On January 10, 2013, we issued a press release announcing, among other things, our clinical trial updates and 2013 corporate strategies and milestones. A copy of the press release is attached hereto as Exhibit 99.1 and incorporated by reference herein.

The press release is furnished and shall not be deemed "filed" for purposes of
Section 18 of the Securities Exchange Act of 1934, as amended, or subject to the liabilities of that Section or Sections 11 and 12(a)(2) of the Securities Act of 1933, as amended. The information contained herein and in the accompanying exhibit shall not be incorporated by reference into any filing with the Securities and Exchange Commission made by Sunesis, whether made before or after the date hereof, regardless of any general incorporation language in such filing.

(d) Exhibits.

Exhibit No.                                  Description

   99.1           Press Release, dated January 10, 2013, entitled "Sunesis
                  Announces Clinical Trial Updates and 2013 Milestones at the 31st
                  Annual JP Morgan Healthcare Conference"