Omeros faces negative EMA panel opinion on narsoplimab marketing application for TA-TMA

Omeros Corporation

Omeros Corporation

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  • Omeros faces a setback in Europe after the EMA’s CHMP adopted a negative opinion on its marketing application for TA-TMA drug narsoplimab.
  • The company plans to seek a CHMP re-examination, including review by an EMA-convened Ad Hoc Expert Group.
  • Narsoplimab, sold as YARTEMLEA, won FDA clearance in December 2025, leaving Europe without an authorized TA-TMA treatment.
  • Omeros plans to keep supplying YARTEMLEA in Europe via compassionate use, though access will remain limited without EMA authorization.


Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Omeros Corporation published the original content used to generate this news brief via Business Wire (Ref. ID: 20260626549696) on June 26, 2026, and is solely responsible for the information contained therein.