Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

(d) On November 5, 2009, the Board of Directors of the Company appointed L. Patrick Gage, Ph.D. as a new Class I director of the Company. Dr. Gage is expected to be appointed to serve on the Company's Compensation and Talent Committee. Dr. Gage has been granted an option to purchase 30,000 shares of the Company's common stock at an exercise price equal to the closing price of the Company's common stock, as listed on NASDAQ, on November 5, 2009. The option will vest monthly over the next 36 months, until all of such shares are fully vested, subject to Dr. Gage's continued service relationship with the Company on such dates.

Item 9.01 Financial Statements and Exhibits.

(c) Exhibits.

The following Exhibits is filed as part of this Current Report on Form 8-K:

Exhibit No. Description

99.1 Press Release, dated November 6, 2009.

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