Comment by evansd

Its use in MS involves injecting it into the muscle, whereas this trial was using nebulisers to deliver it directly to the lungs so I don't think looking at MS patients would tell us anything useful.

But, as a general point, this is exactly the sort of question people should be asking about proposed treatments, as we've done recently for inhaled corticosteroids: https://twitter.com/OpenSafely/status/1277989037446438912