT05551052 | New Day Diagnostics | — |
| Unknown | A New Ligation Using the Double-loop Clips Technique Versus Traditional Techniques in the Treatment of Large W NCT05042947 | Ningbo No. 1 Hospital | N/A |
| Completed | Optimizing Timing of Follow-up Colonoscopy NCT04889352 | University of Manitoba | N/A |
| Completed | CADDIE Trial - Computer Aided Diagnosis and Detection for Intelligent Endoscopy NCT04325815 | University College, London | — |
| Unknown | Endoscopic Full Thickness Resection Versus Standard Therapy of the Colorectal Neoplasia NCT03868605 | Military University Hospital, Prague | N/A |
| Unknown | Inspection of the Colon Using a Retrograde Viewing Device for Detection of Colorectal Polyps NCT04107376 | University of Erlangen-Nürnberg Medical School | N/A |
| Unknown | Computer Assisted Selection of Serrated Adenomas and Neoplastic Polyps - a New Clinical DRAft NCT03550625 | Technical University of Munich | — |
| Active Not Recruiting | Lifestyle and Dietary Pattern in Relation to Precursor Lesions of Colorectal Cancer and Cardiometabolic Diseas NCT03708952 | Zhejiang University | — |
| Completed | Needlescopic Inversion and Snaring of Hernia in Girls NCT04628455 | Al-Azhar University | N/A |
| Completed | e-Nose and Colorectal Cancer NCT03488537 | Radboud University Medical Center | N/A |
| Completed | AI-EMERGE: Development and Validation of a Multi-analyte, Blood-based Colorectal Cancer Screening Test NCT03688906 | Freenome Holdings Inc. | — |
| Completed | Comparison Between Asymmetric And Standard Split-Dose Regimen For Bowel Preparation NCT03146052 | ASST Rhodense | N/A |
| Completed | BowelScope: Accuracy of Detection Using ENdocuff Optimisation of Mucosal Abnormalities NCT03072472 | South Tyneside and Sunderland NHS Foundation Trust | N/A |
| Unknown | Colorectal Polyps Screening With Low-dose CT Colonoscopy NCT03064828 | Xijing Hospital | N/A |
| Completed | Clinical Validation of Stool DNA-based SDC2 Methylation Test for Colorectal Cancer Detection NCT03146520 | Genomictree, Inc. | — |
| Unknown | Safety and Feasibility of the Tandem Snare Device NCT02754050 | Tandem Technologies LTD | N/A |
| Completed | Point of Care 3D Ultrasound for Various Applications: A Pilot Study NCT02831556 | Duke University | — |
| Unknown | Advanced Endoscopic Imaging in Colonoscopy NCT02929381 | Miroslaw Szura | N/A |
| Completed | A Prospective Study Comparing the Accuracy of Olympus Lucera Spectrum Technology vs Olympus Lucera Elite Techn NCT03073226 | Portsmouth Hospitals NHS Trust | N/A |
| Completed | Prevalence of Small Bowel Polyps in Patients With Sporadic Duodenal Adenomas NCT02470416 | Western Sydney Local Health District | N/A |
| Unknown | Prospective Trial to Compare ADR of G-EYE™ Colonoscopy With Standard Colonoscopy NCT02545699 | Smart Medical Systems Ltd. | N/A |
| Completed | Thin Wire Versus Thick Wire Snare for Cold Snare Polypectomy of Diminutive Polyps NCT02581254 | Western Sydney Local Health District | N/A |
| Completed | Automated Telephone Reminder for Colonoscopy NCT02478918 | Queen's University | N/A |
| Completed | Prospective Trial to Compare the Clinical Efficiency of G-EYE™ HD Colonoscopy With Standard HD Colonoscopy NCT01917513 | Smart Medical Systems Ltd. | N/A |
