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Future trends in cancer therapy with particle accelerators
1University of Milano Bicocca and TERA Foundation.
Zeitschrift Fur Medizinische Physik
|April 24, 2004
Summary
Hadrontherapy, using protons or carbon ions, offers more precise cancer treatment than X-rays, sparing healthy tissue. Carbon ions show promise for radioresistant tumors, with expanding global applications and research networks.
Area of Science:
- Medical Physics
- Radiation Oncology
- Particle Therapy
Background:
- Hadrontherapy utilizes heavy charged particles like protons and carbon ions for cancer treatment.
- This technique allows for more conformal radiation delivery compared to X-rays, significantly sparing surrounding healthy tissues.
- While proton therapy has treated approximately 35,000 patients globally, carbon ion therapy, though used in fewer cases (around 1,600), presents unique advantages.
Purpose of the Study:
- To review the current status and future potential of hadrontherapy, particularly focusing on carbon ion therapy.
- To highlight the growing clinical application and ongoing development of proton and carbon ion therapy centers worldwide.
- To underscore the advanced capabilities of carbon ions in treating radioresistant tumors.
Main Methods:
- Review of global patient treatment numbers for proton and carbon ion therapy.
- Survey of operational and under-construction hadrontherapy facilities in the USA, Japan, China, Germany, Korea, Switzerland, and Europe.
- Analysis of clinical outcomes and biological effectiveness of carbon ion therapy, referencing data from HIMAC and GSI.
Main Results:
- Proton therapy centers are expanding, with numerous facilities operational or under construction globally.
- Carbon ion therapy demonstrates superior biological effectiveness, making it suitable for radioresistant tumors, with encouraging results from approximately 1,400 patients at HIMAC and 200 at GSI.
- Significant development in carbon ion therapy infrastructure is occurring in Europe, with two centers under construction and several more in the financing phase.
Conclusions:
- Hadrontherapy, especially with protons, is a rapidly growing field in cancer treatment.
- Carbon ion therapy represents a significant advancement, offering enhanced efficacy for specific tumor types and driving new center developments.
- International collaboration, exemplified by the ENLIGHT network, is crucial for advancing light ion therapy research and application.