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AI chat could be a secret weapon against dementia in lonely seniors

NCT ID NCT07701668

Not yet recruiting Disease control Sponsor: Massachusetts General Hospital Source: ClinicalTrials.gov ↗

First seen Jul 14, 2026 · Last updated Jul 15, 2026 · Updated 1 time

Summary

This study tests whether regular, one-on-one conversations with an AI can improve social confidence and engagement in adults aged 75 and older who have mild cognitive impairment and are socially isolated. Participants will have AI-led chats designed to stimulate thinking and social connection. The goal is to see if this approach can help slow cognitive decline and reduce dementia risk.

What this could mean

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

Active substance
AI-based conversational intervention
What this could lead to
If it works, this could offer a low-cost, scalable way to reduce dementia risk by keeping socially isolated older adults mentally and socially active.
What could go wrong
This is a small, early-stage trial (80 participants) testing a behavioral intervention, so results may not generalize. The AI conversations may not feel natural or engaging enough to produce lasting benefits.

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 Social Isolation dementia prevention target

As listed by the trial registrant

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

MILD COGNITIVE IMPAIRMENT (MCI) SOCIAL ISOLATION

Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • Massachusetts General Hospital

    Boston, Massachusetts, 02129, United States

    Contact Phone: •••-•••-•••• Email: •••••@•••••

    Contact Phone: •••-•••-•••• Email: •••••@•••••

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