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Brain zaps for addiction: new study targets relapse with personalized implants

NCT ID NCT06973512

Disease control Sponsor: Centre for Addiction and Mental Health 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 pilot study tests a personalized deep brain stimulation (DBS) method for people with severe, treatment-resistant substance use disorders. Ten participants will first undergo detox, then have temporary electrodes placed in their brains to map addiction-related circuits, followed by permanent DBS implantation. The goal is to see if this approach is safe and feasible, with participants followed for one year.

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 10 people

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

Started

Nov 2024

Expected to finish

Jan 2028

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

25 to 65 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: * Adult, Age 25-65 * Severe DSM-5 substance use disorder (SUD) as assessed by Structured Clinical Interview for DSM-5 (SCID-5) * Treatment refractory as evidenced by non-response to an adequate trial of ≥2 evidence-based treatment modalities for their substance use disorder in the most recent 3 years of illness, as determined by the study clinical team * Able to comply with study visit schedule and timeline * Stable housing and reliable transportation * Treatment-seeking (\>7 on a 0-10 readiness ruler and open to the end-of-treatment outcome of abstinence) * Capable of understanding and providing informed consent Exclusion Criteria: * Contraindications to neurosurgical interventions such as major medical co-morbidities, including uncontrolled hypertension, coagulopathy, severe diabetes, major organ system failure, active infection or history of implant-related infections, immunocompromised state, or malignancy with \<5 years life expectancy * Contraindications for MRI, including implanted metallic devices (e.g., non-MRI-safe cardiac pacemaker or neurostimulator; some artificial joints metal pins; surgical clips; or other implanted metal parts), or claustrophobia or discomfort in confined spaces * Cardiac pacemaker/defibrillator, or other implanted stimulator * Presence of epilepsy, stroke, or degenerative disorder of the nervous system * Serious problems with literacy, vision, or hearing

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Conditions

The condition(s) this trial relates to.

Behavior, Addictive substance-related disorder

As listed by the trial registrant

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

Addiction Substance use disorder (SUD)

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

  • Centre for Addiction and Mental Health / Toronto Western Hospital

    RECRUITING

    Toronto, Ontario, 399 Bathurst St, Canada

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