Sanofi calls FDA rejection of potential MS blockbuster tolebrutinib “unexpected” amid evolving agency views on benefit–risk

Sanofi; tolebrutinib; multiple sclerosis; nrSPMS; BTK inhibitor; FDA rejection; complete response letter; DILI; primary progressive MS; Perseus trial; evolving FDA perspectives

Sanofi calls FDA rejection of potential MS blockbuster tolebrutinib “unexpected” amid evolving agency views on benefit–risk

Sanofi; tolebrutinib; multiple sclerosis; nrSPMS; BTK inhibitor; FDA rejection; complete response letter; DILI; primary progressive MS; Perseus trial; evolving FDA perspectives

Sanofi calls FDA rejection of potential MS blockbuster tolebrutinib “unexpected” amid evolving agency views on benefit–risk

Sanofi; tolebrutinib; multiple sclerosis; nrSPMS; BTK inhibitor; FDA rejection; complete response letter; DILI; primary progressive MS; Perseus trial; evolving FDA perspectives

Sanofi calls FDA rejection of potential MS blockbuster tolebrutinib “unexpected” amid evolving agency views on benefit–risk

Sanofi; tolebrutinib; multiple sclerosis; nrSPMS; BTK inhibitor; FDA rejection; complete response letter; DILI; primary progressive MS; Perseus trial; evolving FDA perspectives

Sanofi’s MS Drug Tolebrutinib Faces FDA Delay Amid Extended Review

Sanofi; tolebrutinib; FDA delay; multiple sclerosis; nrSPMS; Bruton’s tyrosine kinase inhibitor; breakthrough therapy; HERCULES trial; GEMINI trial; PERSEUS trial; NDA; regulatory review