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Updated: Aug 9, 2026
06:20
Irradiator Commissioning and Dosimetry for Assessment of LQ α and β Parameters, Radiation Dosing Schema, and in vivo Dose Deposition
Published on: March 11, 2021
Introduction to clinical radiation biology
Henning Willers1, Kathryn D Held
1Department of Radiation Oncology, Harvard Medical School/Massachusetts General Hospital, Cox 3, 55 Fruit Street, Boston, MA 02114, USA. hwillers@partners.org
Hematology/Oncology Clinics of North America
|April 4, 2006
Summary
Optimizing radiation therapy (RT) effectiveness involves balancing tumor toxicity with normal tissue injury. Future individualized RT, informed by genetics, will enhance therapeutic gain for diverse cancers.
Area of Science:
- Radiation Oncology
- Cancer Biology
- Molecular Genetics
Background:
- Established factors influencing radiation effectiveness (IR) include dose, fractionation, and tumor hypoxia.
- Achieving therapeutic gain requires balancing increased tumor toxicity against normal tissue injury.
Observation:
- Individualized therapies based on tumor and patient profiling will maximize future therapeutic gain.
- Predicting tumor response to IR, such as accelerated repopulation, enables tailored treatment intensity.
Findings:
- Combining radiation therapy with molecularly targeted agents represents a highly individualized approach.
- Radiation therapy must remain unselective to eradicate dormant, potentially drug-resistant tumor clonogens.
Implications:
- Advances in molecular biology and genetics are rapidly evolving radiation biology.
- Understanding established radiation response factors is crucial for successful multimodal and targeted cancer therapies.
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