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Year : 2020  |  Volume : 3  |  Issue : 4  |  Page : 149-153

Particle radiation therapy in the management of adult high-grade glioma: A narrative review

Department of Radiation Oncology, Shanghai Proton and Heavy Ion Center, Fudan University Shanghai Cancer Center; Shanghai Engineering Research Center of Proton and Heavy Ion Radiation Therapy, Shanghai, China

Correspondence Address:
Dr. Jiade J Lu
Shanghai Proton and Heavy Ion Center, 4365 Kangxin Road, Pudong, Shanghai 201315
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/glioma.glioma_30_20

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This narrative review summarizes the current status of the use of particle radiation therapy on the treatment of adult malignant gliomas. Due to the unique physical property, particle (e.g., proton or carbon-ion) beam radiation therapy can improve radiation dose distribution, thereby therapeutic radio for patients with brain malignancy. Therefore, particle beam radiation therapy is associated with low adverse events which have implications for improving quality of life for long-term survivors. In addition, there is a potential for safe dose escalation in selected patients. Malignant glioma is considered radioresistant; thus, particle beams of higher relative biological effectiveness, carbon-ion beam, for example, may further improve disease control in theory. Data on carbon-ion beam RT alone for the management of brain tumor are scarce. Most literature described proton beam alone or the use of combined proton/photon and carbon-ion beam boost for the treatment of glioma. Existing clinical evidence describes virtually no acute high-grade toxicities and limited late effects. Prospective clinical trials are needed to confirm the improved efficacy and favorable toxicity profile of particle beam radiation therapy on adult malignant glioma described in retrospective studies. Currently, multiple prospective trials are ongoing to answer such questions.

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