OncoGenex shares fall after release of prostate cancer study data
OncoGenex Pharmaceuticals Inc. shares dropped in the extended session Tuesday following a brief halt after the tiny biotech said some patients in its prostate cancer drug study did not respond to treatment. OncoGenex shares fell 29% to $1.85. The company said a subpopulation with an aggressive form of prostate cancer in its late-stage study for Custirsen did not show a significant improvement in survival when combined with cancer drug cabazitaxel, compared to cabazitaxel alone.
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