Revolutionary Blood Test Could Transform Prostate Cancer Screening and Monitoring
Utility of the PROSTest, a Novel Blood‐Based Molecular Assay, Versus PSA for Prostate Cancer Stratification and Detection of Disease PROSTest Shows 97% Accuracy in Detection—But Questions Remain About Long-Term Surveillance Applications Men navigating prostate cancer screening and treatment decisions may soon have access to a more accurate blood test that could reduce unnecessary biopsies while catching cancer more reliably than PSA. However, while the technology shows impressive initial results, critical questions remain about its use for active surveillance and monitoring after treatment. A prospective study of 105 men in Poland, published recently in The Prostate , found that a novel blood test called PROSTest dramatically outperformed standard PSA testing in detecting prostate cancer. The results were striking: 97% sensitivity, 96% specificity, and an area under the curve (AUROC) of 0.99 compared to PSA's 0.61. "While PSA is useful for identifying men at risk, its low s...