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Sanofi Reports the US FDA’s Acceptance & Priority Review of Tolebrutinib for Non-Relapsing Secondary Progressive Multiple Sclerosis

Shots:

  • The US FDA has accepted NDA & granted priority review to tolebrutinib for nrSPMS & slowing disability progression independent of relapse (PDUFA: Sep 28, 2025); MAA is under EMA review
  • Submission was backed by P-III trials, incl. HERCULES for nrSPMS & GEMINI 1 & 2 for relapsing MS, along with clinical & preclinical data supporting tolebrutinib’s MoA while also aligning with the hypothesis that smoldering neuroinflammation is a key MS process & major driver of disability accumulation
  • Additionally, Tolebrutinib is being evaluated in an ongoing P-III (PERSEUS) trial for primary progressive MS, with results anticipated in H2’25

Ref: Sanofi  | Image: Sanofi 

Related News:- Sanofi to Acquire Dren Bio’s Bispecific Antibody DR-0201 for ~$1.9B

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