Researchers say they have identified a biomarker that indicates a more agressive form of prostate cancer. Fox Chase Cancer Centers chairman of radiation oncology, Alan Pollack, M.D., Ph.D., presented the findings today at the 47th Annual Meeting of the American Society for Therapeutic Radiology and Oncology in Denver, Colo.
"Staging factors for prostate cancer such as PSA and the Gleason score are extremely useful in predicting prostate cancer outcome," explained Pollack. "However, new biomarkers hold promise in strengthening our ability to predict response to treatment. By identifying the more virulent forms of prostate cancer, we may be able to tailor treatment or develop therapies to target the abnormalities identified."
In the Radiation Therapy Oncology Group-sponsored study (RTOG 92-02), Pollack and his colleagues show that the overexpression of a protein called MDM2 is a strong and independent predictor that the prostate cancer will metastasize beyond the prostate gland and indicates an increased chance of death from the disease.
Karen C. Mallet | EurekAlert!
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