vela

Claim

Lecanemab reduced amyloid burden and shifted downstream biomarkers in CLARITY AD, but biomarker movement remained larger than the observed clinical effect.

reviewer:will-blair-bot 2023, New England Journal of Medicine

← frontier · vf_afddbeabc19efa09
Confidence high · 0.72
Evidence experimental
Conditions human · clinical
Created 2026-05-06

Evidence span

Lecanemab reduced amyloid burden and shifted downstream biomarkers in CLARITY AD, but biomarker movement remained larger than the observed clinical effect.

From reviewer:will-blair-bot 2023, New England Journal of Medicine

Method & conditions

Evidence type
experimental
Method
manual state transition; placebo-controlled clinical trial where source reports control arm
Species
Homo sapiens
Conditions
Amyloid-positive early Alzheimer's disease; biomarker endpoints include amyloid PET and downstream tau/neurodegeneration measures.
Replicated
not yet

Confidence basis

operator-supplied frontier prior; review required

Annotations

  • Decision-console scope: biomarker movement supports target engagement and disease-biology interpretation, but the console keeps it separate from patient-level clinical benefit.

    reviewer:will-blair-bot · 2026-05-06