Late relapse remains “a vexing problem” in HR-positive/HER2-negative patients, Dr. Sparano continued. A major effort is underway to address this via an ECOG-ACRIN North American Breast Cancer Intergroup project designed to establish a late-relapse biospecimen bank featuring blood and/or tumor samples from 10,000 women enrolled in the TAILORx (Hormone Therapy With or Without Combination Chemotherapy in Treating Women Who Have Undergone Surgery for Node-Negative Breast Cancer) and E5103 trials.
AT SABCS 2014