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Review
. 2022 Apr;157(2):249-269.
doi: 10.1007/s11060-022-03977-x. Epub 2022 Mar 4.

Evolving management of HER2+ breast cancer brain metastases and leptomeningeal disease

Matthew N Mills  1 , Whitney King  1 , Aixa Soyano  2 , Yolanda Pina  3 , Brian J Czerniecki  2 , Peter A Forsyth  3 , Hatem Soliman  2 , Hyo S Han  2 , Kamran A Ahmed  4
Affiliations
Review

Evolving management of HER2+ breast cancer brain metastases and leptomeningeal disease

Matthew N Mills et al. J Neurooncol. 2022 Apr.

Abstract

Patients with human epidermal growth factor receptor 2 (HER2)-positive breast cancer are at a particularly high risk of breast cancer brain metastasis (BCBM) and leptomeningeal disease (LMD). Improvements in systemic therapy have translated to improved survival for patients with HER2-positive BCBM and LMD. However, the optimal management of these cases is rapidly evolving and requires a multidisciplinary approach. Herein, a team of radiation oncologists, medical oncologists, neuro-oncologists, and breast surgeon created a review of the evolving management of HER2-positive BCBM and LMD. We assess the epidemiology, diagnosis, and evolving treatment options for patients with HER2-positive BCBM and LMD, as well as the ongoing prospective clinical trials enrolling these patients. The management of HER2-positive BCBM and LMD represents an increasingly common challenge that involves the coordination of local and systemic therapy. Advances in systemic therapy have resulted in an improved prognosis, and promising targeted therapies currently under prospective investigation have the potential to further benefit these patients.

Keywords: Brain metastases; HER2 breast cancer; Leptomeningeal disease; Radiation therapy.

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