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Gallbladder surgery study seeks to cut anesthesia use with better breathing tube

NCT ID NCT03812718

Knowledge-focused Sponsor: Sir Ganga Ram 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study compares two types of breathing tubes used during gallbladder surgery: the standard endotracheal tube and a laryngeal mask airway. Researchers want to see if one requires less propofol (anesthesia medicine) to keep patients asleep. 160 adults having elective gallbladder surgery will be randomly assigned to one of the two devices. The goal is to find which tube allows for a lighter, yet safe, level of anesthesia.

What this could mean

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

Active substance
propofol
What this could lead to
If successful, this could help anesthesiologists choose the best airway device to reduce the amount of anesthesia needed during gallbladder surgery.
What could go wrong
This is a small, early-stage study focused on measuring anesthesia use, not on curing or treating a disease. Results may not apply to other surgeries or patients.

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 160 people

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

Started

Mar 2019

Expected to finish

Dec 2026

An estimate. End dates often move.

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.

Ages

18 to 65 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. ASA physical status I/II 2. Undergoing elective laparoscopic cholecystectomy Exclusion Criteria: 1. Anticipated difficult airway 2. Body mass index \> 30-kg/m2 3. Uncompensated cardiovascular disease (e.g. uncontrolled hypertension, atrio-ventricular block, sinus bradycardia, congenital heart disease, reduced LV compliance, diastolic dysfunction) 4. Hepato-renal insufficiency 5. Uncontrolled endocrinology disease (e.g. diabetes mellitus, hypothyroidism) 6. Known allergy/hypersensitivity to the study drug (propofol) 7. Drug dependence/substance abuse/psychiatric illness 8. Requirement of postoperative ventilation 9. Refusal to informed consent

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Conditions

The condition(s) this trial relates to.

cholecystolithiasis cholelithiasis

As listed by the trial registrant

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

Cholecystolithiasis Cholelithiases

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

  • Sir Ganga Ram Hospital

    RECRUITING

    New Delhi, National Capital Territory of Delhi, 110060, India

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