Global study aims to find best treatment for severe gallbladder attacks
NCT ID NCT07568080
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study will observe 1,500 adults with severe gallbladder inflammation caused by gallstones. Researchers will compare outcomes like recovery, survival, and hospital stay among patients treated with early surgery, drainage, or antibiotics alone. No new treatments are tested—doctors choose the approach based on usual care. The goal is to help guide future treatment decisions for this common emergency condition.
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Study facts
What this study's own registry entry says, in plain language.
- Participants
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About 1,500 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Aug 2026
An estimate. Start dates often move.
- Expected to finish
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Jan 2028
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
Adults with severe acute calculous cholecystitis (Tokyo Guidelines 2018 Grade III) presenting to participating centers and managed under routine clinical care. The population reflects patients in whom treatment decisions are influenced by physiologic severity, comorbidity, and institutional capability. Consecutive eligible patients are enrolled prospectively to define a real-world denominator cohort. Analytic subsets are subsequently defined at the attending surgeon-level decision point to evaluate treatment strategies under conditions in which alternative approaches are simultaneously feasible.
- 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 ≥18 years * Presentation with suspected acute calculous cholecystitis * Diagnosis confirmed prospectively according to Tokyo Guidelines 2018 (TG18) diagnostic criteria * Classified as severe (TG18 Grade III) disease based on the presence of organ dysfunction * Managed at a participating center during the study accrual period Exclusion Criteria: * Acalculous cholecystitis * Isolated choledocholithiasis or acute cholangitis without cholecystitis * Primary gallstone pancreatitis without concomitant acute cholecystitis * Elective admission for chronic biliary symptoms * Prior cholecystectomy
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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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Hospital of the University of Pennsylvania
Philadelphia, Pennsylvania, 19104, United States
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Other studies related to the condition(s) this trial covers.
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