Medivation, Inc. Announces Upcoming Data Presentations on Dimebon’s Mechanism of Action

SAN FRANCISCO, Nov. 17 /PRNewswire-FirstCall/ -- Medivation, Inc. today announced that new data about the mechanism of action of Dimebon, its lead product candidate in development to treat Alzheimer’s and Huntington’s diseases, will be presented at upcoming scientific conferences:

About Dimebon

Results from the first pivotal trial of Dimebon in Alzheimer’s disease showed that patients treated with Dimebon experienced statistically significant improvements compared to placebo in key aspects of the disease -- memory and thinking, activities of daily living, behavior and overall function. Dimebon’s benefit over placebo continued to increase throughout the 12-month treatment period. At the end of 12 months, Dimebon-treated patients were on average functioning as well or better than they had been at the start of the study on each of 5 clinical endpoints. These results were published in the July 19, 2008, edition of The Lancet.

In July 2008, Medivation announced positive safety and efficacy results from its Phase 2 trial of Dimebon in Huntington’s disease. Dimebon appeared to be well tolerated and showed statistically significant benefit versus placebo in cognition as measured by the Mini-Mental State Examination, a secondary endpoint in the study.

About Medivation

Medivation, Inc. is a biopharmaceutical company focused on the rapid development of novel small molecule drugs to treat serious diseases for which there are limited treatment options. Medivation aims to transform the treatment of these diseases and offer hope to critically ill patients and their caregivers. The Company’s current clinical development program includes a pivotal and confirmatory Phase 3 trial of Dimebon in Alzheimer’s disease and a Phase 1-2 clinical trial of MDV3100 in patients with castration-resistant (also known as hormone-refractory) prostate cancer. Medivation recently announced that it plans to continue further development of Dimebon in patients with mild-to-moderate Huntington’s disease based on the positive results seen in its Phase 2 trial. In September 2008, Medivation entered into a global agreement with Pfizer Inc to develop and commercialize Dimebon for the treatment of Alzheimer’s and Huntington’s diseases. For more information, please visit us at http://www.medivation.com.

This press release contains forward-looking statements, including statements regarding the mechanism of action of Dimebon, the potential benefits of Dimebon as a treatment for Alzheimer’s disease and Huntington’s disease and future clinical development plans and milestones, which are made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. Any statements contained in this press release that are not statements of historical fact may be deemed to be forward-looking statements. Forward-looking statements involve risks and uncertainties that could cause Medivation’s actual results to differ significantly from those projected, including, without limitation, risks related to progress, timing and results of Medivation’s clinical trials, difficulties or delays in obtaining regulatory approval, enrollment of patients in Medivation’s clinical trials, partnering of Medivation’s product candidates, including Medivation’s collaborative relationship with Pfizer, manufacturing of Medivation’s product candidates, competition with Medivation’s product candidates should they receive marketing approval, the adequacy of Medivation’s financial resources, unanticipated expenditures or liabilities, intellectual property matters, and other risks detailed in Medivation’s filings with the Securities and Exchange Commission, including its quarterly report on Form 10-Q filed on November 10, 2008 with the SEC. You are cautioned not to place undue reliance on the forward-looking statements, which speak only as of the date of this release. Medivation disclaims any obligation or undertaking to update or revise any forward-looking statements contained in this press release.

CONTACT: Patrick Machado, Chief Financial Officer of Medivation, Inc.,
+1-415-829-4101; or Daryl Messinger of WeissComm Partners, +1-415-946-1062,
for Medivation, Inc.

Web site: http://www.medivation.com/

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