A Study of Disitamab Vedotin in Adults With HER2 Expressing Advanced Breast Cancer
The purpose of this clinical study is to learn about the safety and effects of the study medicine (called disitamab vedotin) for the possible treatment of people with breast cancer that is hard to treat and has spread in the body (advanced cancer).
This study is seeking participants who:
* have breast cancer that is hard to treat and has spread in the body (advanced cancer)
* have tumors that have HER2 on them
* have received previous treatment for their advanced breast cancer
All participants in this study will receive disitamab vedotin at the study clinic once every 2 weeks as an intraven