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[Chemoradiation for malignant brain tumors]

M Matsutani1

  • 1Department of Neurosurgery, Saitama Medical School, Japan.

Gan to Kagaku Ryoho. Cancer & Chemotherapy
|December 6, 1997
PubMed
Summary

Chemoradiation therapy improves outcomes for malignant brain tumors like astrocytoma and medulloblastoma. Combining radiation with chemotherapy, such as nitrosoureas or cisplatin, enhances antitumor effects for various brain cancers.

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Area of Science:

  • Oncology
  • Radiation Oncology
  • Neuro-oncology

Context:

  • Malignant brain tumors present significant therapeutic challenges.
  • Chemoradiation is a cornerstone in managing primary and metastatic brain cancers.
  • Established treatment protocols exist for astrocytic tumors and medulloblastoma.

Purpose:

  • To review and synthesize the current findings on chemoradiation therapy for malignant brain tumors.
  • To evaluate the efficacy of different chemotherapeutic agents used in conjunction with radiation therapy.
  • To assess the impact of chemoradiation on survival rates for various brain tumor types.

Summary:

  • Radiation therapy combined with radiosensitizing agents, primarily nitrosoureas (BCNU or ACNU), is a long-standing standard for astrocytic tumors, showing greater efficacy in anaplastic astrocytoma compared to glioblastoma.
  • Chemoradiation therapy is now utilized for medulloblastoma, significantly improving 5-year survival rates to approximately 70%.
  • Metastatic brain tumors often benefit from radiation therapy alone, with enhanced antitumor effects observed when combined with cisplatin.

Impact:

  • Chemoradiation therapy offers improved survival and treatment outcomes for patients with malignant brain tumors.
  • The findings support the continued use and optimization of chemoradiation protocols in neuro-oncology.
  • This review highlights the potential of combining radiation with specific chemotherapeutic agents for enhanced efficacy.

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