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Datopotamab deruxtecan, sold under the brand name Datroway, is an anti-cancer medication used for the treatment of breast cancer. It is a Trop-2-directed antibody and topoisomerase inhibitor conjugate. It is an antibody-drug conjugate.

The most common adverse reactions, including laboratory abnormalities, include stomatitis, nausea, fatigue, decreased leukocytes, decreased calcium, alopecia, decreased lymphocytes, decreased hemoglobin, constipation, decreased neutrophils, dry eye, vomiting, increased ALT, keratitis, increased AST, and increased alkaline phosphatase.

Datopotamab deruxtecan was approved for medical use in the United States in January 2025.

Medical uses

Datopotamab deruxtecan is indicated for the treatment of adults with unresectable or metastatic, hormone receptor positive, human epidermal growth factor receptor 2-negative (IHC 0, IHC1+ or IHC2+/ISH-) breast cancer who have received prior endocrine-based therapy and chemotherapy for unresectable or metastatic disease.

History

Efficacy was evaluated in TROPION-Breast01 (NCT05104866), a multicenter, open-label, randomized trial. Participants must have experienced disease progression, been deemed unsuitable for further endocrine therapy, and have received one or two lines of prior chemotherapy for unresectable or metastatic disease. Participants were excluded for a history of ILD/pneumonitis requiring steroids, ongoing ILD/pneumonitis, clinically active brain metastases, or clinically significant corneal disease. Participants also were excluded for ECOG performance status >1. Randomization was stratified by previous lines of chemotherapy, prior CDK4/6 inhibitor treatment, and geographical region. A total of 732 patients were randomized (1:1) to datopotamab deruxtecan-dlnk (n=365) or investigator's choice of chemotherapy (n=367); eribulin (60%), capecitabine (21%), vinorelbine (10%), or gemcitabine (9%).

References

1. ^ https://www.accessdata.fda.gov/drugsatfda_docs/label/2025/761394s000lbl.pdf
2. World Health Organization (2020). "International nonproprietary names for pharmaceutical substances (INN): recommended INN: list 84". WHO Drug Information. 34 (3). hdl:10665/340680.
3. ^ "FDA approves datopotamab deruxtecan-dlnk for unresectable or metastatic, HR-positive, HER2-negative breast cancer". U.S. Food and Drug Administration. 17 January 2025. Retrieved 19 January 2025. This article incorporates text from this source, which is in the public domain.
4. "Datroway Approved in the U.S. for Patients with Previously Treated Metastatic HR Positive, HER2 Negative Breast Cancer". Daiichi Sankyo US (Press release). 17 January 2025. Retrieved 19 January 2025.

External links

• "Datopotamab Deruxtecan (Code C151967)". NCI Thesaurus.
• Clinical trial number NCT05104866 for "A Phase-3, Open-Label, Randomized Study of Dato-DXd Versus Investigator's Choice of Chemotherapy (ICC) in Participants With Inoperable or Metastatic HR-Positive, HER2-Negative Breast Cancer Who Have Been Treated With One or Two Prior Lines of Systemic Chemotherapy (TROPION-Breast01)" at ClinicalTrials.gov

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