Biogen is planning to trial its Spinraza spinal muscular atrophy (SMA) drug in patients who have not responded properly to Novartis' gene therapy Zolgensma, combining the two ultra-expensive ...

The cost of Spinraza injection can vary based on several factors, including your insurance coverage. Coupons and drug savings programs can also lower the price you’ll pay for Spinraza.

In the US Spinraza costs $750,000 for the first year, and $375,000 thereafter, although in the UK the list price is slightly lower at around £450,000 ($581,000) for the first year.