Newer PSA Test Reportedly Would Prevent 40 Percent of Biopsies

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A new blood test, the IsoPSA, showed promise in trials to more accurately diagnose prostate cancer. Dr. Richard J. Ablin, BIO5 researcher, member of the Arizona Cancer Center, and Professor at the UA College of Medicine—Tucson, performed research in hopes of finding an antigen specific to the prostate for use in a blood test for prostate cancer screening, which led to the discovery of PSA in 1970.