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Could zapping the brain help beat opioid addiction?

NCT ID NCT04379115

Disease control Sponsor: Case Western Reserve University 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 non-invasive brain stimulation technique (tDCS plus ultrasound) to help people with opioid use disorder and chronic pain reduce drug use. Researchers will compare active stimulation to a sham (fake) treatment in 126 adults already on methadone. The goal is to see if this approach can lower cravings, pain, and opioid use.

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 126 people

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

Started

Apr 2021

Expected to finish

Oct 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 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 Participants must meet all of the following: * Provide informed consent * Age 18-85 years * Diagnosis of opioid use disorder (DSM-5) with ongoing non-prescription opioid use confirmed by self-report and urine toxicology * Report current opioid craving * Enrolled in a certified Opioid Treatment Program and receiving methadone maintenance treatment * Stable methadone dose prior to enrollment * Reside locally with no plans to relocate during the study Exclusion Criteria Participants will be excluded if they: * Are pregnant * Have frequent illicit stimulant use or acute stimulant intoxication * Are using substances or medications that may interfere with study assessments (e.g., stimulant medications, buprenorphine-based therapies, naltrexone) * Have significant neurological conditions (e.g., stroke, epilepsy, brain tumor), abnormal EEG findings, history of brain surgery, significant head injury, or unexplained syncope * Have contraindications to noninvasive brain stimulation (e.g., metal in the head, implanted brain devices) * Have moderate to severe depression or active suicidal ideation/behavior * Have active malignancy * Consume substances that could confound opioid toxicology results (e.g., poppy-seed products)

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Conditions

The condition(s) this trial relates to.

Chronic Pain chronic pain syndrome opiate dependence

As listed by the trial registrant

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

Chronic pain Opioid use disorder

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    3 sites. 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

  • Spaulding Rehabilitation Hospital - 5th Floor - Neuromodulation Center

    RECRUITING

    Cambridge, Massachusetts, 02138, United States

  • University Hospitals Cleveland Medical Center/ Dahms Clinical Research Unit

    RECRUITING

    Cleveland, Ohio, 44106-1716, United States

  • University of Illinois Health/ University of Illinois at Chicago

    RECRUITING

    Hinsdale, Illinois, 60612, United States

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