Regulatory approval

Published by the Food and Drug Administration. Approved

ENHERTU is a HER2-directed antibody and topoisomerase inhibitor conjugate indicated for the treatment of adult patients with unresectable or metastatic HER2-positive (IHC 3+ or ISH positive) breast cancer who have received a prior anti-HER2-based regimen either (i) in the metastatic setting, or (ii) in the neoadjuvant or adjuvant setting and have developed disease recurrence during or within six months of completing therapy.

This is written in the approval document.

Citation

Daiichi Sankyo, Inc. Enhertu (trastuzumab deruxtecan) [package insert]. U.S. Food and Drug Administration website. https://www.accessdata.fda.gov/drugsatfda_docs/label/2025/761139s038s042lbl.pdf. Revised December 2025. Accessed December 24, 2025.

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Therapeutic response

Precision oncology relationships for therapeutic response derived from this regulatory approval.

Organizations Biomarkers Cancer types Therapies
FDA (1) HER2-positive Invasive Breast Carcinoma Trastuzumab deruxtecan