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Can a muscle-relaxing drug make bile duct stone surgery easier?

NCT ID NCT07814976

Symptom relief Sponsor: Riga East Clinical University Hospital Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 11, 2026 · Last updated Sep 11, 2026

Summary

Researchers are studying whether giving hyoscine butylbromide during laparoscopic surgery for bile duct stones helps when a balloon is used to widen the opening of the bile duct. The drug relaxes smooth muscle, which may reduce the pressure and time needed for the dilation. About 50 adults with confirmed bile duct stones will receive a single intravenous dose during surgery, and their outcomes will be compared with past patients who had the same procedure without the drug.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
hyoscine butylbromide, a drug that relaxes smooth muscle
What this could lead to
If it helps, this could make the balloon dilation step of bile duct stone surgery quicker and easier, potentially lowering the pressure needed to open the duct.
What could go wrong
The study is small and compares participants with past patients rather than a randomly assigned control group, so differences may reflect other factors. Hyoscine butylbromide can cause dry mouth, blurred vision, or a faster heart rate.

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

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

About 50 people

The number the study aims to enrol. It can still change while the study runs.

Started

Jan 2026

Expected to finish

Feb 2027

An estimate. End dates often move.

Lead sponsor

A government agency

The lead sponsor is a government body.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 years and older

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. Age 18 years or older. 2. Written informed consent for participation in the study. 3. Confirmed choledocholithiasis. 4. Common bile duct stone diameter of 15 mm or less. 5. General medical condition permitting laparoscopic cholecystectomy. Exclusion Criteria: 1. Age younger than 18 years. 2. Refusal to provide written informed consent. 3. Spontaneous antegrade evacuation of common bile duct stones during conservative treatment. 4. Previous cholecystectomy. 5. Common bile duct stone diameter greater than 15 mm. 6. General medical condition not permitting laparoscopic cholecystectomy.

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Conditions

The condition(s) this trial relates to.

choledocholithiasis

As listed by the trial registrant

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

Choledocholithiasis Common bile duct stones

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. 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

  • Riga East University Hospital

    RECRUITING

    Riga, Latvia

More trials for these conditions

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