Onyx Pharmaceuticals to Webcast June 15 Analyst Briefing

Onyx Pharmaceuticals to Webcast June 15 Analyst Briefing 


RICHMOND, Calif., June 9  /PRNewswire-FirstCall/ -- Onyx Pharmaceuticals, Inc.
(NASDAQ:ONXX) today announced today that it will webcast a post-ASCO analyst
briefing on Tuesday, June 15, 2004, beginning at 4:30 p.m. Eastern Time. 
Clinical investigators:

  -- Bernard J. Escudier, M.D. of the Institut Gustave Roussy, France,
  -- Keith T. Flaherty, M.D. of the University of Pennsylvania in
     Philadelphia, and
  -- Mark J. Ratain, M.D. of the University of Chicago,



will review recently reported clinical data for BAY 43-9006, being developed in
collaboration with Bayer Pharmaceuticals Corporation.  Interested parties may
access a live webcast of the presentation by clicking on the link below:
http://invite.mshow.com/findshow.aspx?usertype=0&cobrand=100&shownumber=168242

If for some reason you have a problem with the link above, you may Go to
http://www.mshow.com/, Click on your global region, Enter Show Number 168242,
Enter your email address, and Click on "Continue" to join the Webcast.

It is recommended that listeners log on 15 minutes early in order to register
and download any necessary software.  If you are unable to participate during
the live webcast, a recorded replay of the presentation will be available
within 48 hours of the completion of the presentation through July 15.

Onyx Pharmaceuticals is engaged in the development of novel cancer therapies
that target the molecular basis of cancer.  With its collaborators, the company
is developing small molecule drugs, including BAY 43-9006 with Bayer
Pharmaceuticals Corporation.  For more information about Onyx's pipeline and
activities, visit the company's website at http://www.onyx-pharm.com/. 

DATASOURCE: Onyx Pharmaceuticals, Inc.



CONTACT:  Julie Wood of Onyx Pharmaceuticals, Inc., [phone]



Web site:  http://www.onyx-pharm.com/ 

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