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[Evidence-based radiation therapy for primary brain tumors]
Yuta Shibamoto1, Natsuo Tomita, Taro Kono
1Dept. of Radiology, Nagoya City University Graduate School of Medical Sciences.
Gan to Kagaku Ryoho. Cancer & Chemotherapy
|April 3, 2003
Summary
Radiation therapy is effective for malignant gliomas, but further research is needed for other primary brain tumors. Novel treatments and Intensity-Modulated Radiation Therapy (IMRT) require more investigation in neuro-oncology.
Area of Science:
- Neuro-oncology
- Radiation Oncology
- Clinical Trials
Context:
- Prospective trials evaluating radiation therapy for five primary brain tumors.
- Established efficacy of radiation and radiochemotherapy for malignant gliomas.
- Limited evidence for novel treatment modalities in malignant gliomas.
Purpose:
- To review the role of radiation therapy in primary brain tumors based on prospective trials.
- To identify areas where further research is needed for specific brain tumor types.
- To highlight the importance of Intensity-Modulated Radiation Therapy (IMRT) in neuro-oncology.
Summary:
- Radiation therapy and radiochemotherapy are beneficial for malignant gliomas, with novel treatments needing further evaluation.
- Radiotherapy shows utility in low-grade gliomas, but dose-effect relationships are not consistently observed.
- Challenges remain in reducing radiation dose to the cerebrospinal axis in medulloblastoma.
- Reliable data for germinoma and primary central nervous system lymphoma are lacking, impacting chemotherapy efficacy assessment.
Impact:
- Informs clinical practice regarding established and emerging treatments for primary brain tumors.
- Guides future research directions, emphasizing the need for prospective studies.
- Underscores the significance of establishing IMRT and conducting controlled trials to validate its efficacy in neuro-oncology.