Norwegian study aims to settle best method for bile duct stone removal
NCT ID NCT07449897
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study observes 340 patients in Norway who need gallbladder surgery and also have bile duct stones. Doctors will use one of two methods to remove the stones during surgery: a laparoscopic technique through the bile duct or an endoscopic procedure. The goal is to see which method works better, has fewer complications, and is more cost-effective.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- What this could lead to
- If successful, this study could help doctors choose the best method for removing bile duct stones during gallbladder surgery, improving outcomes and reducing costs.
- What could go wrong
- This is an observational study, not a controlled trial, so results may be influenced by patient selection. It only includes 340 patients in Norway, so findings may not apply everywhere.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Participants
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About 340 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Feb 2026
- Expected to finish
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Dec 2036
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
Eligible patients will be identified during routine clinical evaluation by the treating surgical team. Either in the outpatient clinic or in the ward for emergency admitted patients.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion criteria: * Age over 18 years * Preoperatively image proven choledocholithiasis or bile duct sludge (US / CT / MRI) * ≤ 8 mm size * ≤ 5 stones * Not proximal bile duct stones * Planned cholecystectomy with intraoperative bile duct clearance (LCBDE or intraoperative ERCP) Exclusion criteria: * Previous cholecystectomy * Medically unfit for surgery (frailty, comorbidity) * Technically inoperable (hostile abdomen, inflammatory processes, bleeding conditions, cirrhosis) * Pregnancy
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Oslo University Hospital
RECRUITINGOslo, Norway
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