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Blood test may predict pain treatment success

NCT ID NCT07495566

Knowledge-focused Sponsor: Ankara Etlik City Hospital 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
Running, but no longer taking on new participants.
Completed This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 study looked at 264 people with chronic lower back and leg pain caused by a pinched nerve. Researchers wanted to see if routine blood test results could predict who would get good pain relief from a combination of two treatments: a nerve block and a short electrical pulse to the nerve. The goal is to help doctors choose the best treatment for each person in the future.

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

264 people

The number who actually took part.

Started

Dec 2025

Finished

Feb 2026

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

This study includes adult patients aged 18 to 85 years with clinically and radiologically confirmed lumbar radiculopathy who underwent pulsed radiofrequency (PRF) and transforaminal epidural steroid injection (TFESI) targeting the same dorsal root ganglion (DRG) in a single session. All participants had available pre-intervention laboratory data and Numeric Rating Scale (NRS) scores at the baseline and 4 weeks post-intervention. Patients with prior lumbar surgery, systemic inflammatory or hematological conditions, malignancy, active infection, recent steroid or immunosuppressive use, or incomplete records were excluded.

Ages

18 to 85 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 85 years. * Clinically and radiologically confirmed diagnosis of lumbar radiculopathy. * Underwent pulsed radiofrequency (PRF) and transforaminal epidural steroid injection (TFESI) targeting the same dorsal root ganglion (DRG) in a single session. * Availability of pre-intervention laboratory data, including: Complete blood count (CBC) * Documented Numeric Rating Scale (NRS) scores before and 4 weeks after the intervention. * Medical records complete for demographic, clinical, and laboratory variables. Exclusion Criteria: * History of prior lumbar spine surgery. * Presence of systemic inflammatory, autoimmune, or hematological diseases. * Diagnosis of malignancy. * Active infection at the time of procedure. * Use of systemic corticosteroids or immunosuppressive agents within the last 4 weeks. * Incomplete clinical or laboratory data. * Patients outside the age range (under 18 or over 85)

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Conditions

The condition(s) this trial relates to.

Chronic Pain chronic pain syndrome inflammatory disease radiculopathy

As listed by the trial registrant

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

Chronic pain Inflammatory response Radiculopathy Radiculopathy lumbar

Contacts and locations

Locations

  • Ankara Etlik City Hospital

    Ankara, Etlik, 06000, Turkey (Türkiye)

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