Clinical Trial: A Phase II Study to Evaluate the Efficacy and Safety of Anti-HER2 Triple-targeted Drugs Combined With CDK4/6 Inhibitors in Neoadjuvant Therapy for ER-positive HER2-positive Breast Cancer Patients.

U.S., Dec. 19 -- ClinicalTrials.gov registry received information related to the study (NCT07290166) titled 'A Phase II Study to Evaluate the Efficacy and Safety of Anti-HER2 Triple-targeted Drugs Combined With CDK4/6 Inhibitors in Neoadjuvant Therapy for ER-positive HER2-positive Breast Cancer Patients.' on Dec. 06.

Brief Summary: To further enhance treatment efficacy, minimize reliance on chemotherapy, and identify the optimal neoadjuvant approach for ER-positive and HER2-positive population, we have designed a single-arm, phase II clinical trial. This study aims to evaluate the efficacy and safety of a novel regimen integrating CDK4/6 inhibitors intensified endocrine therapy and dual HER2-targeted monoclonal antibodies plus the tyrosine...