Radiobiological and treatment-related aspects of spatially fractionated radiotherapy

L Moghaddasi, P Reid, E Bezak, LG Marcu - International Journal of …, 2022 - mdpi.com
The continuously evolving field of radiotherapy aims to devise and implement techniques
that allow for greater tumour control and better sparing of critical organs. Investigations into …

Technical aspects of proton minibeam radiation therapy: Minibeam generation and delivery

T Schneider - Physica Medica, 2022 - Elsevier
Proton minibeam radiation therapy (pMBRT) is a novel therapeutic strategy that combines
the normal tissue sparing of sub-millimetric, spatially fractionated beams with the improved …

Characterizing devices for validation of dose, dose rate, and LET in ultra high dose rate proton irradiations

N Harrison, S Charyyev, C Oancea, A Stanforth… - Medical …, 2024 - Wiley Online Library
Background Ultra high dose rate (UHDR) radiotherapy using ridge filter is a new treatment
modality known as conformal FLASH that, when optimized for dose, dose rate (DR), and …

Measurement of the time structure of FLASH beams using prompt gamma rays and secondary neutrons as surrogates

S Charyyev, R Liu, X Yang, J Zhou… - Physics in Medicine …, 2023 - iopscience.iop.org
Objective. The aim of this study was to investigate the feasibility of online monitoring of
irradiation time (IRT) and scan time for FLASH proton radiotherapy using a pixelated …

TVL1-IMPT: optimization of peak-to-valley dose ratio via joint total-variation and L1 dose regularization for spatially fractionated pencil-beam-scanning proton therapy

W Zhang, W Li, Y Lin, F Wang, RC Chen… - International Journal of …, 2023 - Elsevier
Purpose Proton minibeam radiation therapy (pMBRT) is a novel proton modality of spatially
fractionated RT. pMBRT can reduce the radiation damage to normal tissues via biological …

Comprehensive dosimetric commissioning of proton minibeam radiotherapy on a single gantry proton system

Y Lin, W Li, A Wang, D Johnson, GN Gan… - Frontiers in …, 2024 - pmc.ncbi.nlm.nih.gov
Background Proton minibeam radiation therapy (pMBRT) can deliver spatially fractionated
dose distributions with submillimeter resolution. These dose distributions exhibit significant …

A novel proton counting detector and method for the validation of tissue and implant material maps for Monte Carlo dose calculation

S Charyyev, CW Chang, J Harms… - Physics in Medicine …, 2021 - iopscience.iop.org
The presence of artificial implants complicates the delivery of proton therapy due to
inaccurate characterization of both the implant and the surrounding tissues. In this work, we …

Characterization of 250 MeV protons from the Varian ProBeam PBS system for FLASH radiation therapy

S Charyyev, CW Chang, M Zhu, L Lin… - … Journal of Particle …, 2023 - meridian.allenpress.com
Shoot-through proton FLASH radiation therapy has been proposed where the highest
energy is extracted from a cyclotron to maximize the dose rate (DR). Although our proton …

Preclinical challenges in proton minibeam radiotherapy: physics and biomedical aspects

G Datzmann, M Sammer, S Girst, M Mayerhofer… - Frontiers in …, 2020 - frontiersin.org
The concept of spatial fractionation in radiotherapy was developed for better sparing of
normal tissue in the entrance channel of radiation. Spatial fractionation utilizing proton …

Conceptual design of a novel nozzle combined with a clinical proton linac for magnetically focussed minibeams

T Schneider, A Patriarca, A Degiovanni, M Gallas… - Cancers, 2021 - mdpi.com
Simple Summary Proton minibeam radiation therapy (pMBRT) is a novel therapeutic
strategy that combines the tissue sparing potential of submillimetric, spatially fractionated …