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pubmed-article:19602035pubmed:abstractTextBoron neutron capture therapy (BNCT) provides highly targeted delivery of radiation through the limited spatial distribution of its effects. This translational research/phase I clinical trial investigates whether BNCT might be developed as a treatment option for squamous cell carcinoma of head and neck (SCCHN) relying upon preferential uptake of the two compounds, sodium mercaptoundecahydro-closo-dodecaborate (BSH) or L-para-boronophenylalanine (BPA) in the tumour. Before planned tumour resection, three patients received BSH and three patients received BPA. The (10)B-concentration in tissues and blood was measured with prompt gamma ray spectroscopy. Adverse effects from compounds did not occur. After BPA infusion the (10)B-concentration ratio of tumour/blood was 4.0 +/- 1.7. (10)B-concentration ratios of tumour/normal tissue were 1.3 +/- 0.5 for skin, 2.1 +/- 1.2 for muscle and 1.4 +/- 0.01 for mucosa. After BSH infusion the (10)B-concentration ratio of tumour/blood was 1.2 +/- 0.4. (10)B-concentration ratios of tumour/normal tissue were 3.6 +/- 0.6 for muscle, 2.5 +/- 1.0 for lymph nodes, 1.4 +/- 0.5 for skin and 1.0 +/- 0.3 for mucosa. BPA and BSH deliver (10)B to SCCHN to an extent that might allow effective BNCT treatment. Mucosa and skin are the most relevant organs at risk.lld:pubmed
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pubmed-article:19602035pubmed:articleTitleEORTC trial 11001: distribution of two 10B-compounds in patients with squamous cell carcinoma of head and neck, a translational research/phase 1 trial.lld:pubmed
pubmed-article:19602035pubmed:affiliationDepartment of Radiation Oncology, University Hospital Essen, University Duisburg-Essen, Essen, Germany. andrea.wittig@uni-due.delld:pubmed
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