The emerging role of radionuclide molecular imaging of HER2 expression in breast cancer

Research output: Contribution to journalReview articlepeer-review


Targeting of human epidermal growth factor type 2 (HER2) using monoclonal antibodies, antibody-drug conjugates and tyrosine kinase inhibitors extends survival of patients with HER2-expressing metastatic breast cancer. High expression of HER2 is a predictive biomarker for such specific treatment. Accurate determination of HER2 expression level is necessary for stratification of patients to targeted therapy. Non-invasive in vivo radionuclide molecular imaging of HER2 has a potential of repetitive measurements, addressing issues of heterogeneous expression and conversion of HER2 status during disease progression or in response to therapy. Imaging probes based of several classes of targeting proteins are currently in preclinical and early clinical development. Both preclinical and clinical data suggest that the most promising are imaging agents based on small proteins, such as single domain antibodies or engineered scaffold proteins. These agents permit a very specific high-contrast imaging at the day of injection.

Original languageEnglish
JournalSeminars in Cancer Biology
Publication statusAccepted/In press - 2021


  • HER2
  • Metastatic breast cancer
  • PET
  • Radionuclide imaging

ASJC Scopus subject areas

  • Cancer Research

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