Live data · NADAC + Part D CY24 · reviewed daily

Cobicistat (Tybost)

Cytochrome P450 3A Inhibitor class · 0 generic manufacturers · 0 ANDAs filed at FDA.

First FDA approval2014-09-24
Generic availableNo (brand-only)
Shortage statusDiscontinued
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

$391,226 in CY2024 Part D spend1K claims · 238 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
0 / 329
Zero PA friction across surveyed plans.

Questions a plan sponsor actually asks.

FAQPage schema11 entries indexed · 4 visible
What is Cobicistat used for?

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

Is there a generic for Cobicistat?

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

How much does my plan pay for Cobicistat?

NADAC pricing data not currently available for this drug.

Is Cobicistat on the FDA shortage list?

Cobicistat 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.

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 · 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.