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Scientists probe brain networks to personalize depression treatment

NCT ID NCT05523817

Knowledge-focused Sponsor: Massachusetts General Hospital 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 uses a non-invasive brain stimulation technique called iTBS to explore how stimulating specific brain networks changes mood, thinking, and brain activity in people with major depression and healthy volunteers. Researchers aim to understand the brain mechanisms behind the therapeutic effects of this treatment. The study involves 80 participants and uses brain scans and cognitive tests to measure changes.

What this could mean

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

Active substance
Intermittent Theta Burst Stimulation (iTBS) - a non-invasive brain stimulation device
What this could lead to
If successful, this could lead to more personalized and effective brain stimulation treatments for depression.
What could go wrong
This is an early-stage study focused on understanding brain mechanisms, not testing a new treatment. It is small (80 people) and results may not apply to everyone with depression.

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 80 people

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

Started

Mar 2024

Expected to finish

Dec 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

18 to 65 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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 for healthy participants: * 18-65 years of age * Capacity to provide informed consent form to participate in the study Inclusion Criteria for participants with Major Depressive Disorder (MDD): * 18-65 years of age * Capacity to provide informed consent form to participate in the study * Currently in a major depressive episode. Comorbid anxiety disorders and personality disorders will be allowed provided that MDD is the primary diagnosis. Exclusion Criteria for all participants: * Meeting criteria, in the past or currently, for bipolar affective disorder, hypomania or mania. * Meeting criteria, in the past or currently, for a primary psychotic disorder (e.g., schizophrenia). * Neurological conditions with known structural brain lesions, e.g., intracranial masses, multiple sclerosis. * Any personal history of seizures or a family history of epilepsy in a first-degree relative. * Metal in the body that is ferromagnetic or metallic injury to the eyes. * Implanted pacemakers, medication pumps, vagal stimulators, deep brain stimulators, or ventriculoperitoneal shunts, etc. * Substance abuse or dependence that is current and active within the last six months, as indicated by self-report (e.g., heroin, cocaine, methamphetamines). * Inability to meet the safety criteria for MRI scanning for any other reason. * Severe or unstable medical illness. * Currently pregnant, as assessed with urine pregnancy test in women of childbearing age.

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Conditions

The condition(s) this trial relates to.

major depressive disorder

As listed by the trial registrant

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

Major depressive disorder

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

  • Massachusetts General Hospital

    RECRUITING

    Boston, Massachusetts, 02129, United States

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