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New needle technique could pinpoint painful nerves more accurately

NCT ID NCT07531485

Diagnosis Sponsor: Xi'an Honghui 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 new way to inject numbing medicine directly into a specific nerve root to find out which nerve is causing back and leg pain. The goal is to see if this method is safer and more accurate than current techniques. About 80 adults with sciatica who are scheduled for back surgery will take part. The approach uses 3D CT scans to guide the injection precisely.

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 80 people

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

Expected to start

Apr 2026

An estimate. Start dates often move.

Expected to finish

Jan 2027

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 90 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 * Unilateral sciatica \>1 month with activity/daily life impairment. * Suspected L5/S1 root compression at L4-5/L5-S1 with unconfirmed pain correlation, including disc herniation (MSU 1-B/1-A/2-A), lateral recess/foraminal stenosis (Lee grade 2/3), atypical sciatica, or imaging-exam inconsistency. * Candidates for single-segment, single-root lumbar decompression, electing surgery after informed consent. Exclusion Criteria * No significant pre-SINRB/surgery pain, or weakness/numbness as primary symptom. * Unidentifiable responsible compressed nerve root (RCNR) per surgery. * Suspected compression of the same nerve root at more than one segment. * Pregnancy, active malignancy, or surgical contraindications. * Inability to cooperate with assessment due to comorbidities or dysfunction.

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Conditions

The condition(s) this trial relates to.

Intervertebral Disc Displacement polyradiculopathy radiculopathy sciatica spinal stenosis

As listed by the trial registrant

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

Foraminal stenosis Herniated disc Radiculopathy lumbar Radiculopathy multiple sites Radiculopathy sacral

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

  • Xi'an Honghui Hospital (North Campus)

    Xi'an, Shaanxi, 710026, China

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Other studies related to the condition(s) this trial covers.