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Live federal data · NADAC weekly · Part D CY24

Rivastigmine Donepezil

Rivastigmine vs Donepezil — $303.4M of combined CY2024 Part D plan spend across 2 molecules. Side-by-side data, every number traced to its CMS or FDA source.

Last updated
NADAC: refreshed weeklyPart D Formulary: quarterlyPart D Spend: annual (CY24)Orange Book: weeklyShortages: daily

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Up to 4 drugsCross-class or same-class

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11 dimensions
Cholinesterase Inhibitor
Rivastigmine
Brand: Exelon
First FDA approval:
Cholinesterase Inhibitor
Donepezil
Brand: Aricept
First FDA approval:
Lowest NADACAcquisition cost floor across all NDCs
$0.150Per unit
$0.044Per unit
Average NADACAcross all dosage forms and strengths
$2.73Up to $22.01
$0.131Up to $0.729
Generic manufacturersActive ANDA holders — FDA Orange Book
1347 total ANDAs filed
2041 total ANDAs filed
Annualized Part D spendCY2024 — CMS Part D Spending Dashboard
$145.3MFull year
$158.0MFull year
Part D claims (CY24)Total fills, all strengths
1.2M266K beneficiaries
12.3M2.9M beneficiaries
Avg cost per claimCalculated: total spend ÷ total claims
$126Per claim, all NDCs
$13Per claim, all NDCs
Part D plans surveyed2026 plan year — CMS Formulary file
329Across CMS plan year
329Across CMS plan year
Prior-authorization frictionPlan-NDC pairs requiring PA
0Zero PA friction
0Zero PA friction
Step therapy appliedPlan-NDC pairs requiring step therapy
15Limited friction
3Limited friction
FDA shortage statusLive cross-reference vs FDA Drug Shortage Database
NoneClear
NoneClear
Generic availableFDA Orange Book
Yes13 manufacturers
Yes20 manufacturers