Before you get too excited about the new MS treatment, Pledgridy, let me first explain that it really is not new but rather New and Improved. Biogen Idec, the maker of Avonex, has improved the formula by extending the half-life meaning what was once a weekly shot has been modified to a bi-monthly injection. Half the shots! Yippee! At the same time, the FDA also approved the pre-filled, pen-type, auto-injector. The safety and efficacy are similar to interferon medications.

To read more about this topic check-out: http://www.medpagetoday.com/Neurology/MultipleSclerosis/47251.