Karyopharm Announces Topline Results from Phase 3 XPORT-EC-042 Trial in Endometrial Cancer

– The Trial Did Not Meet the Primary Endpoint of Progression-Free Survival (PFS) – – A Trend Favoring the Selinexor Arm was Observed with a 5.3 Month Improvement in Median PFS Relative to the Placebo Arm in the mITT Population; Company Plans to Continue to Follow Patients for Longer-Term...