A trial looking at trastuzumab pamirtecan and pumitamig for breast cancer that has spread

This trial is looking at trastuzumab pamirtecan and pumitamig for breast cancer that has spread and cannot be removed by surgery.

It is for people with breast cancer that has:

• spread into the surrounding tissue (locally advanced) or

• spread to another part of the body (advanced cancer)

You pronounce trastuzumab pamirtecan as tras-too-zoo-mab pam-ir-tee-can and pumitamig as puh-mih-tah-mig.

Trastuzumab pamirtecan is also called BNT323. Pumitamig is also called BNT327.