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Immune modulation and stereotactic radiation: improving local and abscopal responses
Jing Zeng1, Timothy J Harris, Michael Lim
1Department of Radiation Oncology, University of Washington, 1959 NE Pacific Street, P.O. Box 356043, Seattle, WA 98195, USA.
Biomed Research International
|December 11, 2013
Summary
Combining immunotherapy with radiotherapy shows synergistic effects for superior local tumor control and abscopal effects. Stereotactic radiation techniques facilitate further clinical investigations for improved cancer treatment responses.
Area of Science:
- Oncology
- Radiation Oncology
- Immunotherapy
Background:
- Immunotherapy and radiotherapy are rapidly advancing cancer treatment strategies.
- Preclinical data suggest synergistic effects when combining immunotherapy with radiotherapy.
- Early studies indicate superior local tumor control with combined treatment.
Purpose of the Study:
- To explore the potential of combining immunotherapy with radiotherapy for enhanced cancer treatment.
- To investigate the synergistic effects and abscopal responses observed with combined modalities.
- To highlight the role of stereotactic radiation techniques in facilitating clinical investigations.
Main Methods:
- Review of preclinical data on combined immunotherapy and radiotherapy.
- Analysis of emerging data on local and systemic (abscopal) effects.
- Consideration of technological advancements in stereotactic radiation therapy.
Main Results:
- Combination therapy demonstrates synergistic effects in preclinical models.
- Radiation plus immunotherapy can lead to superior local tumor control.
- Emerging data suggest significant abscopal effects with combined treatment.
Conclusions:
- Combining stereotactic radiation with immunotherapy agents is a promising new avenue for improving cancer therapeutic responses.
- Further research is needed to optimize radiation dose, fractionation, and modality for combination therapy.
- Recent clinical reports show dramatic sustained responses, both local and abscopal, with combined regimens.
