Class summary at a glance.

Every drug in the Interferon beta class tracked across NADAC, Part D Formulary, Part D Spending, FDA Orange Book, and shortage data. Ranked below by CY24 Part D spend. Click any molecule for the full drug profile.

Molecules in class: 2tracked in Part D
CY24 Part D spend: $528.5Mcombined across class
Total Rx claims: 56K9K unique beneficiaries
Generic mfrs (active): 0across all molecules

Every drug in this class, ranked by Part D spend.

CY2024 dataCMS Part D Spending Dashboard

Interferon Beta-1A

Brand: AVONEX · 50K Part D claims (CY24) · 8K beneficiaries · First FDA approval: 2002-03-07

Brand-only (no generics) 497 plans require PA

Low NADAC$1848.67

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Avg plan cost$6498.44

Part D spend $468.4M 4× spread, current vs floor

Class share

89%

of class CY24 spend

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Peginterferon Beta-1A

Brand: Plegridy · 6K Part D claims (CY24) · 1K beneficiaries · First FDA approval: 2014-08-15

Brand-only (no generics) 214 plans require PA

Low NADAC—

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Avg plan cost—

Part D spend $60.0M

Class share

11%

of class CY24 spend

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Class summary at a glance.

Every drug in this class, ranked by Part D spend.

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