MyCounterpane Founder Kate Milliken sat down with Dr. Timothy Coetzee, PhD, the Chief Advocacy, Services & Research Officer for The National MS Society to answer questions submitted by people online who are living with MS. The second questions was this: What is the cost and length of a clinical trial for a new MS drug? If you've ever wondered why MS drugs are so expensive, watch this video to see Dr. Coetzee's explanation. Share your comments or questions below. See the first