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Sound waves zapped at nerves could ease back pain

NCT ID NCT07467408

Symptom relief Sponsor: Consorci Sanitari de Terrassa 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looks at using high-intensity focused ultrasound (HIFU) to treat low back pain. HIFU uses sound waves to heat and disable small nerves that may cause pain. Researchers will follow 60 adults for 6 months to see if the procedure reduces pain and improves daily life.

What this could mean

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

Active substance
High-Intensity Focused Ultrasound (HIFU) procedure
What this could lead to
If it works, this could offer a non-invasive option to reduce low back pain without surgery or needles.
What could go wrong
This is a small, early observational study with only 60 people. It may not work for everyone, and there is a risk of nerve damage or pain not improving.

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 60 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

Dec 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

Patients with mechanical low back pain without any other associated clinical features (neuropathic pain characteristics or significant suspicion of pain in other anatomical regions that may be causing the low back pain) who undergo lumbar medial branch ablation using the HIFU technique.

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: * Over 18 years of age. * Signed informed consent for data collection. * Mechanical low back pain with a positive diagnostic block (\>30% pain reduction) of the lumbar medial ramus with local anaesthetic. Exclusion Criteria: * Presence of pain with mixed characteristics or suspected multiple aetiology of the low back pain (e.g. sacroiliac joint involvement). * Active systemic infection. * Pregnancy. * History of spinal surgery at the level of treatment. * Presence of tumours, metastatic disease or osteoporosis in the treatment area. * Pacemaker or implantable generator carriers. * Coagulation disorders or thrombocytopenia. * Vertebral fracture or compression at the treatment level. * Medical condition contraindicating sedation or the treatment position.

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Conditions

The condition(s) this trial relates to.

Chronic Pain Low Back Pain

As listed by the trial registrant

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

Lumbago

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 Clinic de Barcelona

    Barcelona, Barcelona, 08036, Spain

More trials for these conditions

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