$48.1M in CY2024 Part D spend10K claims · 1K beneficiaries · 329 plans surveyed
Questions a plan sponsor actually asks.
What is Bosentan used for?
Bosentan is a Endothelin Receptor Antagonist medication tracked in Medicare Part D.
Is there a generic for Bosentan?
Yes. 8 ANDAs filed at FDA, 4 generic manufacturers currently shipping.
How much does my plan pay for Bosentan?
NADAC pricing data not currently available for this drug.
Is Bosentan on the FDA shortage list?
Bosentan has been discontinued by its manufacturer(s).
7 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.
Same class. Different math.
Sources · every number above traces back.
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 · 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.