Development of Ultra-High Dose-Rate (FLASH) Particle Therapy

Michele M. Kim, Arash Darafsheh, Jan Schuemann, Ivana Dokic, Olle Lundh, Tianyu Zhao, Jose Ramos-Mendez, Lei Dong, Kristoffer Petersson

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

Research efforts in FLASH radiotherapy (FLASH-RT) have increased at an accelerated pace recently. FLASH-RT involves ultra-high dose rates and has been shown to reduce toxicity to normal tissue while maintaining tumor response in preclinical studies when compared to conventional dose rate radiotherapy. The goal of this review is to summarize the studies performed to date with proton, electron, and heavy-ion FLASH-RT, with particular emphasis on the physical aspects of each study and the advantages and disadvantages of each modality. Beam delivery parameters, experimental setup, and the dosimetry tools used are described for each FLASH modality. In addition, modeling efforts and treatment planning for FLASH-RT are discussed along with potential drawbacks when translated into the clinical setting. The final section concludes with further questions that have yet to be answered before safe clinical implementation of FLASH-RT.

Original languageEnglish
Pages (from-to)252-262
Number of pages11
JournalIEEE Transactions on Radiation and Plasma Medical Sciences
Volume6
Issue number3
DOIs
StatePublished - Mar 1 2022

Keywords

  • Electron radiation
  • FLASH effect modeling
  • FLASH radiotherapy (FLASH-RT)
  • heavy-ion radiation
  • proton radiation

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