Dataset from A Randomized, Multicentre, Open-Label, Phase III Study of Lapatinib Plus Capecitabine Versus Trastuzumab Plus Capecitabine in Patients With Anthracycline- or Taxane-Exposed ErbB2-Positive Metastatic Breast Cancer

This open label study was designed to evaluate Lapatinib effect on incidence of brain metastases in ErbB2 (HER2) positive metastatic breast cancer patients exposed to prior taxanes or anthracyclines.