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Evolving treatment landscape of immunotherapy in breast cancer: current issues and future perspectives

Carmine Valenza1,2, Graziella Rizzo3,4, Maria Ilenia Passalacqua3,4

  • 1Division of New Drugs and Early Drug Development for Innovative Therapies, European Institute of Oncology, IRCCS, Milano, Italy.

Therapeutic Advances in Medical Oncology
|February 6, 2023
PubMed

Immune checkpoint inhibitors (ICIs) deeply changed the treatment landscape of breast cancer (BC). In particular, anti-programmed-death (ligand) 1 antibodies were approved for the treatment of triple-negative breast cancer (TNBC), both in first line for metastatic disease and in neoadjuvant setting, on the basis of a demonstrated improvement of the survival outcomes. In light of these results, current clinical trials aim at improving this benefit investigating novel combinations and strategies, at exploring the role of ICIs beyond TNBC, and at better selecting the patients in order to spare non-responders from avoidable toxicities. This narrative review aims at summarizing and discussing the evolving landscape of immunotherapeutic treatments for BC, highlighting the current challenges and the future perspectives.

Keywords:
biomarkersbreast cancerimmune checkpoint inhibitorsimmunotherapytriple-negative breast cancer

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