Cost and Coverage of Originator and Biosimilar Ustekinumab Products in Medicare Part D

doi:10.1001/jamanetworkopen.2026.31556

DOI: 10.1001/jamanetworkopen.2026.31556 ISSN: 2574-3805

Cost and Coverage of Originator and Biosimilar Ustekinumab Products in Medicare Part D

Grace Castle, Michael A. Carrier, Rachel E. Sachs, Nancy L. Keating, Haiden A. Huskamp, Stacie B. Dusetzina

This cross-sectional study investigates the cost and coverage of ustekinumab originator Stelara and biosimilar products in 2026 for Medicare Part D.

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