Proteolix Presents Phase 1b/2 Clinical Data for Carfilzomib in Advanced Solid Tumor Patients at the 2009 ASCO Annu...( Promising Anti-cancer Activity Observ...),Health

Promising Anti-cancer Activity Observed in Relapsed Patients

ORLANDO, Fla., and SOUTH SAN FRANCISCO, Calif. , May 30 /PRNewswire/ -- Proteolix, Inc. today reported on clinical advances for its carfilzomib solid tumor program in an oral presentation at the 2009 Annual Meeting of the American Society of Oncology (ASCO) in Orlando, Florida. Data from a Phase 1b study and an ongoing Phase 2 clinical trial of carfilzomib in relapsed patients with advanced solid tumors demonstrate promising single-agent anti-cancer activity. Carfilzomib is the first in a new class of selective, irreversible proteasome inhibitors being developed by Proteolix for the treatment of hematologic malignancies and solid tumors.

"In these clinical studies, carfilzomib demonstrated promising activity as a highly selective and potent inhibitor of the proteasome for treatment of solid tumor patients. The compound's unique characteristics enable the drug to be well tolerated with consecutive day dosing, which in turn appears to improve anti-cancer activity. Early results among patients with late-stage or metastatic solid tumors who have failed multiple prior treatments are encouraging, with a number of patients achieving stable disease or better lasting for several months," said Peter J. Rosen, M.D., Medical Director of the Tower Cancer Research Foundation and Emeritus Professor, UCLA.

Data from the Phase 1b/2 clinical trials of relapsed solid tumor patients were presented by Dr. Rosen at the 2009 Annual Meeting of the American Society of Clinical Oncology (ASCO) in an oral presentation titled "Phase II results of Study PX-171-007: A Phase Ib/II study of carfilzomib (CFZ), a selective proteasome inhibitor, in patients with selected advanced metastatic solid tumors" (Abstract #3515).

The Phase 1b dose-escalating clinical trial enrolled patients with a variety of relapsed solid tumors established a dosing schedul
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