Evidence· June 29, 2026 · 19 min readOpioid Analgesics FAERS Adverse Events and REMS: 2021–2026 TrendsA multi-year FAERS data analysis of prescription opioid adverse events and fatal outcomes from 2021 to 2026 under the FDA Opioid...By Ran Chen#Real-World Evidence#Label Warnings#Postmarketing Requirements
Policy· June 28, 2026 · 19 min readHow to Read an FDA REMS: ETASU, Shared vs. Single REMS, and the Patent DanceA detailed guide to FDA Risk Evaluation and Mitigation Strategy (REMS) programs, including ETASU levels, Single Shared REMS...By Ran Chen#REMS#Generics#FDA Approval
Generics· June 26, 2026 · 22 min readGeneric Revlimid REMS Launch: Lenalidomide ANDA Entry and NADAC AbsenceA detailed analysis of generic Revlimid (lenalidomide), exploring the 20-ANDA Orange Book landscape, patent-settlement timelines, REMS...By Ran Chen#Generics#Orange Book#Oncology
Biosimilars· June 21, 2026 · 6 min readSoliris NMOSD Exclusivity Expiration: Skinny Label & REMS Barriers for BkemvSoliris's NMOSD orphan exclusivity expires June 27, 2026, opening the door for Bkemv and Epysqli biosimilar labeling updates amid...By Ran Chen#Biosimilars#Interchangeability#Payer Criteria
Pricing & Access· May 27, 2026 · 10 min readSpravato REMS and coverage guide for esketamine accessGuide to Spravato REMS and payer coverage, including site certification, HCPCS J0013 billing, buy-and-bill vs pharmacy handling,...By Ran Chen#REMS#Prior Authorization#Coverage Access