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Can a brain ZAP boost thinking skills in severe mental illness?
NCT ID NCT06378463
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether combining cognitive remediation training (a computer-based program to improve thinking skills) with mild brain stimulation (transcranial direct current stimulation) can help people with severe mental illness who live in supported housing. The goal is to improve daily functioning and personal recovery. 126 adults aged 18-65 are taking part, and the study compares the active treatment to a sham (fake) stimulation.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- transcranial direct current stimulation (tDCS)
- What this could lead to
- If successful, this could point toward a way to improve thinking and daily living skills for people with severe mental illness who need supported housing.
- What could go wrong
- This is an early-stage study with only 126 participants, so results may not apply widely. The brain stimulation is mild, but individual responses can vary and benefits may be small.
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
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About 126 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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May 2024
- Expected to finish
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May 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
-
18 to 65 years
- Sex
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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 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: * A psychiatric disorder that requires care/treatment (no remission of positive, negative and cognitive symptoms); * Severe disabilities in social and/or societal functioning (no functional remission); * Disabilities are the result of a psychiatric disorder; * Disabilities are structural (at least several years); * Coordinated professional care is necessary to realize a treatment plan; * Adults between the age of 18 and 65; * Sufficient written and oral mastery of the Dutch language. Exclusion Criteria: * Having previously received CIRCuiTS; * Metal implants inside the skull or eye; * Severe scalp skin lesions; * A history of previous seizures; * Alcohol or drug abuse.
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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.
Contacts and locations
Locations
-
Cosis
Assen, Drenthe, 9400 AE, Netherlands
-
GGZ Friesland
Leeuwarden, Provincie Friesland, 8932 PA, Netherlands
-
Lentis
Zuidlaren, Drenthe, 9470 AC, Netherlands
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