Spinraza (nusinersen) is a prescription drug used to treat spinal muscular atrophy. Spinraza can cause side effects that range from mild to serious. Examples include headache and fever. Keep ...

Spinal muscular atrophy (SMA) therapy Spinraza has been a key earner for Biogen in recent years, but with sales now heading into reverse, the company is looking to extend its franchise.

However while Spinraza had a very strong launch in the first half of 2017, its US sales faltered in Q3 to $197.6 million, barely above the $194.8 million achieve in the previous quarter.

Application is supported by results from the DEVOTE study, which suggested that two doses of Spinraza (nusinerse) 50 mg taken 14 days apart can deliver significant clinical benefits in patients with ...