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Oncology

Boron Neutron Capture Therapy (BNCT)

A targeted radiotherapy that delivers its dose cell-by-cell, sparing the tissue around it.

BNCT is a two-step radiotherapy. A boron-carrying compound is given first and accumulates preferentially in tumour cells; a neutron beam then triggers a short-range reaction inside those cells. Because the reaction travels roughly one cell diameter, the dose is confined far more tightly than with conventional photon radiotherapy.

In practice this matters most where the tumour sits next to something that cannot be damaged — the optic nerve, the skull base, the carotid. The zone operates one of a small number of BNCT systems in the world, and a single session typically takes under an hour.

What it does not do

  • Suitability depends on tumour type, size and prior radiotherapy dose. Not every recurrent head and neck case qualifies.
  • Availability runs in treatment batches. Scheduling is confirmed by the hospital, not by us.
  • BNCT is not a substitute for surgery, systemic therapy or standard radiotherapy where those are still options.

These limits are written by us, not by the hospital. If a provider presents this therapy without any of them, treat that as a warning sign.

IndicationRecurrent head and neck tumours, selected skull-base and brain tumours
Approved inJapan
Status in ChinaIn clinical use under the zone's special-access pathway
Assessment requiredYes — physician assessment first
Delivered at2 hospital(s)
Verified 2026-10
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Availability moves with batches and indications. A two-line enquiry is enough for us to confirm whether it is reachable this quarter.