New pain block may cut opioid use after back surgery

NCT ID NCT07348419

Symptom relief Sponsor: Samsun University Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests two different nerve blocks to see which one works better for pain after single-level lumbar disc surgery. 70 adults will receive one of the blocks before surgery, and their pain and opioid use will be tracked for 24 hours. The goal is to find a more effective way to manage pain and reduce the need for strong painkillers.

What this could mean

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

Active substance: nerve block (local anesthetic injection)
What this could lead to: If one block works better, it could mean less pain and fewer opioids after back surgery.
What could go wrong: This is a small, early-stage trial with only 70 people. The blocks may not differ much, and results may not apply to all 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 70 people

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

Started

Jan 2026

Expected to finish

Jul 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 70 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 18-70 years, * Classified as ASA physical status I-III, * Scheduled to undergo single-level lumbar spinal surgery under general anesthesia * Who agree to participate in the study by providing written informed consent Exclusion Criteria: * History of bleeding diathesis or current anticoagulant therapy * Known allergy or hypersensitivity to local anesthetics or opioid medications * Infection at the planned block injection site * Previous lumbar spine surgery * History of gabapentinoid or corticosteroid use within the last 3 weeks * Inability to use a patient-controlled analgesia (PCA) device * Suspected pregnancy, confirmed pregnancy, or breastfeeding * Refusal to undergo the procedure or to participate in the study

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Conditions

The condition(s) this trial relates to.

Acute Pain lumbar spinal stenosis spinal stenosis

As listed by the trial registrant

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

Acute pain Spinal stenosis

How to take part

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

The places running it

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

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

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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.

New pain block may cut opioid use after back surgery

What the study statuses mean