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Proton radiobiology, radiosurgery and radiotherapy
1Life Sciences Division, Los Alamos National Laboratory, NM 87545, USA.
International Journal of Radiation Biology
|March 1, 1995
Summary
Proton therapy offers similar biological effects to conventional radiation, with a consistent relative biological effectiveness (RBE) of 1.0-1.25. This advanced radiotherapy has treated over 13,000 patients globally, particularly for neurosurgery and tumors.
Area of Science:
- Medical Physics
- Radiation Oncology
- Radiobiology
Background:
- Proton radiobiology, radiosurgery, and radiotherapy have evolved significantly.
- Research was driven by clinical applications and space radiation studies.
- Early work was conducted at institutions like UC Berkeley, Uppsala University, and Harvard Cyclotron Laboratory.
Purpose of the Study:
- To review the historical development of proton therapy.
- To inform young researchers and clinicians about proton radiobiology and its applications.
- To summarize the radiobiological effects and clinical outcomes of proton therapy.
Main Methods:
- Historical literature review of proton radiobiology and clinical studies.
- Analysis of relative biological effectiveness (RBE) data.
- Summary of patient treatment data and facility development.
Main Results:
- Proton beams show quantitatively and qualitatively similar biological effects to conventional radiotherapy.
- The relative biological effectiveness (RBE) for large-field radiotherapy is generally 1.0-1.25 and is independent of fraction size.
- Over 13,000 patients have been treated, with significant success in neurosurgery, choroidal melanoma, and skull base/spine tumors.
Conclusions:
- Proton therapy is a safe and effective treatment modality with established radiobiological principles.
- Pioneering efforts have led to the development of dedicated proton therapy facilities worldwide.
- Ongoing research and facility expansion promise wider clinical application of proton therapy.