Vol 23, No 5 (2018)
Reviews
Published online: 2018-09-01

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Physical, dosimetric and clinical aspects and delivery systems in neutron capture therapy

Bagher Farhood1, Hadi Samadian2, Mahdi Ghorbani3, Seyed Salman Zakariaee4, Courtney Knaup5
DOI: 10.1016/j.rpor.2018.07.002
Rep Pract Oncol Radiother 2018;23(5):462-473.

Abstract

Neutron capture therapy (NCT) is a targeted radiotherapy for cancer treatment. In this method, neutrons with a spectra/specific energy (depending on the type of agent used for NCT) are captured with an agent that has a high cross-section with these neutrons. There are some agents that have been proposed in NCT including 10B, 157Gd and 33S. Among these agents, only 10B is used in clinical trials. Application of 157Gd is limited to in-vivo and in-vitro research. In addition, 33S has been applied in the field of Monte Carlo simulation. In BNCT, the only two delivery agents which are presently applied in clinical trials are BPA and BSH, but other delivery systems are being developed for more effective treatment in NCT. Neutron sources used in NCT are fission reactors, accelerators, and 252Cf. Among these, fission reactors have the most application in NCT. So far, BNCT has been applied to treat various cancers including glioblastoma multiforme, malignant glioma, malignant meningioma, liver, head and neck, lung, colon, melanoma, thyroid, hepatic, gastrointestinal cancer, and extra-mammary Paget's disease. This paper aims to review physical, dosimetric and clinical aspects as well as delivery systems in NCT for various agents.

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Reports of Practical Oncology and Radiotherapy