Supernus Pharmaceuticals, Inc. focuses on the development and commercialization of products for the treatment of central nervous system (CNS)diseases in the United States. Its commercial products include Trokendi XR, an extended release topiramate product indicated for the. treatment of epilepsy, as well as for the prophylaxis of migraine headache. The company markets and sells its products through pharmaceutical wholesalers, specialty pharmacies, and distributors.