A Phase II Trial of Selinexor (KPT-330) for Metastatic Triple-Negative Breast Cancer

Single-agent selinexor has limited activity in heavily pretreated patients with metastatic triple-negative breast cancer.Selinexor 60 mg by mouth twice weekly was generally well tolerated with a side-effect profile consistent with previous clinical trials.Future studies of selinexor in this population should focus on combination approaches and a biomarker-driven strategy to identify patients most likely to benefit.This phase II trial evaluated...