Item 5.02. Departure of Directors or Principal Officers; Election of Directors; Appointment of Principal Officers

Effective June 3, 2008, we appointed David L. Tousley to our board of directors.

Mr. Tousley has over 25 years of senior-level experience in biotech, specialty pharmaceuticals and full-phase pharmaceutical companies. He has held the position of President, COO and CFO at companies including airPharma, PediaMed Pharmaceuticals, AVAX Technologies, and Pasteur, Merieux, Connaught, (known today as Sanofi-Pasteur). During his career, Mr. Tousley has led all aspects of operations, including pharmaceutical development, in both the private and public company environment. His accomplishments include the raising over $90 million in debt and equity financings and he has led key business development activities, including joint ventures, partnerships, acquisitions and divestitures in the U.S., Europe and Australia.

Mr. Tousley currently serves as a director of ImmunoGenetix Therapeutics, a biotech company that is developing advanced DNA immunotherapies for HIV infection. He holds an MBA in accounting from Rutgers Graduate School of Business and a B.A. in English from Rutgers College, both in New Jersey. Mr. Tousley belongs to the New Jersey Society of Certified Public Accountants and the American Institute of Certified Public Accountants.

Our board of directors now includes Cameron Durant, Harvey Lalach, Alison Ayers and David L. Tousley.