Boron Neutron Capture Therapy With B10 L-BPA for Unresectable Recurrent Head and Neck Cancers

"The investigational product is B10 L-BPA Injection, is a boron-containing compound in which 10B replaces a position on L-phenylalanine at the para position with dihydroxyboron.~This single arm of the study is designed to evaluate the therapeutic efficacy of BNCT, wherein patients receive B10 L-BPA administration followed by neutron irradiation."