Biosimilars· June 29, 2026 · 18 min read
Soliris Biosimilar Cliff: NMOSD Exclusivity Expiry and Payer Step Edits
By Ran Chen#Biosimilars#Interchangeability#Payer Policy
Topic
Biosimilars
Follow-on biologics, reference-product erosion, payer switching, launch sequencing, and specialty-channel uptake.
Pricing & Access· June 24, 2026 · 25 min read
Amgen Portfolio Dossier: Purple Book Biologics and Biosimilars
By Ran Chen#Purple Book#Biosimilars#Drug Pricing
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
Pricing & Access· June 24, 2026 · 26 min read
J&J Janssen Portfolio Dossier: Stelara Biosimilars and Oncology Assets
By Ran Chen#Purple Book#Orange Book#Biosimilars
Pricing & Access· June 24, 2026 · 26 min read
Roche Genentech Portfolio Dossier: Subcutaneous Biologic Transitions
By Ran Chen#Purple Book#Biosimilars#J-Code
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