The purpose of this study is to determine whether lymphatic surgery provides better quality of life compared to only conservative therapy for patients with breast cancer-related lymphedema.
This two-arm, randomized, open-label, multicenter study will evaluate the efficacy and safety of Kadcyla (trastuzumab emtansine, also known as T-DM1) in combination with Perjeta (pertuzumab) versus Herceptin (trastuzumab) in combination with Perjeta and a taxane as adjuvant therapy in patients with HER2-positive primary invasive breast cancer.