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Importance of radiobiological studies for the advancement of boron neutron capture therapy (BNCT)

Part of: Advancements in the radiobiology of low and high-LET radiation

Published online by Cambridge University Press:  31 March 2022

Andrea Monti Hughes Open the ORCID record for Andrea Monti Hughes [Opens in a new window]
Andrea Monti Hughes*
Affiliation:
Division of Radiation Pathology, Department of Radiobiology, National Atomic Energy Commission (CNEA), Buenos Aires, Argentina National Research Council (CONICET), Buenos Aires, Argentina
*
Author for correspondence: Andrea Monti Hughes, E-mail: andre.mh@gmail.com
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Abstract

Boron neutron capture therapy (BNCT) is a tumour selective particle radiotherapy, based on the administration of boron carriers incorporated preferentially by tumour cells, followed by irradiation with a thermal or epithermal neutron beam. BNCT clinical results to date show therapeutic efficacy, associated with an improvement in patient quality of life and prolonged survival. Translational research in adequate experimental models is necessary to optimise BNCT for different pathologies. This review recapitulates some examples of BNCT radiobiological studies for different pathologies and clinical scenarios, strategies to optimise boron targeting, enhance BNCT therapeutic effect and minimise radiotoxicity. It also describes the radiobiological mechanisms induced by BNCT, and the importance of the detection of biomarkers to monitor and predict the therapeutic efficacy and toxicity of BNCT alone or combined with other strategies. Besides, there is a brief comment on the introduction of accelerator-based neutron sources in BNCT. These sources would expand the clinical BNCT services to more patients, and would help to make BNCT a standard treatment modality for various types of cancer. Radiobiological BNCT studies have been of utmost importance to make progress in BNCT, being essential to design novel, safe and effective clinical BNCT protocols.

Keywords

Accelerator-based neutron sourcesBNCTBNCT-induced mechanismsboron neutron capture therapycancerradiobiological studiesstrategies
Type
Review
Information
Expert Reviews in Molecular Medicine , Volume 24 , 2022 , e14
Copyright
Copyright © The Author(s), 2022. Published by Cambridge University Press

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