| Unknown | Role of the Right Portal Pedicle and Rouviere's Sulcus as an Anatomic Landmark in Laparoscopic Cholecystectomy NCT02133027 | Zhujiang Hospital | N/A |
| Completed | CRC Screening Using mSEPT9 (Methylated Septin 9) in Chinese Population NCT02540850 | BioChain (Beijing) Science and Technology, Inc. | — |
| Completed | Patient Satisfaction With Propofol for Out Patient Colonoscopy NCT02937506 | Mount Carmel Health System | Phase 4 |
| Completed | Systematic Wide-Field EMR Scar Assessment and Therapy Audit NCT02617992 | Western Sydney Local Health District | — |
| Completed | Recto Colonic Endoscopic Mucosal Resection and Polypectomy Under Clopidogrel NCT01807169 | Centre Hospitalier Universitaire de Nice | Phase 4 |
| Completed | Trial on Innovative Technologies in Colonoscopy NCT01688557 | Jagiellonian University | N/A |
| Completed | Endoscopic Mucosal Colonic Resection and Polypectomy Under Aspirin NCT01481337 | Société Française d'Endoscopie Digestive | — |
| Completed | Prospective Comparison of the Diagnostic Yield of Small Bowel Pillcam SB2 and Capsocam Capsule NCT01820182 | Hôpital Edouard Herriot | N/A |
| Completed | MyoSure Hysteroscopic Tissue Removal System Registry Study NCT01369758 | Hologic, Inc. | N/A |
| Completed | HOME Study: Hysteroscopic Office Myomectomy Evaluation NCT01152112 | Hologic, Inc. | N/A |
| Completed | Carbon Dioxide During Screening Unsedated Colonoscopy NCT01461564 | Jagiellonian University | Phase 4 |
| Completed | A New Alternative to Traditional Hysteroscopy NCT01430208 | Catholic University of the Sacred Heart | N/A |
| Completed | Comparative Sedation Study of the MyoSure Hysteroscopic Tissue Removal System NCT00979342 | Hologic, Inc. | N/A |
| Unknown | Comparison Between HD+ Endoscopy and Standard Videoendoscopy in Screening Colonoscopy NCT00792649 | Johannes Gutenberg University Mainz | — |
| Completed | Evaluation of an Endoscopic Suturing System for Tissue Apposition in Colonic Polypectomy NCT00553436 | Ethicon Endo-Surgery | N/A |
| Completed | Cap-fitted Colonoscopy: a Randomized, Tandem Colonoscopy Study of Adenoma Miss Rates NCT00577083 | Indiana University | N/A |
| Completed | Magnetic Resonance (MR) Colonography With Fecal Tagging NCT00114842 | Herlev Hospital | Phase 4 |
| Completed | MR Colonography With Fecal Tagging. Barium vs. BariumFerumoxsil NCT00332943 | Herlev Hospital | Phase 4 |
| Completed | Adenoma Detection Rate With Position Change at Colonoscopy NCT00234650 | London North West Healthcare NHS Trust | N/A |
| Unknown | Experience and Enhancement: Improving Colonoscopic Polyp Detection NCT00237276 | London North West Healthcare NHS Trust | N/A |
| Unknown | Evaluation of Stool Tagging for Improved Patient Compliance NCT00124163 | Center for Diagnostic Imaging | — |
| Unknown | Hysteroscopic Monopolar and Bipolar Resection NCT00323999 | Ullevaal University Hospital | N/A |
| Completed | FishGastro Study: Fish Consumption and Gastro-Intestinal Health NCT00145015 | Quadram Institute Bioscience | N/A |
| Completed | Vitamin D/Calcium Polyp Prevention Study NCT00153816 | Dartmouth-Hitchcock Medical Center | Phase 2 / Phase 3 |
| Completed | Aspirin/Folate Prevention of Large Bowel Polyps NCT00272324 | Dartmouth-Hitchcock Medical Center | Phase 2 / Phase 3 |
| Completed | Polyp Prevention Trial NCT00339625 | National Cancer Institute (NCI) | Phase 3 |