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Study identifier: NCT06393712 Synced from ClinicalTrials.gov · July 29, 2026
● Recruiting

A Phase 2 Trial of ALN-APP in Patients With Cerebral Amyloid Angiopathy

Condition: Cerebral Amyloid Angiopathy  ·  Sponsor: Alnylam Pharmaceuticals

PhasePhase 2
Planned participants200
Who can joinAll sexes, 30 Years to no upper limit
Healthy volunteersNo

About this study

The purpose of the study is to evaluate the effect of ALN-APP on measures of CAA disease progression and to characterize the safety, tolerability, and pharmacodynamics (PD) of ALN-APP in adult patients with sporadic CAA (sCAA) and Dutch-type CAA (D-CAA). The study will be conducted over 2 periods: a 24-month double-blind treatment period and an optional 18-month open-label extension (OLE) period. The estimated duration of study participation, inclusive of screening, treatment, and additional safety follow-up, is up to 50 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 (57)

Clinical Trial SiteLos Angeles, California, United StatesActive Not Recruiting
Clinical Trial SiteOrange, California, United StatesActive Not Recruiting
Clinical Trial SitePalo Alto, California, United StatesActive Not Recruiting
Clinical Trial SiteSacramento, California, United StatesActive Not Recruiting
Clinical Trial SiteSan Francisco, California, United StatesActive Not Recruiting
Clinical Trial SiteAurora, Colorado, United StatesActive Not Recruiting
Clinical Trial SiteNew Haven, Connecticut, United StatesActive Not Recruiting
Clinical Trial SiteGainesville, Florida, United StatesActive Not Recruiting
Clinical Trial SiteJacksonville, Florida, United StatesActive Not Recruiting
Clinical Trial SiteMaitland, Florida, United StatesActive Not Recruiting
Clinical Trial SiteNaples, Florida, United StatesActive Not Recruiting
Clinical Trial SiteChicago, Illinois, United StatesActive Not Recruiting

+ 45 more locations — full list on the registry record.

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Source record: clinicaltrials.gov/study/NCT06393712