Live data · NADAC + Part D CY24 · reviewed daily

Clozapine (Clozaril)

Atypical Antipsychotic class · 5 generic manufacturers · 31 ANDAs filed at FDA.

First FDA approval1999-07-08
Generic availableYes · 5 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

$161.9M in CY2024 Part D spend1.8M claims · 134K beneficiaries · 329 plans surveyed

Lowest NADAC
$0.242/unit
20 NDCs benchmarked, lowest of all strengths.
Average NADAC
$0.429
Across all dosage forms in distribution.
Highest NADAC
$0.610
Range is tight.
Plans with PA
940 / 329
Substantial PA friction across plans.

Questions a plan sponsor actually asks.

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

Clozapine is tracked in Medicare Part D. Specific indication information is not available in our current dataset.

Is there a generic for Clozapine?

Yes. 31 ANDAs filed at FDA, 5 generic manufacturers currently shipping.

How much does my plan pay for Clozapine?

Across 329 Part D plans, Clozapine averages $0.429/unit (NADAC). Lowest available: $0.242/unit. Highest in distribution: $0.610/unit.

Is Clozapine on the FDA shortage list?

No. Clozapine 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 refresh15 Oct 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.