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Ultrasound-Guided nerve block may ease a hidden cause of chronic back pain

NCT ID NCT07712406

Symptom relief Sponsor: Gaziosmanpasa Research and Education Hospital Source: ClinicalTrials.gov ↗

What the study statuses mean

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 17, 2026 · Last updated Jul 29, 2026 · Updated 2 times

Summary

This study looks at whether an ultrasound-guided nerve block can reduce pain and disability in people with chronic low back pain caused by superior cluneal nerve entrapment, a condition often mistaken for spine problems. Researchers will track pain scores, disability, and nerve-related symptoms in 40 adults who receive the block as part of routine care. The goal is to see if this targeted injection offers lasting relief for those who have not improved with other treatments.

What this could mean

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

Active substance
ultrasound-guided proximal superior cluneal nerve block
What this could lead to
If successful, this nerve block could become a standard treatment for a common but often-missed cause of chronic low back pain, offering relief without surgery.
What could go wrong
This is a small observational study with no control group, so results may not prove the block is better than other treatments or a placebo.

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

About 40 people

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

Started

May 2026

Expected to finish

Dec 2026

An estimate. End dates often move.

Lead sponsor

A government agency

The lead sponsor is a government body.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

Adults with chronic low back and/or gluteal pain and a positive diagnostic superior cluneal nerve block response who undergo ultrasound-guided proximal superior cluneal nerve block as part of routine clinical care. Participants will be prospectively followed for clinical outcomes.

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: * Age 18-75 years. * Chronic low back and/or gluteal pain persisting for at least 3 months. * Localized pain and/or tenderness over the posterior iliac crest. * At least 50% reduction in pain intensity following diagnostic superior cluneal nerve block. * Failure of conservative treatment. * Ability to provide written informed consent. Exclusion Criteria: * Previous superior cluneal nerve surgery. * Active local or systemic infection. * Bleeding disorders or contraindications to the procedure. * Allergy to study medications. * Pregnancy. * Severe cognitive impairment or inability to complete study assessments. * Additional interventional pain procedures involving the affected region during follow-up.

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As listed by the trial registrant

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

Chronic low back pain Superior cluneal nerve entrapment

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

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Contacts and locations

Locations

  • Gaziosmanpasa Research and Education Hospital

    RECRUITING

    Gaziosmanpaşa, Istanbul, 34255, Turkey (Türkiye)

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