Sanofi has paid big bucks to enter the race to develop a new drug for MS. The drug was developed by Principia Biopharma and crosses the blood-brain barrier making it an attractive candidate not only for MS but for the treatment of other neurological disease.

Sanofi Enters the Race to Develop a New Drug for Multiple Sclerosis

Tweets on this subject
Sanofi has committed up to $805 million to license a preclinical multiple sclerosis drug from Principia Biopharma: https://t.co/U8JT3n6ucA
— FierceBiotech (@FierceBiotech) November 9, 2017
Sanofi pays $40M, commits $765M more for preclinical MS drug https://t.co/l9ruH5YDQg pic.twitter.com/4o5lK4xeu5
— BioCalifornia (@BioCalifornia) November 9, 2017