| Not Yet Recruiting | Pre-cut Versus Intentional Double Guidewire for ERCP Cannulation: Prospective, Randomized Controlled Trial NCT07329803 | Asian Institute of Gastroenterology, India | N/A |
| Not Yet Recruiting | Spanish Registry of Direct Cholangiopancreatoscopy by Single Operator NCT07064447 | Germans Trias i Pujol Hospital | — |
| Not Yet Recruiting | Digital Single-operator Cholangioscopy and Intraductal Ultrasound for Nonicteric Biliary Strictures NCT06369896 | Soonchunhyang University Hospital | — |
| Recruiting | Evaluation of diagnostiC Capacity of eccDNAs as Biomarkers in Indetermined biLiary Stricture(ECCBILE) NCT06277531 | Peking University Third Hospital | — |
| Completed | A Study of Endobiliary Radiofrequency Ablation in Malignant Biliary Obstructions NCT05826639 | Mayo Clinic | — |
| Recruiting | Real-Time Cholangioscopy Artificial Intelligence Evaluation of Biliary Strictures NCT05779436 | Mayo Clinic | — |
| Recruiting | Raman Spectroscopy in the Diagnosis of Extrahepatic Cholangiocarcinoma - a Pilot Study NCT06964425 | University Hospital Olomouc | N/A |
| Recruiting | Diagnosis and Percutaneous Treatment of Biliary Tract Diseases NCT06816615 | IRCCS Azienda Ospedaliero-Universitaria di Bologna | N/A |
| Completed | Percutaneous Biodegradable Biliary Stents for the Treatment of Benign Biliary Strictures. NCT05556668 | Corporacion Parc Tauli | — |
| Unknown | Microbiological Assessment of Bile in Patients Undergone to Endoscopic Retrograde Cholangiography (ERCP): the NCT06115564 | Azienda Unità Sanitaria Locale della Romagna | — |
| Recruiting | Evaluation of the Use of a Biodegradable Endoprothesis in the Prevention of Post-Endoscopic Retrograde Choloan NCT03977779 | Institut Paoli-Calmettes | N/A |
| Unknown | Endoscopic Scissors Cutting Nasobiliary Duct VS Bilateral Plastic Stent NCT06106750 | First People's Hospital of Hangzhou | N/A |
| Active Not Recruiting | Percutaneous Cholangiopancreatoscopy Registry NCT05210322 | Johns Hopkins University | — |
| Completed | Needle Knife Fistulotomy Versus Partial Ampullary Endoscopic Mucosal Resection for Difficult Biliary Cannulati NCT05068739 | Duzce University | N/A |
| Unknown | ENHANCED RECOVERY AFTER BILIARY TRACT SURGERY NCT04633382 | Vitebsk State Medical University | N/A |
| Enrolling By Invitation | Prospective Evaluation of Biliary Tissue Sampling with ERCP NCT04572711 | Mayo Clinic | — |
| Completed | Multicenter RCT for BIliary Brushing: RX Cytology, BOSTON vs. Infinity®, US Endoscopy NCT04251013 | Société Française d'Endoscopie Digestive | N/A |
| Unknown | FISH in Diagnosis of Biliary Stricture NCT04391153 | University Hospital Olomouc | N/A |
| Recruiting | Endoscopic Management of Non-anastomotic Biliary Strictures Following Liver Transplantation. NCT05761483 | Fondazione Policlinico Universitario Agostino Gemelli IRCCS | — |
| Completed | Metal and Plastic Biliary Stents to Drain Malignant Distal Biliary Strictures. NCT05761496 | Fondazione Policlinico Universitario Agostino Gemelli IRCCS | — |
| Unknown | DIGEST I Drug Coated Balloon for Biliary Stricture NCT03997994 | GIE Medical | N/A |
| Unknown | Volumetric Laser Endomicroscopy's (VLE) Diagnostic Accuracy Validation Study: Impact on Clinical Management St NCT03951324 | Innovative Digestive Health Education and Research Inc | — |
| Unknown | Primary Cholangioscopy Versus ERCP in the Diagnosis of Biliary Strictures NCT04010734 | University Hospital Olomouc | N/A |
| Unknown | Self-expandable Metal Stents Versus Multiple Plastic Stents for Palliation of Biliary Obstruction NCT03821025 | University of Cape Town | N/A |
| Unknown | Kaffes Stent in the Management of Post-surgical Biliary Strictures NCT03716232 | Cairo University | Phase 3 |
| Completed | Biliary Complications in Live Donor Liver Transplantation NCT03673033 | Inonu University | — |
| Completed | MicroRNAs as Bile-based Biomarkers in Pancreaticobiliary Cancers NCT06258824 | Imperial College London | — |
| Unknown | Evaluation of Sequential Stent Addition vs. Incremental Dilation & Stent Exchange for Management of Anastomoti NCT03229655 | Stanford University | N/A |
