News Health & Medicine A precision drug for prostate cancer may slow the disease’s spread Olaparib could be used to treat men with certain genetic mutations Prostate cancer cells (illustrated) can spread throughout the body, forming tumors. A drug used to combat some breast and ovarian cancers may one day be used to address the hardest-to-treat prostate cancers. Dr_Microbe/iStock/Getty Images Plus Share this:EmailFacebookTwitterPinterestPocketRedditPrint By Sofie Bates October 16, 2019 at 7:00 am A drug used to treat breast and ovarian cancers tied to certain genetic mutations may help combat some of the most severe cases of prostate cancer.