Neoadjuvant Trastuzumab, Pertuzumab and Tucatinib Without Chemotherapy in HER2-positive Breast Cancer: the TRAIN-4 Study
This is a single-center, phase 1b study evaluating the safety and feasibility of a neoadjuvant treatment with tucatinib, trastuzumab and pertuzumab in stage II-IIIA HER2-positive breast cancer.