New ultrasound technique could prevent second surgery for gallstones after Weight-Loss surgery
NCT ID NCT07453186
First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study compares standard ultrasound (done on the outside of the belly) with laparoscopic ultrasound (done inside the abdomen during weight-loss surgery) to see which finds more gallstones and other gallbladder issues. The goal is to better identify patients who could benefit from preventive medication, potentially reducing the need for a second gallbladder surgery. About 130 adults scheduled for bariatric surgery will participate.
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 could improve detection of gallstones in bariatric patients, helping doctors decide who needs preventive medication and reducing the need for a second surgery.
- What could go wrong
- This is a diagnostic accuracy study, not a treatment trial. The results may not change outcomes if preventive treatments are ineffective or not adopted. The study is also relatively small (130 participants).
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.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 130 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Apr 2026
- Expected to finish
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Mar 2029
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.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
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 ≥18 years * Scheduled for bariatric surgery * Able to provide informed consent Exclusion Criteria: * Previous cholecystectomy * Previous biliary surgery * Previous liver surgery * Inability to provide informed consent
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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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Esbjerg og Grindsted Sygehus
RECRUITINGEsbjerg, 6700, Denmark
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Blood test may spot hidden gallbladder cancer in gallstone patients
- Genetic clues may predict gallstone trouble after bariatric surgery
- Ultrasound quality: experts aim to standardize liver imaging
- New drug may shorten jaundice in gallstone patients
- Ultrasound vs. reality: can scans predict tough gallbladder surgeries?
- Gallstone surgery may reshape your gut microbiome, new study shows