Amatuer......Biogen has a number of symptom modifying drugs which they are making money with but no effective remyelination drug. I refer you back to the Biogen lab video. Sandrock says Biogen is looking for a cure.....this new partnership is not taking them there but is filling their quiver with another treatment arrow.
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Remyelination..... Just to remind the board how much importance Biogen places on remyelination, here is the famous Biogen Lab Video again.