SAN DIEGO, March 1, 2011 (GLOBE NEWSWIRE) -- Zogenix, Inc. (Nasdaq:ZGNX) today announced that data from a Phase 4 clinical study of SUMAVEL® DosePro™ (sumatriptan injection) Needle-free Delivery System will be presented in two posters at the 63rd Annual Meeting of the American Academy of Neurology (AAN), to be held April 9 – 16, 2011 at the Hawaii Convention Center, Honolulu, HI. A summary of the Company’s AAN presentations is below, and the abstracts can be accessed at the AAN website at www.aan.com.