DOI: 10.1097/01.OTU.0000398552.15053.93 , Issn Print: 1742-8009 Publication Date: 2010/03/01 Print Facebook Twitter LinkedIn Email Metastatic HER2-overexpressing breast tumours do best on combo Charlene Laino Checking for direct PDF access through Ovid View on Journal Site Excerpt In women with metastatic HER2-overexpressing breast cancer progressing with trastuzumab, adding lapatinib and continuing trastuzumab is more efficacious than using lapatinib alone.