Brain zaps show promise for memory in early Alzheimer's
NCT ID NCT06202872
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested a safe, non-invasive brain stimulation technique called tACS in 26 people with mild cognitive impairment due to Alzheimer's. The goal was to see if a 40 Hz electrical current applied to the brain could improve memory. Participants completed memory tests before, during, and after stimulation to measure any changes.
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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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26 people
The number who actually took part.
- Started
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Nov 2024
- Finished
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May 2026
- 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 years and older
- 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.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Recent (not more than 6 months ago) amnestic MCI diagnosis, which consensus is obtained in a multidisciplinary meeting after an extended multidisciplinary test battery at the memory clinic, including confirmation of AD pathology with cerebrospinal fluid biomarkers: abnormal p-tau/Aβ42 ratio of \> 0.023 Exclusion Criteria: * Suffering from serious neurological, psychiatric or somatic comorbidity * Suffering from epileptic seizures or severe claustrophobia * Intensive use of psychoactive medication * Having a cardiac pacemaker, internal cardiac defibrillator or other intracorporeal device that interferes with MEG recordings
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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
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Amsterdam UMC, The Netherlands
Amsterdam, North Holland, 1081HV, Netherlands
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Other studies related to the condition(s) this trial covers.
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