US visitors, please note: This website contains information on the PROGENSA® PCA3 Assay which is targeted to a wide range of audiences and could contain product details or information otherwise not accessible or applicable in the USA. View details on US FDA approval for PROGENSA® PCA3 Assay.
One type of measurement that can be used to help determine whether a new treatment is effective. It refers to the probability that a patient will remain alive, without the disease/cancer getting worse.