The National Institute of Health estimates that one in seven men will be diagnosed with the disease at some point in their lives.
The test can also quickly detect if prostate cancer is evolving genetically and might be becoming drug-resistant.
'We think this is one of the biggest survival benefits ever reported in a trial of an adult solid tumor,' said one expert.
Ben Stiller underwent surgery two years ago and is now cancer-free.
A new analysis suggests infrequent screening has resulted in an increase in the number of men diagnosed with a form of the disease.
Several mutations in the most aggressive form of the disease may respond to drugs used for other cancer types.
The Prostate Cancer Foundation returned a $17,000 donation from Reddit because it doesn't want to be associated with the site, a spokeswoman said