ESTRO 2025 - Abstract Book

S3563

Physics - Optimisation, algorithms and applications for ion beam treatment planning

ESTRO 2025

Conclusion: The study introduced the first SPArc optimization algorithm for the PTS -synchrotron-SEE . With a similar plan quality, the treatment delivery time could be significantly reduced on various disease sites, which pave the roadmap to implement the SPArc technique.

Keywords: Proton Arc Therapy, Synchrotron, Optimization

References: 1. Ding, X. et al. Spot-Scanning Proton Arc (SPArc) Therapy: The First Robust and Delivery-Efficient Spot Scanning Proton Arc Therapy. Int. J. Radiat. Oncol. Biol. Phys. 96 , 1107–1116 (2016). 2. Li, X. et al. Linear Energy Transfer Incorporated Spot-Scanning Proton Arc Therapy Optimization: A Feasibility Study. Front. Oncol. 11 , 698537 (2021). 3. Cong, X. et al. Explore the feasibility of using spot-scanning proton arc therapy for a synchrotron accelerator-based proton therapy system - A simulation study. J. Appl. Clin. Med. Phys. e14526 (2024) doi:10.1002/acm2.14526. 4. Liu, G. et al. Development of a standalone delivery sequence model for proton arc therapy. Med. Phys. 51 , 3067–3075 (2024).