TOPAS: an innovative proton Monte Carlo platform for research and clinical applications

J Perl, J Shin, J Schümann, B Faddegon… - Medical …, 2012 - Wiley Online Library
Purpose: While Monte Carlo particle transport has proven useful in many areas (treatment
head design, dose calculation, shielding design, and imaging studies) and has been …

The TOPAS tool for particle simulation, a Monte Carlo simulation tool for physics, biology and clinical research

B Faddegon, J Ramos-Méndez, J Schuemann… - Physica Medica, 2020 - Elsevier
Purpose This paper covers recent developments and applications of the TOPAS TOol for
PArticle Simulation and presents the approaches used to disseminate TOPAS. Materials and …

A phenomenological relative biological effectiveness (RBE) model for proton therapy based on all published in vitro cell survival data

AL McNamara, J Schuemann… - Physics in Medicine & …, 2015 - iopscience.iop.org
Proton therapy treatments are currently planned and delivered using the assumption that the
proton relative biological effectiveness (RBE) relative to photons is 1.1. This assumption …

TOPAS-nBio: an extension to the TOPAS simulation toolkit for cellular and sub-cellular radiobiology

J Schuemann, AL McNamara… - Radiation …, 2019 - meridian.allenpress.com
The TOPAS Monte Carlo (MC) system is used in radiation therapy and medical imaging
research, having played a significant role in making Monte Carlo simulations widely …

Site-specific range uncertainties caused by dose calculation algorithms for proton therapy

J Schuemann, S Dowdell, C Grassberger… - Physics in Medicine …, 2014 - iopscience.iop.org
The purpose of this study was to assess the possibility of introducing site-specific range
margins to replace current generic margins in proton therapy. Further, the goal was to study …

Development of a high resolution voxelised head phantom for medical physics applications

V Giacometti, S Guatelli, M Bazalova-Carter… - Physica Medica, 2017 - Elsevier
Computational anthropomorphic phantoms have become an important investigation tool for
medical imaging and dosimetry for radiotherapy and radiation protection. The development …

Experimental validation of the TOPAS Monte Carlo system for passive scattering proton therapy

M Testa, J Schümann, HM Lu, J Shin… - Medical …, 2013 - Wiley Online Library
Purpose: TOPAS (TOol for PArticle Simulation) is a particle simulation code recently
developed with the specific aim of making Monte Carlo simulations user‐friendly for …

[HTML][HTML] Mechanistic model of radiotherapy-induced lung fibrosis using coupled 3D agent-based and Monte Carlo simulations

N Cogno, R Bauer, M Durante - Communications Medicine, 2024 - nature.com
Background Mechanistic modelling of normal tissue toxicities is unfolding as an alternative
to the phenomenological normal tissue complication probability models. The latter, currently …

Cellular response to proton irradiation: a simulation study with TOPAS-nBio

H Zhu, AL McNamara, SJ McMahon… - Radiation …, 2020 - meridian.allenpress.com
The cellular response to ionizing radiation continues to be of significant research interest in
cancer radiotherapy, and DNA is recognized as the critical target for most of the biologic …

Characterization and validation of a Monte Carlo code for independent dose calculation in proton therapy treatments with pencil beam scanning

F Fracchiolla, S Lorentini, L Widesott… - Physics in Medicine & …, 2015 - iopscience.iop.org
We propose a method of creating and validating a Monte Carlo (MC) model of a proton
Pencil Beam Scanning (PBS) machine using only commissioning measurements and …