We use cookies to help provide you with the best possible online experience. Please read our Privacy Policy for information about which cookies we use and what information we collect on our site. By continuing to use this site, you agree that we may store and access cookies on your device.
Cash cow Tecfidera has been pumping out blockbuster sales as Biogen plows ahead with pricey Alzheimer's trials and scouts for new pipeline assets. But what if those sales took a big hit early next year, instead of eight years later?