Wasn't that a prostate cancer treatment that shot

Wasn't that a prostate cancer treatment that shot up from like $2 to $40 overnight before it officially got approved? Then when the company or FDA announced that it hadn't it gotten approval it dropped back to single digits for a week or so until approval was officially announced, then it roared back to over $40? Whatever it was became a catchphrase of investors' hopes for a while on msg boards where people would say "I hope this is the next (whatever the prostate drug was called).