New brain zapping method may lift depression better than standard approach
NCT ID NCT07198438
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests two non-invasive brain stimulation methods to help people with major depression who haven't gotten better with medication. Ninety adults will receive either standard or deep brain stimulation daily for four weeks. Researchers will check if the deep method reduces depression and anxiety more than the standard one.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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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
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About 90 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Nov 2025
- Expected to finish
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Jun 2027
An estimate. End dates often move.
- Lead sponsor
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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
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18 to 70 years
- Sex
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Anyone
- Healthy volunteers
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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 Hide 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: * Ages between 18 and 70 years, inclusive. * Diagnosis of Major Depressive Disorder (MDD) with a current major depressive episode, according to DSM-5 criteria, as confirmed by a psychiatrist. * History of inadequate response to at least one trial of an antidepressant medication of adequate dose and duration. * A score of 18 or greater on the 17-item Hamilton Depression Rating Scale (HAM-D17) at the screening visit. Exclusion Criteria: * Lifetime diagnosis of any primary psychotic disorder (e.g., schizophrenia spectrum disorders) or bipolar and related disorders according to DSM-5. * Significant current suicide risk, as indicated by a score of 4 on item 3 of the HAM-D17. * Current substance use disorder (excluding tobacco) within the last 3 months, according to DSM-5. * Presence of significant cognitive impairment, such as intellectual disability, delirium, or a diagnosed neurocognitive disorder. * Any personal history of seizures, stroke, brain tumor, brain aneurysm, increased intracranial pressure, or other major neurological disorders. * Presence of metal implants in the head (excluding dental fillings) or any implanted medical devices such as a cardiac pacemaker or defibrillator. * Currently pregnant. * Any other major medical condition that, in the investigator's judgment, could compromise participant safety or interfere with the study procedures.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
The full official record for this study. This one lists no contact details, but it is the first place any would appear.
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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
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Department of Psychiatry, National Taiwan University Hospital, Yunlin Branch
Douliu, Yunlin County, 640, Taiwan
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