| Terminated | A Trial of Percutaneous vs. Endoscopic Drainage of Suspected Klatskin Tumors NCT03172832 | Medical University of South Carolina | N/A |
| Unknown | Diagnostic Accuracy of ERCP-guided Versus Cholangioscopy-guided Tissue Acquisition in Patients With Indetermin NCT03140007 | Asian Institute of Gastroenterology, India | N/A |
| Completed | Primary Needle Knife Fistulotomy Versus Conventional Cannulation Method NCT02916199 | Gangnam Severance Hospital | N/A |
| Completed | Cholangioscopy With Spyglass DS Using Percutaneous Transhepatic Cholangiography Access NCT06096129 | Rigshospitalet, Denmark | — |
| Completed | DNA Methylation Biomarker for Diagnosis of Cholangiocarcinoma in Patients With Bile Duct Stricture NCT04568512 | Mahidol University | N/A |
| Active Not Recruiting | Single-operator Digital Cholangioscopy for the Diagnosis of Malignant and Benign Biliary Strictures NCT03307382 | Chinese University of Hong Kong | N/A |
| Completed | Percutaneous Transluminal Forceps Biopsy NCT06039670 | University Hospital, Caen | — |
| Completed | SpyGlass AMEA Registry NCT02281019 | Boston Scientific Corporation | — |
| Unknown | Multibending vs Conventional Endoscope for Direct Peroral Cholangioscopy NCT02189421 | Soonchunhyang University Hospital | N/A |
| Unknown | Covered Metal Stent for Benign Biliary Stricture Caused by Chronic Pancreatitis NCT01929538 | Helsinki University Central Hospital | N/A |
| Completed | WallFlex Biliary Fully Covered (FC) Chronic Pancreatitis Study NCT01543256 | Boston Scientific Corporation | N/A |
| Completed | Effect of Short Message Service Intervention on Stent Removal/Exchange Adherence in Patients With Benign Pancr NCT02041390 | Air Force Military Medical University, China | N/A |
| Unknown | Photodynamic Therapy (PDT) for Palliation of Cholangiocarcinoma NCT01755013 | Weill Medical College of Cornell University | Phase 2 / Phase 3 |
| Unknown | T-EUS for Gastrointestinal Disorders: A Multicenter Registry NCT01522573 | Weill Medical College of Cornell University | — |
| Unknown | Photodynamic Therapy (PDT) Cholangiocarcinoma Registry NCT01524146 | Weill Medical College of Cornell University | — |
| Completed | Prospective Evaluation of Winged Biliary Stent Patency in Patients With Benign Biliary Obstruction NCT03115411 | Stanford University | N/A |
| Unknown | Radio Frequency Ablation in the Management of Pancreatico-biliary Disorders: A Multicenter Registry NCT01439698 | Weill Medical College of Cornell University | — |
| Terminated | Efficacy and Safety of the Paclitaxel Eluting Covered Biliary Stent to the Common Covered Metallic Biliary Ste NCT01413386 | Jong Taek, Lee | N/A |
| Completed | The Diagnostic Value of Combinatory EUS and ERCP in Unclear Lesions NCT03504293 | Sahlgrenska University Hospital | — |
| Completed | WallFlex Biliary Fully Covered (FC) Benign Stricture Study NCT01014390 | Boston Scientific Corporation | Phase 3 |
| Completed | Self-expandable Metallic Stent Versus Multiple Plastic Stents in Post Orthotopic Liver Transplantation Biliary NCT01148199 | Hospital Israelita Albert Einstein | Phase 2 / Phase 3 |
| Terminated | Confocal Endomicroscopy for Biliary Strictures -Phase I NCT00892632 | Mayo Clinic | N/A |
| Completed | Optical Frequency Domain Imaging (OFDI) for Biliary Stricture Imaging NCT01439620 | Massachusetts General Hospital | N/A |
| Completed | Factors Predicting Positive Yields on Biliary Brush Cytology During Endoscopic Retrograde Cholangiopancreatogr NCT00894348 | The Cleveland Clinic | — |
| Unknown | Endoscopic Treatment of Biliary Stricture Caused by Chronic Pancreatitis NCT01085747 | Helsinki University Central Hospital | — |
| Completed | Fully Covered Self-expandable Metal Stents (FCMS) in Benign Biliary Strictures NCT02105181 | Société Française d'Endoscopie Digestive | N/A |
| Completed | Patency and Safety of the Drug Eluting Covered Biliary Stent Comparing to the Common Covered Biliary Stent NCT01512563 | Taewoong Medical Co., Ltd. | N/A |
| Completed | Endoscopic Treatment of Biliary Strictures After LTX: Balloon Dilatation Versus Stent Placement NCT00487201 | University of Ulm | N/A |