Onyx Pharmaceuticals Announces Data Presentations Highlighting Carfilzomib at 53rd American Society of Hematology Annual Meeting

Onyx Pharmaceuticals, Inc. (Nasdaq: ONXX) today announced the presentation of several studies evaluating carfilzomib, a selective, next-generation proteasome inhibitor, at the American Society of Hematology (ASH) Annual Meeting, December 10-13, 2011, at the San Diego Convention Center in San Diego, CA."The results being presented at ASH demonstrate carfilzomib's potential activity along all lines of multiple myeloma, and we are encouraged by this clinical data ranging from frontline to relapsed and refractory disease," said Ted W. Love, M.D., Executive Vice President and Head of Research and Development and Technical Operations at Onyx Pharmaceuticals. "We are committed to bringing this promising therapy to patients as quickly as possible. We have submitted a new drug application for carfilzomib for the potential treatment of patients with relapsed and refractory multiple myeloma under the accelerated approval pathway, and also have a Phase 3 development program well underway."