Myriad Genetics Blog Blog > What is the Prolaris test? What is the Prolaris test? June 10, 2022 Patient Blog Urology The Prolaris test is a genetic test for untreated men with prostate cancer that can determine how quickly cancer is growing. Prolaris helps provide clarity about your cancer’s behavior, so you can make informed decisions about your treatment with confidence. Is the test right for me? Any patient diagnosed with localized prostate cancer is a candidate for Prolaris testing. There is no need to undergo any additional biopsies since all patients with prostate cancer have received a prostate biopsy. Why take the test? The Prolaris test adds clinically proven, objective information to subjective diagnostic tools like PSA and Gleason. It gives you clear answers to some of your most pressing questions, like how aggressive is my prostate cancer? Benefits of Prolaris: Identifies your chance of dying from prostate cancerKnow your chance of cancer spreading into other areas of your bodyConfidence to choose active surveillance or active treatment In order for you and your physician to face your prostate cancer with confidence, choose Prolaris. Request a Prolaris patient guide