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Keryx Biopharmaceuticals, Inc. Announces Poster Presentation Highlighting Observed Clinical Activity of KRX-0401 (Perifosine) at the American Society of Clinical Oncology Meeting in Chicago, Illinois
Date:6/2/2008

combination with sorafenib for patients with advanced cancers including renal cell carcinoma.

Investigators: M. T. Schreeder, R. A. Figlin, J. J. Stephenson, L. Campos, S. P. Chawla, D. R. Spigel, A. Spira

Abstract 14565: Phase 1 report from a multicenter trial of perifosine (PERI) + sunitinib (SUT) in patients with advanced cancers including renal cell carcinoma.

Investigators: P. Allerton, B. Ebrahimi, M. T. Schreeder, P. Kaiser, S. P. Chawla

Abstract 16083: Preclinical rationale for combination targeted therapy in advanced clear cell renal cell carcinoma (RCC): Abrogation of rapamycin-mediated induction of AKT phosphorylation by perifosine.

Investigators: W. S. Holland, P. C. Mack, D. R. Gandara, P. N. Lara

KRX-0401 (Perifosine) Mechanism of Action and Profile

KRX-0401 (Perifosine) is a novel, potentially first-in-class, oral anti-cancer agent that modulates Akt and a number of other key signal transduction pathways, including the JNK and MAPK pathways, all of which are pathways associated with programmed cell death, cell growth, cell differentiation and cell survival. The effects of perifosine on Akt are of particular interest because of the importance of this pathway in the development of most cancers, the evidence that it is often activated in tumors that are resistant to other forms of anticancer therapy, and the difficulty encountered thus far in the discovery of drugs that will inhibit this pathway without causing excessive toxicity. High levels of activated Akt (pAkt) are seen frequently in many types of cancer and have been correlated with poor prognosis in patients with soft-tissue sarcoma, gastric, hepatocellular, endometrial, prostate, renal cell, head and neck cancers and hematological malignancies, as well as glioblastoma. The majority of tumors expressing high levels of pAkt were high-grade, advanced stage or had other features associated with poor prognosis. High pAkt is often seen in tumors that are
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SOURCE Keryx Biopharmaceuticals, Inc.
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