Study Finds More Than 40 Percent of Prostate Biopsies Could Be Avoided with New Blood Test

Excerpt:

A multi-center study that validates the clinical performance of IsoPSA—a new blood test that has proven to be more accurate in predicting overall risk of prostate cancer than standard prostate-specific antigen (PSA) – will be presented during a special press conference at the 13th Annual Meeting of the American Urological Association (AUA) on May 18 in San Francisco.

“Results showed that more than 40 percent of biopsies could have been avoided in both the preliminary study (45.1 percent) and validation study (47 percent), suggesting that use of IsoPSA may substantially reduce the need for , and may thus lower the likelihood of overdetection and overtreatment of nonlethal  cancer.”

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New Blood Test Is More Accurate in Predicting Prostate Cancer Risk Than PSA

Excerpt:

“A team of researchers from Cleveland Clinic, Louis Stokes Cleveland VA Medical Center, Kaiser Permanente Northwest, and other clinical sites have demonstrated that a new blood test known as IsoPSA detects prostate cancer more precisely than current tests in two crucial measures — distinguishing cancer from benign conditions, and identifying patients with high-risk disease.

“By identifying molecular changes in the prostate specific antigen (PSA) protein, the findings, published online last month by European Urology, suggest that once validated, use of IsoPSA may substantially reduce the need for biopsy, and may thus lower the likelihood of overdetection and overtreatment of nonlethal prostate cancer.”

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