Pricing & Access· August 13, 2026 · 22 min readIBD Treatment Access (2026): Stelara & Humira Biosimilars Meet IL-23We map the 2026 IBD access landscape across Crohn's and UC, analyzing the Humira and Stelara biosimilar cascades, IL-23/JAK step...By Ran Chen#Biosimilars#Interchangeability#TNF Inhibitor
Approvals· July 3, 2026 · 17 min readIcotyde (icotrokinra) FDA approval and oral IL-23 psoriasis accessClinical and market-access brief on J&J's Icotyde (icotrokinra), the first oral IL-23 receptor peptide approved for moderate-to-severe...By Ran Chen#FDA Approval#Dermatology#Immunology
Evidence· June 19, 2026 · 13 min readIL-17 and IL-23 biologics in FAERS: 400,283 adverse-event reports by the numbersAn FDA FAERS read of eight IL-17, IL-23, and IL-12/23 biologics: per-drug report volume, the IBD paradox that splits the class, and...By Ran Chen#Real-World Evidence#Label Warnings#Postmarketing Requirements
Pricing & Access· May 24, 2026 · 12 min readIL-23 inhibitor access landscape: Skyrizi, Stelara, Tremfya, Omvoh, and Ilumya in 2026Cross-IL-23 coverage guide for Skyrizi, Stelara, Tremfya, Omvoh, and Ilumya. Formulary tiers, prior authorization, biosimilar entry,...By Ran Chen#Immunology#IL-23 Inhibitor#Coverage Access
Pricing & Access· May 16, 2026 · 8 min readSkyrizi coverage guide: formulary, prior authorization, and patient assistanceSkyrizi (risankizumab-rzaa) is approved for psoriasis, PsA, Crohn's disease, and ulcerative colitis. Review dosing, 2026 formulary...By Ran Chen#Immunology#IL-23 Inhibitor#Prior Authorization