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Shortly after the discovery of the neutron in 1932, some scientists recognized the potential of boron neutron capture therapy (BNCT) as a cancer treatment. But despite decades of research, the problem of finding a delivery agent that would more effectively target the tumor without harming surrounding tissue persisted. Researchers at the University of Missouri (MU) may finally have found a solution.
BNCT traditionally involves injecting tumors with the non-radioactive boron-10 isotope capture agent that is then radiated with a beam of epithermal neutrons that interact with the capture agent to produce a biologically destructive nuclear caption reaction. This results in the formation of boron 11 with the release of lethal radiation in the form of alpha particles (helium-4) and lithium ions that kill the tumor. Although numerous clinical studies have demonstrated the safety of BNCT, the challenge has been finding more tumor-selective boron delivery agents.
