Sanofi provides update on tolebrutinib regulatory submission in non-relapsing secondary progressive multiple sclerosis Ongoing discussions with the FDA regarding nrSPMS application have indicated regulatory decision for tolebrutinib is anticipated to be delayed Paris, December 15, 2025. Sanofi anticipates that the review process for the ongoing US regulatory review of tolebrutinib in non-relapsing secondary progressive multiple sclerosis (nrSPMS) will extend beyond the previously communicated US target acti ...