EMERYVILLE, Calif., Sept. 4 /PRNewswire-FirstCall/ -- Onyx Pharmaceuticals, Inc. today announced that it will present at the Morgan Stanley Global Healthcare Unplugged Conference on Monday, September 14, at 10:55 a.m. Eastern Time. Interested parties may access a live webcast of the presentation on our website at: http://www.onyx-pharm.com/view.cfm/32/Event-Calendar

It is recommended that listeners log on 15 minutes early in order to register and download any necessary software. For those unable to participate during the live webcast, a recorded replay of the presentation will be available one hour following the conclusion of the presentation through October 14, 2009.

Onyx Pharmaceuticals, Inc. is a biopharmaceutical company committed to improving the lives of people with cancer. The company, in collaboration with Bayer HealthCare Pharmaceuticals, Inc., is developing and marketing Nexavar , a small molecule drug. Nexavar is currently approved for the treatment of liver cancer and advanced kidney cancer. Additionally, Nexavar is being investigated in several ongoing trials in a variety of tumor types. For more information about Onyx, visit the company''s website at http://www.onyx-pharm.com/.

Nexavar (sorafenib) tablets is a registered trademark of Bayer Pharmaceuticals Corporation.

Onyx Pharmaceuticals, Inc.

CONTACT: Alex Santos of Onyx Pharmaceuticals, Inc., +1-510-597-6504

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