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Erschienen in: Current Oncology Reports 12/2019

01.12.2019 | Breast Cancer (B Overmoyer, Section Editor)

When to Add Additional Anti-HER2 Therapy to Adjuvant Trastuzumab

verfasst von: Alexandra S. Zimmer, Neelima Denduluri

Erschienen in: Current Oncology Reports | Ausgabe 12/2019

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Abstract

Purpose of Review

One year of trastuzumab dramatically improves outcomes in early HER2 positive breast cancer, irrespective of anatomic stage, receptor status and chemotherapy backbone. However, up to 25% of breast cancers treated with trastuzumab and chemotherapy recur. Here, we review the current role for additional HER2 blockade to adjuvant trastuzumab.

Recent Findings

Adjuvant pertuzumab and neratinib modestly improve disease-free survival in early breast cancer, particularly for those at highest risk of recurrence. Lack of complete pathologic response to preoperative chemotherapy and HER2 targeted therapies is associated with worse outcomes. In those with lack of pCR, adjuvant trastuzumab emtansine improves outcome in early breast cancer, irrespective of chemotherapy and HER2 targeted therapy backbone.

Summary

Preoperative chemotherapy and HER2 targeted therapy should be discussed in early breast cancer, especially in tumors over 2 cm. Future trials must focus on de-escalation of chemotherapy and biomarkers for further tailored therapy in early HER2 positive breast cancer.
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Metadaten
Titel
When to Add Additional Anti-HER2 Therapy to Adjuvant Trastuzumab
verfasst von
Alexandra S. Zimmer
Neelima Denduluri
Publikationsdatum
01.12.2019
Verlag
Springer US
Erschienen in
Current Oncology Reports / Ausgabe 12/2019
Print ISSN: 1523-3790
Elektronische ISSN: 1534-6269
DOI
https://doi.org/10.1007/s11912-019-0848-5

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