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

9 Citations (SciVal)

Abstract

Research efforts in FLASH radiotherapy have increased at an accelerated pace recently. FLASH radiotherapy involves ultra-high dose rates and has shown to reduce toxicity to normal tissue while maintaining tumor response in pre-clinical 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 radiotherapy, with particular emphasis on the physical aspects of each study and the advantages and disadvantages of each modality. Beam delivery parameters, experimental set-up, and the dosimetry tools used are described for each FLASH modality. In addition, modeling efforts and treatment planning for FLASH radiotherapy is 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 radiotherapy.

Original languageEnglish
Pages (from-to)252-262
JournalIEEE Transactions on Radiation and Plasma Medical Sciences
Volume6
Issue number3
Early online date2021
DOIs
Publication statusPublished - 2022

Bibliographical note

Publisher Copyright:
IEEE

Subject classification (UKÄ)

  • Radiology, Nuclear Medicine and Medical Imaging

Keywords

  • Cyclotrons
  • electron radiation
  • FLASH effect modeling.
  • FLASH radiotherapy
  • heavy-ion radiation
  • Laser beams
  • Oncology
  • Photonics
  • proton radiation
  • Protons
  • Synchrocyclotrons
  • Tumors

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