Zogenix, Inc. (Zogenix) is a pharmaceutical company commercializing and developing products for the treatment of central nervous system disorders and pain. The Company�s product Sumavel DosePro offers needle-free subcutaneous administration of sumatriptan for the treatment of migraine and cluster headache in a pre-filled, single-use delivery system. Its lead product candidate, Zohydro (hydrocodone bitartrate, formerly ZX002) is a 12-hour extended-release formulation of hydrocodone without acetaminophen for the treatment of chronic pain requiring opioid therapy. It completed Phase 3 development of Zohydro in 2011. Sumavel DosePro and Zohydro are used for the treatment options available to patients and physicians in the United States. Its second DosePro investigational product candidate, Relday, is a injectable formulation of risperidone for the treatment of schizophrenia. In May, 2012, it submitted a New Drug Application to the Food and Drug Administration (FDA).