OncoGenex Technologies, a Canada-based, clinical-stage biotechnology company, says that its lead product candidate, custirsen (OGX-011) improved survival duration when combined with second-line chemotherapy in patients with hormone refractory prostate cancer. The findings, which are from a Phase II study, were presented at this year's Genitourinary Cancers Symposium in San Francisco, USA.
The drug, which is being co-developed by OncoGenex with US firm Isis Pharmaceuticals (Marketletters passim), is designed to block the production of the cell-survival protein clusterin, which is over-expressed in several cancer indications and in response to certain cancer therapies. Increased clusterin production is linked with more rapid disease progression, increased resistance and reduced overall survival.
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