The reign of Biogen, Inc.’s Spinraza in spinal muscular atrophy (SMA) has been challenged by Novartis AG’ Zolgensma and Roche Holding AG’s Evrysdi, but experts say the complementary approach of myostatin inhibition could shift the treatment paradigm even further.
The SMA market took off in 2016 with the US Food and Drug Administration approval of Spinraza (nusinersen), an antisense...







