New hope for Alzheimer's in down syndrome: drug trial launches

NCT ID NCT07636811

First seen Jun 27, 2026 · Last updated Aug 13, 2026 · Updated 4 times

Summary

This study tests a drug called mivelsiran in 58 adults with Down syndrome who have early-stage Alzheimer's. Participants receive either the drug or a placebo via injection into the spine every few months for two years. The goal is to see if the drug can reduce brain changes linked to Alzheimer's and slow the disease.

What this could mean

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

Active substance
mivelsiran (ALN-APP)
What this could lead to
If successful, this could point toward a treatment that slows or stops Alzheimer's progression in people with Down syndrome.
What could go wrong
This is an early Phase 2 trial with only 58 participants, so results may not apply to everyone. The drug is injected into the spine, which carries risks like infection or headache.

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.

As listed by the trial registrant

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

Contacts and locations

Locations

  • Clinical Study Site

    RECRUITING

    Maitland, Florida, 32751, United States

  • Clinical Study Site

    RECRUITING

    Naples, Florida, 34105, United States