Light and magnets: a new weapon against Alzheimer's?

NCT ID NCT05926011

First seen Aug 10, 2026 · Last updated Aug 11, 2026 · Updated 1 time

Summary

This trial tests whether a wearable device called RGn600 can slow cognitive decline in people with mild-to-moderate Alzheimer's disease. The device, worn as a helmet and abdominal belt, delivers red-to-near-infrared light and static magnetic fields, aiming to reduce inflammation along the brain-gut axis. About 108 participants will be randomly assigned to receive the active device or an inactive sham version, with cognitive changes measured over 26 weeks. If successful, this non-invasive approach could offer a new way to manage Alzheimer's symptoms.

What this could mean

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

Active substance
RGn600, a non-invasive helmet and abdominal belt device combining photobiomodulation (red to near-infrared light) and static magnetic stimulation
What this could lead to
If effective, this device could offer a drug-free way to slow cognitive decline in Alzheimer's disease, potentially improving quality of life for patients and families.
What could go wrong
This is a pivotal trial, but the device's benefit is unproven. It may not outperform the sham, and effects could be modest or temporary. The mechanism—reducing brain-gut inflammation—is still theoretical.

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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

  • Biofortis

    RECRUITING

    Saint-Herblain, 44800, France

  • CH Lavaur

    RECRUITING

    Lavaur, 81500, France

  • CHIC Castres Mazamet Site Autan

    RECRUITING

    Castres, 81100, France

  • Hôpital Broca

    RECRUITING

    Paris, 75013, France

  • Hôpital Lariboisière

    RECRUITING

    Paris, 75010, France

  • Hôpital des Charpennes - HCL

    RECRUITING

    Villeurbanne, 69100, France

  • Toulouse University Hospital Gerontopole

    RECRUITING

    Toulouse, 31 000, France

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