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Budget scope reuse tested for bile duct stone surgery

NCT ID NCT07285447

Knowledge-focused Sponsor: B.P. Koirala Institute of Health Sciences 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 looked at 75 patients in Nepal who had bile duct stones removed using a reused Ambu aScope, a cheap disposable scope normally used for breathing tubes. The goal was to see if reusing it is safe and effective in low-resource settings where expensive scopes aren't available. Researchers checked how often the scope gave a clear view, how often all stones were removed, and how often complications like injury or infection occurred.

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

75 people

The number who actually took part.

Started

Aug 2025

Finished

Sep 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 CBD stones who underwent CBD exploration for stone using the Ambu aScope in Department of Surgery of BPKIHS, Dharan between January 2022 and December 2024

Ages

16 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: * all patients with CBD stones who underwent CBD exploration for stone using the Ambu aScope in Department of Surgery of BPKIHS, Dharan between January 2022 and December 2024 Exclusion Criteria: * Single stone of \<1cm, Patient not fit for general anesthesia, Pregnancy

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Conditions

The condition(s) this trial relates to.

choledocholithiasis Color Vision Defects nephrolithiasis

As listed by the trial registrant

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

CBD stone

Contacts and locations

Locations

  • B. P. Koirala Institute of Health Science

    Dharān, Province No-1, 56700, Nepal

More trials for these conditions

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