To view the full text, please login as a subscribed user or purchase a subscription. Click here to view the full text on ScienceDirect. Purpose: To evaluate the use and associated toxicities for patients treated with trastuzumab emtansine (TDM-1) for metastatic breast cancer. To access this article, please choose from the options below Purchase access to this article Claim Access If you are a current subscriber with Society Membership or an Account Number, claim your access now.