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First received: November 27, 2022

Clinical Trial: Association Between HER2 Status and pCR Rate in ER-positive Breast Cancer Receiving Neoadjuvant Endocrine or Chemotherapy

Study Status: Completed

Recruit Status: Completed

Condition: Breast Neoplasms

Study Type: Observational


Official Title: Association Between HER2 Status and pCR Rate in ER-positive Breast Cancer Receiving Neoadjuvant Endocrine or Chemotherapy

Brief Summary: In estrogen receptor (ER)-positive breast cancer (BC), human epidermal growth factor receptor-2 (HER2)-low ones are reported to have distinct clinical and molecular features from those with HER2-zero or HER2-positive status. However, the association between HER2-low status with response to endocrine therapy is largely unknown. In this study, we included 518 ER-positive BC patients who received either neoadjuvant endocrine therapy (NET) or neoadjuvant chemotherapy (NCT). The pathologic complete response rate (pCR)…

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