Most of the news coming out of Biogen Inc.these days is about Tecfidera (dimethyl fumarate), the highly anticipated, oral multiple sclerosis drug that is expected to get a green light from FDA by the end of the month. But the drug maker also is looking to maintain sales of its more mature MS franchise, Avonex (interferon beta-1a), amid increased competition in the therapeutic area. Despite the availability of several new drugs for MS, including some oral options, interferons are expected to remain a backbone of care, at least in the near-term.
Biogen is hoping to launch a new pegylated version of interferon beta-1a in 2014. The company expects to submit an...