A significant benefit was observed with Tysabri over Rebif in delaying SPMS disability progression when therapeutic lag was ...

Studies have shown that starting a high-efficacy DMT like Tysabri earlier in the disease course can also lead to less ...

Sales of Biogen’s BIIB key multiple sclerosis (“MS”) drugs like Tecfidera and Tysabri and spinal muscular atrophy (SMA) treatment, Spinraza, are being hurt due to competitive pressure, which is ...