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Simple leg test could rival injections for diagnosing nerve pain

NCT ID NCT07696312

Diagnosis Sponsor: Marmara University Source: ClinicalTrials.gov ↗

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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.
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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 Results may not be published yet.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)
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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
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Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jul 10, 2026 · Last updated Aug 19, 2026 · Updated 2 times

Summary

This study tests how well the straight leg raise test—a simple physical exam—can diagnose nerve-related leg pain caused by a slipped disc. Researchers compare the test's results to those from a diagnostic nerve block injection in 88 adults aged 18 to 65. If the leg raise test proves accurate, it could help doctors diagnose this condition without more invasive procedures.

What this could mean

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

What this could lead to
If the straight leg raise test proves accurate, doctors may rely on it more for diagnosing nerve-related leg pain, reducing the need for invasive tests.
What could go wrong
This is a small, single-center study. The test's accuracy may vary in broader populations, and the nerve block reference standard is not perfect.

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 88 people

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

Started

Dec 2025

Expected to finish

Sep 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.

Who is studied

Adult patients aged 18 to 65 years with a preliminary diagnosis of lumbar radicular pain based on medical history, physical examination, and lumbar magnetic resonance imaging, who are scheduled to undergo transforaminal epidural injection targeting the L4, L5, or S1 nerve root, will be included in the study.

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: * Age between 18 and 65 years. * Preliminary diagnosis of lumbar radicular pain based on medical history, physical examination, and lumbar magnetic resonance imaging. * Patients scheduled to undergo transforaminal epidural injection targeting the L4, L5, or S1 nerve root. Exclusion Criteria: * Inability to access clinical or procedural records in the hospital system. * Absence of available radiological records related to the target level, if required. * Inability to provide reliable NRS or straight leg raise test assessment due to cognitive impairment or language barrier. * Coagulopathy, defined as INR \> 1.5 or platelet count \< 80,000/mm³, or inability to discontinue anticoagulant or antiplatelet therapy when required. * Local or systemic infection, or skin lesion at the planned injection site. * Pregnancy or breastfeeding. * Known severe hypersensitivity to iodinated contrast material or local anesthetics. * Progressive neurological deficit or cauda equina syndrome. * Bilateral or nearly bilateral pain with both sides being prominent and equivalent, or need for therapeutic injection at more than one level during the same session. * Epidural injection with local anesthetic and/or steroid at the same level within the last 6 weeks. * Active polyneuropathy or other diffuse neuropathies. * Active radicular pain originating from nerve roots other than L4, L5, or S1. * Requirement for mandatory sedation.

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Conditions

The condition(s) this trial relates to.

radiculopathy

As listed by the trial registrant

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

Lumbar radiculopathy Lumbosacral radicular pain Straight leg raise

How to take part

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  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.

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  3. A doctor treating you

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Contacts and locations

Locations

  • Marmara University Faculty of Medicine, Pendik Training and Research Hospital, Algology Department Recruiting

    RECRUITING

    Istanbul, PENDİK, 34890, Turkey (Türkiye)

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