NCT07222527 · Mayo Clinic
One vs. Two Stents for Gallbladder Disease
What this study is about
This randomly assigned trial will look at whether placing two cystic duct stents is more effective than one cystic duct stent in preventing recurrent gallbladder disease (cholecystitis, gallstone pancreatitis, or biliary colic) among patients who are not immediate surgical candidates for removal of their gallbladder.
View original scientific description
This randomized trial will look at whether placing two cystic duct stents is more effective than one cystic duct stent in preventing recurrent gallbladder disease (cholecystitis, gallstone pancreatitis, or biliary colic) among patients who are not immediate surgical candidates for removal of their gallbladder. The study will evaluate the safety profile, including rates of recurrent cholecystitis, biliary colic, and procedure-related complications, and technical success, defined as successful placement of stents into the gallbladder. The main questions it aims to answer are: 1. Does placement of two transpapillary cystic duct stents reduce the risk of recurrent symptomatic gallbladder disease compared to one stent? 2. Is there a difference in procedure-related adverse events (post-ERCP pancreatitis, cholangitis, stent migration) between the two strategies? Researchers will compare outcomes between patients randomized to one stent versus two stents to determine which approach provides better long-term gallbladder drainage and fewer recurrent events. Participants will: Be evaluated for eligibility and provide informed consent prior to undergoing an endoscopic retrograde cholangiopancreatography (ERCP), an endoscopy where a guidewire is placed into the bile duct from the small intestine. They will then undergo ERCP with transpapillary cystic duct stent placement, randomized to one or two stents. All participants will receive standard post-procedure care and follow-up assessments for recurrence, adverse events, and need for reintervention.
Who can participate
This study lists these criteria on ClinicalTrials.gov. A study coordinator reviews eligibility during screening — this page does not determine whether you qualify.
Inclusion criteria
- Males or non-pregnant females presenting with cholecystitis, biliary colic or gallstone pancreatitis.
- Participants must be willing and able to provide informed consent
- Referred for ERCP for management of 1) suspected choledocholithiasis 2) acute biliary pancreatitis and/or 3) acute cholangitis in whom cholecystectomy is expected to be delayed \> 30 days or are deemed to not be surgical candidates for cholecystectomy.
Exclusion criteria
- Inability to provide informed consent
- History of surgically altered upper gastrointestinal anatomy (e.g. Roux-en-Y gastric bypass, Billroth I/II) precluding standard ERCP
- History of primary sclerosing cholangitis
- History of gallbladder cancer
- History of cholecystectomy
- Unsuccessful biliary cannulation during ERCP -
Where
- Rochester, Minnesota
Frequently asked questions
What is a clinical trial?
A clinical trial is a research study that tests new medical treatments, drugs, devices, or procedures to determine their safety and effectiveness. Trials are carefully designed and monitored to protect participants while advancing medical knowledge.
Is it safe to participate?
Clinical trials follow strict safety guidelines and ethical standards. Trials must be reviewed and approved, and participants are closely monitored by medical professionals throughout the study. You can withdraw at any time if you choose.
Will I be compensated?
Many clinical trials offer compensation for your time, travel expenses, and inconvenience. The specific compensation varies by study and will be discussed during the screening process. All study-related medical care is typically provided at no cost to participants.
Will I receive a placebo instead of treatment?
When effective treatment exists, participants typically receive either the standard treatment plus the study intervention, or the standard treatment plus placebo. You would not be denied effective care. Placebos are primarily used when no proven treatment is available, or in addition to standard care. Your trial consent form will clearly explain what treatments you may receive.
Can I leave a trial if I change my mind?
Absolutely. Participation in clinical trials is completely voluntary. You have the right to withdraw from the study at any time, for any reason, without penalty or loss of benefits to which you are otherwise entitled.
How long does a clinical trial last?
Trial duration varies widely depending on the study design and purpose. Some trials last just a few weeks, while others may continue for months or years. The study coordinator will provide specific timeline information during your screening call.
Data: ClinicalTrials.gov · synced Dec 16, 2025 · Source of record for eligibility and locations