Biosimilars· June 29, 2026 · 18 min read
Soliris Biosimilar Cliff: NMOSD Exclusivity Expiry and Payer Step Edits
By Ran Chen#Biosimilars#Interchangeability#Payer Policy
Section
Biosimilars
Reference-product erosion, Purple Book status, interchangeability, payer switching, and specialty-channel uptake.
25 articles · Last updated
Biosimilars· June 24, 2026 · 17 min read
Darzalex Biosimilar Tracker: SC vs IV Formulations and the 2029 Market Entry Window
By Ran Chen#Biosimilars#Purple Book#Oncology
Biosimilars· June 23, 2026 · 18 min read
Keytruda Biosimilar Tracker: The 7-Developer Race to the 2028 Cliff
By Ran Chen#Biosimilars#Oncology#FDA Approval
Biosimilars· June 22, 2026 · 20 min read
Poherdy (Pertuzumab-dpzb): FDA Approval and Payer Dynamics
By Ran Chen#Biosimilars#FDA Approval#Oncology
Biosimilars· June 21, 2026 · 6 min read
Enbrel biosimilars compared: FDA approvals, patent litigation, and the 2029 market entry
By Ran Chen#Biosimilars#FDA Approval#TNF Inhibitor
Biosimilars· June 21, 2026 · 6 min read
Soliris NMOSD Exclusivity Expiration: Skinny Label & REMS Barriers for Bkemv
Biosimilars· June 16, 2026 · 11 min read
Interchangeable biosimilars in the Purple Book: 46 products, 12 reference biologics
By Ran Chen#Biosimilars#Interchangeability#Purple Book
Biosimilars· June 10, 2026 · 8 min read
Biosimilar competition decoded: 229 products across 20 reference drugs, one concentration
By Ran Chen#Biosimilars#Purple Book#Formulary Strategy
Biosimilars· June 7, 2026 · 8 min read
Langlara insulin glargine biosimilar: interchangeable Lantus, formulary, and switching
Biosimilars· June 1, 2026 · 12 min read
FDA biosimilar interchangeability without switching studies: the 2026 pathway
By Ran Chen#Biosimilars#Interchangeability#FDA Approval