Proton therapy for adult-type diffuse glioma: a systematic review

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Goliot, Nicolas | Mohssine, Selim | Stefan, Dinu | Leclerc, Arthur | Emery, Evelyne | Riverain, Jeanne | Missohou, Fernand | Geffrelot, Julien | Kao, William | Valable, Samuel | Balosso, Jacques | Lesueur, Paul

Edité par CCSD ; Elsevier -

CERVOXY. International audience. BackgroundWe conducted a systematic review to evaluate outcomes and toxicities associated with proton therapy in the treatment of adult-type diffuse glioma.MethodsFollowing PRISMA guidelines, we searched PubMed for both prospective and retrospective studies on proton therapy for adult diffuse gliomas, including low-grade gliomas and glioblastomas. Survival and toxicity outcomes were reported separately for these glioma types.ResultsTwelve studies from 2013 to 2023 were selected, comprising 3 prospective and 9 retrospective studies. The analysis covered 570 patients with low-grade gliomas and 240 patients with glioblastoma or WHO grade 4 gliomas. Proton therapy was found to be comparable to conventional radiotherapy in terms of survival outcomes. Its main advantage is the ability to minimize radiation exposure to healthy tissues.DiscussionProton therapy offers comparable survival outcomes to conventional radiotherapy for adult diffuse gliomas and may enhance treatment tolerance, especially regarding neurocognitive function. A major limitation of this review is the predominance of retrospective studies. Future research should ensure rigorous patient selection and adhere to the latest WHO 2021 classification

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