Could a gentle brain zap boost memory in Alzheimer's and lewy body dementia?

NCT ID NCT05326750

Recruiting now Symptom relief Sponsor: Kuopio University Hospital Source: ClinicalTrials.gov ↗

First seen Jun 26, 2026 · Last updated Jun 26, 2026

Summary

This study tests whether a gentle, non-invasive brain stimulation technique called tACS can improve memory and thinking in people with Alzheimer's disease, frontotemporal dementia, Lewy body dementia, and related conditions. Two hundred participants will receive either real or sham (fake) stimulation over four sessions. Researchers will measure changes in memory, attention, and other thinking skills to see if the stimulation helps.

What this could mean

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

Active substance: transcranial alternating current stimulation (tACS) device
What this could lead to: If it works, this could point toward a non-invasive, drug-free way to ease memory and thinking problems in several types of dementia.
What could go wrong: This is an early-stage study with only a single session of stimulation, so any benefits may be small or temporary. The results may not apply to all patients or lead to a lasting treatment.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

Alzheimer disease frontotemporal dementia Lewy body dementia Lewy Body Disease normal pressure hydrocephalus

As listed by the trial registrant

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

ALZHEIMER DISEASE DEMENTIA WITH LEWY BODIES FRONTOTEMPORAL DEMENTIA

Contacts and locations

Locations

Kuopio University Hospital
RECRUITING

Kuopio, Finland

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