AR - V7 is an androgen receptor splice variant that can be detected in circulating tumor cells of metastatic prostate cancer patients .
In 2016 , a phase II study using ipilimumab and nivolumab in AR - V7 - expressing metastatic castration - resistant prostate cancer was opened .
AR - V7 is an AR - V7       that can be detected in circulating tumor cells of metastatic prostate cancer patients .
In 2016 , a phase II study using ipilimumab and nivolumab in AR - V7 - expressing metastatic castration - resistant prostate cancer was opened .