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Zapping the brain to zap back pain: new study tests Non-Invasive relief

NCT ID NCT02954432

Symptom relief Sponsor: Spaulding Rehabilitation Hospital Source: ClinicalTrials.gov ↗

What the study statuses mean

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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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 two types of gentle brain stimulation—tDCS and TUS—can reduce pain and improve daily function in people with chronic low back pain. Researchers will compare active stimulation to a sham (fake) treatment in 40 adults aged 18-85 who have had persistent back pain for at least 3 months. The goal is to see if these non-invasive techniques offer a drug-free way to manage pain.

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

40 people

The number who actually took part.

Started

Nov 2016

Expected to finish

Sep 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 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: 1. Able to provide informed consent to participate in the study 2. Subjects between 18 to 85 years old 3. Subjects having non-specific chronic low back pain with existing pain for at least 3 months and having pain on at least half the days in the past 6 months with an average of at least 3 on a 0-10 visual analog scale (VAS) scale 4. Pain resistant (partial or no response) to common analgesics and medications for chronic pain used as initial pain management such as Tylenol, Aspirin, Ibuprofen, Soma, Parafon Forte DCS, Zanaflex, and Codeine. 5. Must have the ability to feel sensation by Von-Frey fiber on the forearm Exclusion Criteria: 1. Subject is pregnant 2. Contraindications to tDCS in conjunction with TUS, i.e. metallic implant in the brain or implanted brain medical devices 3. History of alcohol or drug abuse within the past 6 months as self reported 4. Use of carbamazepine within the past 6 months as self reported 5. Suffering from severe depression (with a score of \>30 in the Beck Depression Inventory) 6. History of neurological disorders as self reported 7. History of unexplained fainting spells as self reported 8. History of severe head injury resulting in more than a momentary loss of consciousness as self reported 9. History of neurosurgery as self reported 10. Unstable pain 11. Large placebo responder 12. Low adherence during the run-in period 13. Low baseline pain

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Conditions

The condition(s) this trial relates to.

Chronic Pain chronic pain syndrome

As listed by the trial registrant

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

Chronic low back pain Chronic pain

Contacts and locations

Locations

  • Spaulding Rehabilitation Network Research Institute

    Cambridge, Massachusetts, 02138, United States

More trials for these conditions

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