evidence boundary
supportsobservational
An evidence atom is an inspectable support unit. It is not a finding by itself; it supports or challenges a finding through review.
frontiers / frontier
Evidence atom
back to sourcesevidence boundary
supportsAn evidence atom is an inspectable support unit. It is not a finding by itself; it supports or challenges a finding through review.
finding binding
boundReimbursement decisions: CMS National Coverage Determination (April 2022) restricted aducanumab Medicare coverage to clinical trial enrollment only — a near-zero coverage outcome in practice — citing insufficient evidence of clinical benefit despite FDA approval. Biogen withdrew aducanumab from market Jan 2024.
inspect finding →
source binding
source-boundvs_8da6a2f531df04ff
inspect source →
review context
unverified2 reviewable changes and 0 evaluation records target this atom or its bound objects.
Evidence statement
Reimbursement decisions: CMS National Coverage Determination (April 2022) restricted aducanumab Medicare coverage to clinical trial enrollment only — a near-zero coverage outcome in practice — citing insufficient evidence of clinical benefit despite FDA approval. Biogen withdrew aducanumab from market Jan 2024.
locator
source:Cascade-densification deposit: Aducanumab Phase Ib (Sevigny 2016) → ENGAGE/EMERGE controversy + scope flags|section:curator_source
extraction method
manual_curation
support relation
supports
condition refs
vcnd_f45c09c23c5b964b
Caveats
No evidence-specific caveats are recorded.
events
vev_b0e5c1dd328eda57finding.reviewedAccepted as a broad-frontier seed inside the anti-amyloid scope; source locator remains the authority.
reviewer:will-blair-bot · 2026-05-06
vev_bee4af91d892ed65finding.assertedManual finding added to frontier state
reviewer:will-blair-bot · 2026-05-06
reviewable changes
vpr_a32b61d4ac00d7f5finding.reviewAccepted as a broad-frontier seed inside the anti-amyloid scope; source locator remains the authority.
applied · reviewer:will-blair-bot · 2026-05-06
vpr_e7381a0a590bfec1finding.addManual finding added to frontier state
applied · reviewer:will-blair-bot · 2026-05-06
evaluations
No evaluation rows are attached.