Summary
This trial studies ladiratuzumab vedotin (LV) with pembrolizumab in patients with
triple-negative breast cancer. It will find out what side effects happen when participants
get these two drugs. A side effect is anything the drugs do besides treating cancer.
Pembrolizumab is a drug that can be used to treat triple-negative breast cancer. The trial
will also find out if these drugs work to treat this type of cancer. Participants in this
study have metastatic breast cancer. This means the cancer has spread to other parts of the
body.