Regulatory approval

Published by the Food and Drug Administration.

The U.S. Food and Drug Administration granted approval to trastuzumab deruxtecan 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 as:

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.

Citation

Daiichi Sankyo, Inc. Enhertu (trastuzumab deruxtecan) [package insert]. U.S. Food and Drug Administration website. https://www.accessdata.fda.gov/drugsatfda_docs/label/2024/761139s028lbl.pdf. Revised April 2024. Accessed October 30, 2024.

Therapeutic response

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

Type	Biomarker(s)	Cancer type	Therapy(ies)
Sensitivity (+)	HER2-positive	Invasive Breast Carcinoma	Trastuzumab deruxtecan