Onyx Pharmaceuticals Announces a Teleconference and Webcast to Provide a Clinical Update on Carfilzomib

EMERYVILLE, Calif., July 23 /PRNewswire-FirstCall/ -- Onyx Pharmaceuticals, Inc. (Nasdaq: ONXX) today announced that it will host a teleconference and webcast on Monday, July 26, 2010, at 8:00 a.m. Eastern Time (5:00 a.m. Pacific Time) to provide a clinical update on carfilzomib.

Interested parties may access a live webcast of the presentation on the company's website at: http://www.onyx-pharm.com/view.cfm/32/Event-Calendar or by dialing 847-619-6547 and using the passcode 27571112.  A replay of the presentation will be available on the Onyx website or by dialing 630-652-3044 and using the passcode 27571112# approximately one hour after the teleconference concludes.  The replay will be available through  August 9, 2010. 

About Onyx Pharmaceuticals, Inc.

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® (sorafenib) tablets, a small molecule drug that 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. Beyond Nexavar, Onyx has established a development pipeline of anticancer compounds at various stages of clinical testing, including carfilzomib, a next-generation proteasome inhibitor, that is currently being evaluated in multiple clinical trials for the treatment of patients with relapsed or relapsed/refractory multiple myeloma and solid tumors. ONX 0801, an alpha-folate receptor targeted inhibitor of the thymidylate synthase, and ONX 0912, an oral proteasome inhibitor, are currently in Phase 1 testing. For more information about Onyx, visit the company's website at www.onyx-pharm.com.

Nexavar® (sorafenib) tablets is a registered trademark of Bayer HealthCare Pharmaceuticals, Inc.

SOURCE Onyx Pharmaceuticals, Inc.