According to this article :
The clinical trial , may be one these
NCT02601014 , NCT03532217 , NCT02985957 , NCT03570619 or NCT03333616
Patients with advance prostate cancer , including Castration-resistant (CRPC)
Received an IV infusion of two drugs that boost the immune system: ipilimumab and nivolumab.
The trial has been very successful pushing the PSA from over 500 to undetectable .
This trial known as (Checkmate 650 )
Enjoy the reading , and do your own research on these trials.