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Study identifier: NCT05231785 Synced from ClinicalTrials.gov · July 28, 2026
● Recruiting

A Study to Evaluate the Safety and Tolerability of ALN-APP in Patients With EOAD

Condition: Early-Onset Alzheimer Disease  ·  Sponsor: Alnylam Pharmaceuticals

PhasePhase 1
Planned participants60
Who can joinAll sexes, 18 Years to no upper limit
Healthy volunteersNo

About this study

The purpose of this study is to evaluate the safety, tolerability, pharmacodynamics (PD) and pharmacokinetics (PK) of a single dose and multiple doses of ALN-APP administered by intrathecal (IT) injection in adult patients with early-onset Alzheimer's Disease (EOAD). Maximum treatment duration for Part A: single dose. Maximum treatment duration for Part B: 12 months.

This description comes directly from the study's public registry record.

Talk to the study team

Alnylam Clinical Trial Information Line  ·  1-877-ALNYLAM  ·  clinicaltrials@alnylam.com

Alnylam Clinical Trial Information Line  ·  1-877-256-9526  ·  clinicaltrials@alnylam.com

Always discuss trial participation with your own doctor first.

Locations (8)

Clinical Trial SiteLa Jolla, California, United StatesCompleted
Clinical Trial SiteIndianapolis, Indiana, United StatesRecruiting
Clinical Trial SiteMontreal, CanadaRecruiting
Clinical Trial SiteToronto, CanadaRecruiting
Clinical Trial SiteAmsterdam, NetherlandsRecruiting
Clinical Trial SiteGroningen, NetherlandsCompleted
Clinical Trial SiteHuntley Street, United KingdomRecruiting
Clinical Trial SiteSheffield, United KingdomRecruiting

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Source record: clinicaltrials.gov/study/NCT05231785