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Needle zap for sciatica: new study tests quick fix for leg pain

NCT ID NCT07377357

Symptom relief Sponsor: Universidad Complutense de Madrid 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 whether a single 30-minute session of electrical nerve stimulation (PENS) can quickly reduce sciatica pain and improve daily function. 88 adults with long-term sciatica will be randomly assigned to receive PENS, TENS (skin patches), dry needling, or a placebo. Researchers will measure pain, disability, and quality of life right after treatment and one week later to see if PENS offers better relief than the other options.

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 88 people

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

Started

May 2026

Expected to finish

Nov 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 70 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: * Neuropathic-like LBRLP (sciatica). * S-LANSS score ≥ 12 points. * LBRLP lasting more than 6 months. * Age between 18 and 70 years. * LBRLP in the past 4 weeks has been severe enough to limit usual activities or change daily routines for more than 1 day. * At least one period of 6 months to 1 year during which the participant did not go a full month without LBRLP. * LBRLP intensity of at least 3/10 on the NPRS. * Ability to provide informed consent. Exclusion Criteria: * Acute injury or recent major trauma history. * Relevant painful conditions of the hip joint or pelvic/sacroiliac region. * Symptoms compatible with cauda equina syndrome (loss of bladder/bowel control, sexual dysfunction, paralysis of lower limbs, etc.). * Previous surgery on the spine, pelvis or hip. * Prior treatment with anesthetic or anti-inflammatory blocks or with radiofrequency (facet, sacroiliac, radicular, epidural, etc.) in the past two years. * Any neurological or systemic disease that could limit participation in the study. * Inability to communicate in Spanish or understand study instructions and content. * General contraindications for invasive physiotherapy and electrotherapy techniques.

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Conditions

The condition(s) this trial relates to.

sciatica

As listed by the trial registrant

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

Sciatica

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

  • Hospital Universitario 12 de Octubre

    RECRUITING

    Madrid, Madrid, 28041, Spain

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