Feasability

2017 – A phase 1 trial of NBTXR3 nanoparticles activated by IMRT in the treatment of advanced-stage head and neck carcinoma

Functionalized hafnium oxide nanoparticles (NBTXR3) have been developed as selective radioenhancers, which may represent a breakthrough approach for the local treatment of solid tumors. The high electron density of the nanoparticles, when exposed to radiotherapy (RT), allow the absorption/deposition of a high radiation dose within the tumor cells, to physically kill the cells and possibly improve outcome.

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2014 – ASCO Abstract – Preliminary Data NBTXR3 Soft Tissue Sarcoma – Bonvalot et al.

Functionalized hafnium oxide nanoparticles (NBTXR3) have been developed as selective radioenhancers, which may represent a breakthrough approach for the local treatment of solid tumors. This is a unique approach where crystalline nanomaterials with high electron density when exposed to radiotherapy, can allow penetrate into the cell and make feasible the absorption/deposition of a high energy dose within the tumor cell. A phase I/II trial was implemented in patients with locally advanced STS.

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2015 – The future of nanosized radiation enhancers – Pottier et al.

Radiotherapy has a universal and predictable mode of action, that is, a physical mode of action consisting of the deposit of a dose of energy in tissues. Tumour cell damage is proportional to the energy dose. However, the main limitation of radiotherapy is the lack of spatial control of the deposition of energy, that is, it penetrates the healthy tissues, damages them and renders unfeasible delivery of an efficient energy dose when tumours are close to important anatomical structures. True nanosized radiation enhancers may represent a disruptive approach to broaden the therapeutic window of radiation therapy.

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