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Live data · NADAC + Part D CY24 · reviewed daily

Rufinamide (Banzel)

1 I NDICATIONS AND USAGE BANZEL is indicated for adjunctive treatment of seizures associated with Lennox-Gastaut Syndrome in pediatric patients 1 year of age and older and in adults.

First FDA approval2008-11-14
Generic availableYes · 11 mfrs
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

$67.9M in CY2024 Part D spend42K claims · 5K beneficiaries · 329 plans surveyed

Lowest NADAC
$0.263/unit
20 NDCs benchmarked, lowest of all strengths.
Average NADAC
$0.852
Across all dosage forms in distribution.
Highest NADAC
$1.51
Wide spread — brand-strength NDCs still in market.
Plans with PA
541 / 329
Substantial PA friction across plans.

Questions a plan sponsor actually asks.

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

1 I NDICATIONS AND USAGE BANZEL is indicated for adjunctive treatment of seizures associated with Lennox-Gastaut Syndrome in pediatric patients 1 year of age and older and in adults.

Is there a generic for Rufinamide?

Yes. 23 ANDAs filed at FDA, 11 generic manufacturers currently shipping.

How much does my plan pay for Rufinamide?

Across 329 Part D plans, Rufinamide averages $0.852/unit (NADAC). Lowest available: $0.263/unit. Highest in distribution: $1.51/unit.

Is Rufinamide on the FDA shortage list?

No. Rufinamide 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 (10 approvals on file) · NADAC unit costs: CMS NADAC weekly file (20 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.