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Which nerve block eases back surgery pain best?

NCT ID NCT07166250

Symptom relief Sponsor: Kocaeli 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
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 26, 2026

Summary

This study compares two types of nerve blocks—quadratus lumborum block and retrolaminar block—for pain after lumbar disc surgery. About 84 adults having elective back surgery will receive one of the two blocks before surgery. Researchers will measure pain scores, opioid use, and patient satisfaction to see which block works better.

What this could mean

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

Active substance
local anesthetic injection
What this could lead to
If one block proves better, it could become the standard for managing pain after back surgery, reducing opioid use and improving recovery.
What could go wrong
This is a small, single-center study. Results may not apply to all patients, and neither block may be clearly superior.

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 84 people

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

Started

May 2024

Expected to finish

May 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: Patients aged 18-65 years American Society of Anesthesiologists (ASA) physical status I-II-III Scheduled for elective lumbar disc herniation surgery under general anesthesia Willing to participate and provide written informed consent Patients scheduled for elective lumbar disc herniation surgery Exclusion Criteria: Patients requiring emergency surgery ASA physical status classification IV-V Known coagulopathy Ongoing anticoagulant therapy History of allergy to local anesthetics Localized infection at the block injection site Presence of spinal, paraspinal, or regional deformities at the block area Inability to understand or use the verbal pain rating scale Chronic use of analgesic medications

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Conditions

The condition(s) this trial relates to.

Intervertebral Disc Displacement lumbar disk disease lumbar disk herniation, susceptibility to Pain, Postoperative

As listed by the trial registrant

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

Lumbar disc herniation Postoperative pain

Contacts and locations

Locations

  • Kocaeli University Hospital

    Kocaeli, 41000, Turkey (Türkiye)

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