Genomic Health announces data reinforcing robustness of Oncotype DX Genomic Health presented positive results reinforcing the robustness of the Oncotype DX prostate cancer test's development as a predictor of prostate cancer aggressiveness. A sub-analysis of a large Oncotype DX Genomic Prostate Score, or GPS, development study suggests that GPS predicts time to clinical progression regardless of the treatment received following surgery. This exploratory analysis from one of the original development studies looked at a subset of 185 prostate cancer patients who experienced biochemical recurrence after surgery. These patients were analyzed in three subgroups based on treatment received at time of biochemical recurrence: men who did not receive additional treatment, men who received hormonal therapy and men who received radiation therapy. Results showed that the Oncotype DX Genomic Prostate Score was predictive of clinical recurrence for all patients, regardless of the type of treatment patients received. For each therapy subgroup, different biological pathways within the GPS were most highly associated with patient outcome.