Randomized Phase III Trial of Paclitaxel Combined with Trastuzumab, Lapatinib or Both as Neoadjuvant Treatment of HER2-positive Primary Breast Cancer
The purpose of this study is to determine if the pathologic complete response (pCR) in the breast to neoadjuvant weekly paclitaxel with trastuzumab plus lapatinib or to neoadjuvant weekly paclitaxel plus lapatinib (THL) is 20 percent greater than the pCR to weekly paclitaxel with trastuzumab alone (TH) in HER2-positive operable breast cancer.
202144091609
400
Participants must be 18 years of age or older with stage II-III operable invasive HER2-positive breast cancer.
The participant will be randomly assigned to one of three treatment groups. Group 1 will receive paclitaxel and trastuzumab through a vein every week as well as take lapatinib by mouth daily for 16 weeks. Group 2 will receive paclitaxel and trastuzumab through a vein every week for 16 weeks. Group 3 will receive paclitaxel through a vein every week as well as take lapatinib by mouth daily for 16 weeks.
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