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Nerve block showdown: which approach best eases drain pain after gallbladder removal?

NCT ID NCT07661576

Symptom relief Sponsor: Turgut Ozal University 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This trial tests two ways of giving a nerve block (TAP block) to reduce pain where a surgical drain is placed after laparoscopic gallbladder removal. One method uses blocks on both sides of the upper abdomen, while the other targets the drain side specifically. The study involves 88 adults having elective gallbladder surgery and measures pain levels 6 hours after the procedure, along with opioid use and recovery. The goal is to find which approach offers better drain-site pain relief.

What this could mean

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

Active substance
bupivacaine
What this could lead to
If one nerve block approach proves better, it could become a standard way to ease drain-site pain after gallbladder surgery, improving patient comfort.
What could go wrong
This is a small, early-stage trial (88 people) comparing two established techniques, so results may not apply to all patients or settings. Pain relief may vary.

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 88 people

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

Expected to start

Jun 2026

An estimate. Start dates often move.

Expected to finish

May 2027

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 75 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: Patients aged 18-75 years, classified as American Society of Anesthesiologists (ASA) physical status I-III, with a body mass index (BMI) \< 35 kg/m², undergoing elective laparoscopic cholecystectomy and requiring abdominal drain placement at the end of surgery. \- Exclusion Criteria:Patients with known allergy to local anesthetics, coagulopathy or ongoing anticoagulant therapy, infection at the planned block site, chronic opioid use, chronic pain syndromes, pregnancy, severe hepatic or renal insufficiency, inability to communicate effectively or to perform pain assessment using the Numeric Rating Scale (NRS), previous upper abdominal surgery, or drain placement outside the lateral abdominal wall (e.g., subxiphoid location) will be excluded. Patients who require conversion to open surgery, postoperative intensive care unit admission, or who experience block failure will also be excluded from the final analysis. \-

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Conditions

The condition(s) this trial relates to.

Pain, Postoperative

As listed by the trial registrant

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

Postoperative pain after laparoscopic cholecystectomy

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

  • Malatya Training and Research Hospital

    Malatya, Malatya, Turkey (Türkiye)

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