This clinical trial for patients with HER2-positive endometrial cancer. Cancer cells that are making too many copies of a certain protein are called HER2. This trial is testing if adding one of two HER2-targeted drug combinations to standard chemotherapy can improve outcomes for patients with HER2-positive endometrial serous carcinoma or carcinosarcoma.
Participants are assigned to one of three groups:
Group 1: Standard treatment with paclitaxel and carboplatin.
Group 2: Standard chemotherapy plus Herceptin Hylecta™ (trastuzumab and hyaluronidase-oysk).
Group 3: Standard chemotherapy plus Phesgo™ (pertuzumab, trastuzumab, and hyaluronidase-zzxf).