NCT00260585 2025-04-16Esophageal Cancer Risk RegistryUniversity of PittsburghRecruiting7,000 enrolled
NCT04312633 2024-08-21Clinical Utility of WATS3D: A 5-Year Prospective StudyCDx DiagnosticsRecruiting90,000 enrolled
NCT02988934 2023-02-08The WATS3D (Wide Area Transepithelial Sample Biopsy With 3-Dimensional Computer-Assisted Analysis) U.S. RegistryCDx DiagnosticsTerminated3,173 enrolled
NCT03859557 2019-03-01The Evaluation of Patients With Esophageal and Foregut Disorders With WATS (Wide Area Transepithelial Sample With 3-Dimensional Computer-Assisted Analysis) vs. 4-Quadrant Forceps BiopsyCDx DiagnosticsCompleted1,032 enrolled
NCT01438385 2017-02-20Interventional Endoscopy Database for Pancreatico-biliary, Gastrointestinal and Esophageal DisordersWeill Medical College of Cornell UniversityUnknown12,000 enrolled