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New needle could offer better back pain relief

NCT ID NCT04730700

Symptom relief Sponsor: University of Kansas Medical Center Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests a special needle (multi-tined expandable electrode) used in a standard procedure called radiofrequency ablation to treat chronic low back pain. About 50 adults with long-term pain will either get this new needle treatment or continue with usual medical care. The goal is to see if the new needle provides better pain relief and has fewer complications.

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 50 people

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

Started

Dec 2020

Expected to finish

Nov 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 years and older

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 years old. * Patients with pain lasting at least 6 months. * Patients with history of non-radiating low back pain. * Patient who had two diagnostic medial branch blocks (MBB) with significant (\>50%) improvement on both injections. * Patient has signed study-specific informed consent. * Patient has the necessary mental capacity to participate and is physically able to comply with study protocol requirements. Exclusion Criteria: * Patient with low back pain with radiation or involvement of pain going into their legs below their knees. * Patient did not receive satisfactory relief from diagnostic MBB (\<50% relief). * Patient is unable to receive radiation exposure. * Patient is currently pregnant. * Patient has a current local overlying low back or systemic infection. * Patient currently receiving or seeking workers compensation, disability remuneration, and/or involved in injury litigation. * Known or suspected drug or alcohol abuse. * Diagnosed psychiatric disease (e.g., schizophrenia, major depression, personality disorders) that could interfere with study participation. * Patient is participating in an investigational study or has been involved in an investigational study within 3 months prior to evaluation for participation. * Patient has an implanted intrathecal pump or spinal neuromodulation device. * Patient currently on daily oral morphine equivalent (OME) of 50.

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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

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

    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.

Contacts and locations

Locations

  • University of Kansas Medical Center

    RECRUITING

    Kansas City, Kansas, 66160, United States

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