OncoGenex Pharmaceuticals, Inc. (NASDAQ: OGXI) announced today publication of results from a randomized Phase 2 trial in the Journal of Clinical Oncology. The trial results showed a survival benefit with the investigational agent OGX-011/TV1011 (custirsen) in patients with advanced prostate cancer. The median overall survival for patients who were treated with custirsen plus first-line docetaxel/prednisone was 23.8 months compared to 16.9 months for patients treated with docetaxel/prednisone alone. The manuscript was published in theSeptember 20, 2010 issue of the journal.
"The survival analysis provides a strong suggestion of clinical benefit with a hazard ratio consistent with a 50% reduction in the rate of death favoring custirsen treatment," said Dr. Kim Chi, Principal Investigator and medical oncologist at BC Cancer Agency. "These data provide the foundation and rationale for the upcoming SYNERGY Phase 3 trial evaluating custirsen in approximately 800 men with metastatic CRPC."
The study investigators concluded custirsen in combination with docetaxel was well tolerated. Furthermore, they noted that adverse events associated with custirsen, including lymphopenia, rigors and fever have been reported with other antisense therapeutics.
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