Acorda Therapeutics, Inc. (Acorda) is a commercial-stage biopharmaceutical company. The Company is engaged in the identification, development and commercialization of novel therapies that improve neurological function in people with multiple sclerosis (MS), spinal cord injury (SCI), and other disorders of the nervous system. Ampyra (dalfampridine) is an extended release tablet formulation of dalfampridine (4-aminopyridine, 4-AP). It also sells Zanaflex Capsules and Zanaflex tablets, which contain tizanidine hydrochloride, a short-acting drug for the management of spasticity. Ampyra is marketed as Fampyra outside the United States by Biogen Idec International GmbH (Biogen Idec). On February 6, 2012, the Company launched tizanidine hydrochloride capsules, an authorized generic version of Zanaflex Capsules under an agreement with Watson Pharma, Inc. In December 2012, the Company acquired Neuronex, Inc.