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Live data · NADAC + Part D CY24 · reviewed daily

Sotatercept-Csrk (WINREVAIR)

WINREVAIR™ is indicated for the treatment of adults with pulmonary arterial hypertension (PAH, Group 1 pulmonary hypertension) to improve exercise capacity and World Health Organization (WHO) funct....

First FDA approval2024-03-26
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

$500.6M in CY2024 Part D spend29K claims · 6K beneficiaries · 329 plans surveyed

Lowest NADAC
—/unit
0 NDCs benchmarked, lowest of all strengths.
Average NADAC
—
Across all dosage forms in distribution.
Highest NADAC
—
Range is tight.
Plans with PA
1304 / 329
Substantial PA friction across plans.

Questions a plan sponsor actually asks.

FAQPage schema8 entries indexed · 4 visible
What is Sotatercept-Csrk used for?

WINREVAIR™ is indicated for the treatment of adults with pulmonary arterial hypertension (PAH, Group 1 pulmonary hypertension) to improve exercise capacity and World Health Organization (WHO) funct....

Sources: CMS Part D Spending CY24 · CMS NADAC weekly · FDA Orange Book
Is there a generic for Sotatercept-Csrk?

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

Sources: CMS Part D Spending CY24 · CMS NADAC weekly · FDA Orange Book
How much does my plan pay for Sotatercept-Csrk?

NADAC pricing data not currently available for this drug.

Sources: CMS Part D Spending CY24 · CMS NADAC weekly · FDA Orange Book
Is Sotatercept-Csrk on the FDA shortage list?

No. Sotatercept-Csrk is not currently on the FDA Drug Shortage Database.

Sources: CMS Part D Spending CY24 · CMS NADAC weekly · FDA Orange Book

4 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.

Related questions.

Q&A librarySourced · reviewed quarterly
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Browse all canonical questions →

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 · NADAC unit costs: CMS NADAC weekly file · 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.