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Live data · NADAC + Part D CY24 · reviewed daily

Cenobamate (Xcopri)

First FDA approval2020-03-12
Generic availableNo (brand-only)
Shortage statusNone
340B exposureunknown
Last updated
NADAC: weekly (every Wed)Part D Formulary: quarterlyPart D Spend: annual (CY24)Orange Book: weeklyShortages: daily
At a glance · the numbers a plan sponsor wants on screen one

$265.0M in CY2024 Part D spend191K claims · 25K beneficiaries · 329 plans surveyed

Lowest NADAC
$3.90/unit
10 NDCs benchmarked, lowest of all strengths.
Average NADAC
$35.29
Across all dosage forms in distribution.
Highest NADAC
$42.71
Wide spread — brand-strength NDCs still in market.
Plans with PA
1070 / 329
Substantial PA friction across plans.

Questions a plan sponsor actually asks.

FAQPage schema10 entries indexed · 4 visible
What is Cenobamate used for?

Cenobamate is a this drug class medication tracked in Medicare Part D.

Is there a generic for Cenobamate?

No. Cenobamate is brand-only with no generic equivalents currently in market.

How much does my plan pay for Cenobamate?

Across 329 Part D plans, Cenobamate averages $35.29/unit (NADAC). Lowest available: $3.90/unit. Highest in distribution: $42.71/unit.

Is Cenobamate on the FDA shortage list?

No. Cenobamate is not currently on the FDA Drug Shortage Database.

6 additional drug-specific questions are indexed in the page's FAQPage schema for search engines and LLM crawlers, beyond what renders visually above. View page source for the complete JSON-LD.

Sources · every number above traces back.

Last refresh30 May 2026

Drug identity, dosage forms, brand names: openFDA NDC Directory · First approval, ANDA history: FDA Orange Book (6 approvals on file) · NADAC unit costs: CMS NADAC weekly file (10 NDCs benchmarked) · Formulary tier and PA placement: CMS Part D Formulary file (329 plans) · Annualized spend, claims, beneficiaries: CMS Part D Spending Dashboard (CY2024) · Shortage status: FDA Drug Shortage Database · 340B exposure: HRSA OPAIS. Methodology and reproducibility notes on /methodology.