This study was an open-label phase II study for AR+ (≥10%, 1+ by IHC) mTNBC. Eligible patients received pembrolizumab 200 mg IV every 3 weeks and enobosarm 18 mg oral daily….The combination of enobosarm and pembrolizumab was well tolerated with a modest clinical benefit rate of 25% at 16 weeks in heavily pretreated AR+ TNBC without pre-selected PD-L1.