Could a simple ear device help fight dementia?

NCT ID NCT07149038

Recruiting now Symptom relief Sponsor: Neurogrin Inc. Source: ClinicalTrials.gov ↗

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests a small device called Cerogrin that gently stimulates a nerve in the ear, aiming to improve thinking and memory in people with vascular dementia or mild cognitive impairment. Twenty-four participants will use the device at home for 30 minutes daily over four weeks. The trial compares the active device to a sham (fake) device to see if it is safe and shows early signs of helping cognition.

What this could mean

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

Active substance: Cerogrin device (auricular vagus nerve stimulation)
What this could lead to: If it works, this could offer a new, non-drug option to help slow cognitive decline in people with vascular dementia or mild cognitive impairment.
What could go wrong: This is a very small, early feasibility trial with only 24 participants. The results may not be strong enough to confirm effectiveness, and the device may not work better than a sham.

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.

Cognitive Dysfunction vascular dementia

As listed by the trial registrant

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

MILD COGNITIVE IMPAIRMENT VASCULAR DEMENTIA

Contacts and locations

Locations

Dongtan Hallym University Sacred Heart Hospital
RECRUITING

Hwaseong-si, Gyeonggi-do, 18450, South Korea

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