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8-K - FORM 8-K - Ardea Biosciences, Inc./DEa57479e8vk.htm
Exhibit 16.1
(STONEFIELD JOSEPHSON LOGO)
October 7, 2010
Securities and Exchange Commission
100 F Street, N.E.
Washington, D.C. 20549-7561
We have read Item 4.01 included in the Form 8-K of Ardea Biosciences, Inc. dated October 1, 2010, to be filed with the Securities and Exchange Commission. We agree with the statements concerning our Firm in such Form 8-K; we are not in a position to agree or disagree with other statements of Ardea Biosciences, Inc. contained therein.
(GRAPHIC)
/s/ Stonefield Josephson, Inc.
                         
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