Date:4/27/2009

inherent in the Orexigen business, including, without limitation: the clinical trials of Contrave may produce negative or inconclusive results, or may be inconsistent with previously conducted clinical trials, and the FDA may not agree with the Company's interpretation of efficacy and safety results; the potential that earlier clinical trials may not be predictive of future results; Contrave may not receive regulatory approval on a timely basis or at all; the FDA may require Orexigen to complete additional clinical, non-clinical or other requirements prior to the submission or the approval of NDAs for either product candidate; the potential for adverse safety findings relating to Contrave to delay or prevent regulatory approval or commercialization, or result in product liability claims; the third parties on whom Orexigen relies to assist with the development programs for Contrave, including clinical investigators, contract laboratories, clinical research organizations and manufacturing organizations, may not successfully carry out their contractual duties or obligations or meet expected deadlines, and the quality or accuracy of the data or materials generated by such third parties may be of insufficient quality to include in the Company's regulatory submissions; the ability of Orexigen and its licensors to obtain, maintain and successfully enforce adequate patent and other intellectual property protection of Contrave; and other risks described in the Company's filings with the Securities and Exchange Commission. You are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date hereof, and Orexigen undertakes no obligation to revise or update this news release to reflect events or circumstances after the date hereof. All forward-looking statements are qualified in their entirety by this cautionary statement. This caution is made under the safe harbor provisions of Section 21E of the Private Securities Litigation Refo
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SOURCE Orexigen Therapeutics, Inc. Copyright©2009 PR Newswire. All rights reserved

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