Can flickering light and sound slow Alzheimer's?

NCT ID NCT07758751

Not yet recruiting Disease control Sponsor: Beijing Tiantan Hospital Source: ClinicalTrials.gov ↗

First seen Aug 11, 2026 · Last updated Aug 12, 2026 · Updated 1 time

Summary

This trial tests whether a device delivering synchronized 40-Hz light and sound stimulation can safely improve cognitive function in people with early Alzheimer's disease. Sixty participants with mild cognitive impairment or mild dementia due to Alzheimer's will receive either active stimulation or a sham (inactive) version daily for four weeks. Researchers will measure changes in memory and thinking, brain activity, and blood markers before and after treatment, with follow-ups at three and six months.

What this could mean

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

Active substance: A device delivering synchronized auditory and visual stimulation at 40 Hz
What this could lead to: If effective, this non-invasive stimulation could offer a new way to slow cognitive decline in early Alzheimer's disease.
What could go wrong: This is an early, small trial (60 participants) testing short-term effects; results may not be conclusive or generalizable, and the device may cause discomfort or no benefit.

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Conditions

The condition(s) this trial relates to.

Alzheimer disease Cognitive Dysfunction

As listed by the trial registrant

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

ALZHEIMER DISEASE

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