SAN DIEGO, June 1, 2011 /PRNewswire/ -- Orexigen® Therapeutics, Inc. (Nasdaq: OREX), a biopharmaceutical company focused on the treatment of obesity, will announce a regulatory update on Friday, June 3, 2011 before the markets open. The announcement will be followed by a live webcast and conference call at 8:00 a.m. Eastern time.

Orexigen management will host the call and webcast to discuss this update. The live call may be accessed by phone by calling (866) 730-5771 (domestic) or (857) 350-1595 (international), participant code 27244834. The webcast can be accessed live on the investor relations section of the Orexigen web site at www.orexigen.com and will be archived for 14 days following the call.

About Orexigen Therapeutics

Orexigen Therapeutics, Inc. is a biopharmaceutical company focused on the treatment of obesity. The Company's lead product, Contrave®, has completed Phase 3 clinical trials and has received a Complete Response Letter from the FDA for its New Drug Application. The Company is in the process of determining the next steps for Contrave. The Company's second product, Empatic™, has completed Phase 2 clinical development. Each product candidate is designed to act on a specific group of neurons in the central nervous system with the goal of achieving appetite suppression and sustained weight loss, through combination therapeutic approaches. Further information about the Company can be found at www.orexigen.com.

SOURCE Orexigen Therapeutics, Inc.