OncoGenex initiates OGX-427 Phase 2 trial for metastatic prostate cancer

OncoGenex Pharmaceuticals, Inc. (NASDAQ: OGXI) announced today the initiation of a randomized, controlled, investigator-sponsored Phase 2 trial of OGX-427 in men with metastatic prostate cancer.

The Phase 2 trial will enroll up to 72 patients who have minimally symptomatic or asymptomatic advanced prostate cancer and who have not yet received chemotherapy. The trial is designed to determine the potential benefit of OGX-427 by evaluating the proportion of patients who are without disease progression at 12 weeks after study treatment with or without OGX-427. This Phase 2 trial will also measure the direct effect of OGX-427 on prostate specific antigen (PSA) levels, time to progression by PSA or measurable disease, numbers of circulating tumor cells (CTCs) and other relevant secondary endpoints.

"Advanced prostate cancer involves the reactivation of the androgen receptor and, thus, many tumors are not uniformly 'hormone refractory' and may remain sensitive to therapies directed against the androgen receptor axis," said Dr. Kim Chi, Principal Investigator of the OGX-427 Phase 2 trial. "OGX-427 is designed to offer a unique and novel approach to androgen receptor inhibition including decreasing levels of the androgen receptor itself and potentially filling an unmet need in the prostate cancer treatment continuum."

As announced in January 2010, the source of funding for this trial will include grant funding. Such funds were awarded by an independent granting agency to Dr. Kim Chi, a medical oncologist at the BC Cancer Agency and Research Scientist at the Vancouver Prostate Centre.

SOURCE OncoGenex Pharmaceuticals, Inc.

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