SAN DIEGO, Jan. 7, 2013 (GLOBE NEWSWIRE) -- Zogenix, Inc. (Nasdaq:ZGNX), a pharmaceutical company commercializing and developing products for the treatment of central nervous system disorders and pain, announced today preliminary unaudited gross product sales for the quarter ended December 31, 2012. Zogenix expects to report fourth quarter 2012 gross product sales of approximately $13.5 million on 145,200 units shipped, with unit volume up approximately 9% sequentially from third quarter 2012 and 26% from fourth quarter 2011.
