UNITED STATES SECURITIES AND EXCHANGE COMMISSION

FORM 8-K

CURRENT REPORT
Pursuant to Section 13 or 15(d) of the
Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): January 25, 2005

CANCERVAX CORPORATION

(Exact Name of Registrant as Specified in its Charter)

Registrant’s telephone number, including area code: (760) 494-4200

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Table of Contents

Item 7.01. Regulation FD Disclosure.

     As previously announced in CancerVax Corporation’s January 19, 2005 press release, David F. Hale, the Company’s President and Chief Executive Officer, will present a corporate overview at 8:00 a.m. (EST) on Wednesday, January 26, 2005, at the Piper Jaffray 17^th Annual Healthcare Conference. Mr. Hale’s presentation will provide an overview of the Company’s pipeline of biological products for the treatment and control of cancer, including the Company’s recently announced worldwide collaboration agreement with Serono for the development and commercialization of Canvaxin™, an investigational specific active immunotherapy product in Phase 3 clinical trials for the treatment of Stage III and Stage IV, or advanced-stage, melanoma, a deadly form of skin cancer. Mr. Hale will announce that, as of January 21, 2005, 474 patients had been enrolled in the Company’s Stage IV clinical trial. Mr. Hale will also announce that the date for the third interim analysis of data from the Stage IV clinical trial is now anticipated to occur in the 4^th quarter of 2005 or the 1^st quarter of 2006 and that the date for the third interim analysis of data from the Stage III clinical trial is now anticipated to occur in the 1^st or 2^nd quarter of 2005. In addition, Mr. Hale will announce that the commencement of a clinical trial with SAI-EGF, a Phase 2 specific active immunotherapeutic product candidate that targets the EGF receptor signaling pathway, is now anticipated to occur in the 2^nd half of 2005. A copy of the power point presentation of Mr. Hale is attached hereto as exhibit 99.1.

     A live recording of the Mr. Hale’s presentation will be available at http://ir.cancervax.com. To access the presentation, click on the link entitled “Event Schedule” on the left side of the screen. The webcast will be available for 30 days and then will be archived.

     The information in this Current Report on Form 8-K shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liability of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such a filing.

Item 9.01. Financial Statements and Exhibits.

(c) Exhibits.

SIGNATURES

     Pursuant to the requirements of the Exchange Act, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

EXHIBIT INDEX