The Abscopal Effect of Radiation Therapy: What Is It and How Can We Use It in Breast Cancer?

Zishuo I. Hu, Heather L. McArthur, Alice Y. Ho

Research output: Contribution to journalReview articlepeer-review

100 Scopus citations

Abstract

The abscopal effect refers to the ability of localized radiation to trigger systemic antitumor effects. Over the past 50 years, reports on the abscopal effect arising from conventional radiation have been relatively rare. However, with the continued development and use of immunotherapy strategies incorporating radiotherapy with targeted immunomodulators and immune checkpoint blockade, the abscopal effect is becoming increasingly relevant in less immunogenic tumors such as breast cancer. Here, we review the mechanism of the abscopal effect, the current preclinical and clinical data, and the application of the abscopal effect in designing clinical trials of immunotherapy combined with radiotherapy in breast cancer.

Original languageEnglish
Pages (from-to)45-51
Number of pages7
JournalCurrent Breast Cancer Reports
Volume9
Issue number1
DOIs
StatePublished - Mar 1 2017

Keywords

  • Abscopal effect
  • Breast cancer
  • Immunotherapy
  • Radiotherapy

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