Cholangiopancreatography, Endoscopic Retrograde Clinical Trial
Official title:
Randomized Trial of Spyglass Guided Laser Lithotripsy Versus Dilation-Assisted Stone Extraction for the Endoscopic Removal of Difficult Large Bile Duct Stones
Very large bile duct stones are difficult to remove. Dilation-assisted stone extraction,
also termed small endoscopic sphincterotomy plus endoscopic papillary large balloon
dilatation, is safe and effective technique for the treatment of large CBD stones. However,
in approximately 5-10% of patients, the removal of large bile duct stones may be difficult.
For this selected group of patients for whom all conventional endoscopic stone treatment
devices have failed, laser lithotripsy technology has provided an approach to the
fragmentation of difficult bile duct stones.
A single-operator cholangioscopy (SOC) system (SpyGlass Direct Visualization System, Boston
Scientific Corp., Natick, MA, USA) has overcome most of the conventional cholangioscopy
limitations. The investigators aimed to evaluate the efficacy and safety of Spyglass-guided
laser lithotripsy for difficult CBD stones not amenable to conventional dilation-assisted
stone extraction therapy.
Status | Not yet recruiting |
Enrollment | 150 |
Est. completion date | December 2016 |
Est. primary completion date | August 2016 |
Accepts healthy volunteers | No |
Gender | Both |
Age group | 18 Years and older |
Eligibility |
Inclusion Criteria: - Bile duct stone >1.5cm demonstrated on ultrasound, computed tomography, or magnetic resonance imaging Exclusion Criteria: - Biliary, gallbladder or pancreatic malignancy - Pregnant - Prior biliary diversion surgery - Under age 18 - Unable to give informed consent |
Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Single Blind (Subject), Primary Purpose: Treatment
Country | Name | City | State |
---|---|---|---|
n/a |
Lead Sponsor | Collaborator |
---|---|
Shandong Provincial Hospital |
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Bile Duct Stone Clearance | 1 hour | Yes |
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