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Should you operate on a silent bile duct? 1,000-Patient study seeks answers

NCT ID NCT07028164

Knowledge-focused Sponsor: Beijing Tsinghua Chang Gung Hospital Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study followed over 1,000 people whose bile ducts were found to be wider than normal by chance, without causing symptoms. Researchers collected data from 25 hospitals in China to learn how common this condition is, what types exist, and whether surgery helps prevent future problems like infections or cancer. The goal is to create better guidelines for monitoring and treating this silent condition.

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

1,008 people

The number who actually took part.

Started

Jan 2024

Finished

Oct 2025

Lead sponsor

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

All patients with a definitive diagnosis of biliary dilation in the participating centers will be included.

Ages

Up to 80 years

Sex

Anyone

Healthy volunteers

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

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: 1. Patients who have been definitive diagnosed with biliary dilation. 2. Patients aged between 0 and 80 years old, regardless of gender. 3. In line with the principle of informed consent: For the retrospective cohort of biliary dilation, exemption from signing the informed consent form is applied for, while for the prospective cohort, signing the informed consent form is required. Exclusion Criteria: \-

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Conditions

The condition(s) this trial relates to.

bile duct cyst

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Choledochal cyst

Contacts and locations

Locations

  • Beijing Tsinghua Chang Gung Hospital

    Beijing, Beijing Municipality, 102218, China

More trials for these conditions

Other studies related to the condition(s) this trial covers.