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The prevalence of post-therapy epilepsy in patients treated for high-grade glial tumors: a systematic review and meta-analysis

dc.contributor.authorFerreira, Marta Pereira
dc.contributor.authorCarvalho, Ruben Lopes
dc.contributor.authorSoares, Joana Isabel
dc.contributor.authorCasalta‑Lopes, João
dc.contributor.authorBorges, Daniel Filipe
dc.contributor.authorBorges, Daniel Filipe
dc.contributor.authorSoares, Joana I.
dc.date.accessioned2025-03-27T12:35:02Z
dc.date.available2025-03-27T12:35:02Z
dc.date.issued2025-03-21
dc.description.abstractGliomas are the most prevalent type of primary brain tumor of the adult central nervous system. High-grade gliomas (HGG) are the most common type of glioma. Epilepsy is often the first clinical manifestation of HGG. Since epilepsy leads to increased morbidity and mortality rates, seizure control is one of the main therapeutic goals for patients with glioma-related epilepsy. Post-therapy epilepsy is observed in a significant percentage of patients, hence, this work aimed to quantify the prevalence of post-therapy epilepsy after HGG treatment. Our search was conducted across PubMed®, EMBASE®, Web of Science™, Cochrane Library, Sicelo and Scopus, adhering to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. This review included articles published in Portuguese or English that evaluate adult patients with newly diagnosed HGG, who were treated with at least surgery or radiation. Thirty-six studies reporting on 4036 HGG patients were included in our meta-analysis. The mean age ranged from 44 to 73 years. Glioblastoma was the most commonly observed HGG, representing 77,8% of all glioma patients. The pre-treatment seizure frequency was observed in 21,2%. All patients underwent surgery as the main therapy, and 1842 patients received standard adjuvant therapy. We also observed a pooled prevalence of post-therapy seizures of 25.5% (95% confidence interval of [19.9%; 31.1%]). Substantial heterogeneity in all assessed variables was observed. Conducting larger prospective studies with suitable epilepsy diagnostic methods would help provide a more precise estimate of the number of HGG patients who develop post-therapy epilepsy.por
dc.identifier.citationFerreira, M. P., Carvalho, R. L., Borges, D. F., Soares, J. I., & Casalta-Lopes, J. (2025). The prevalence of post-therapy epilepsy in patients treated for high-grade glial tumors: A systematic review and meta-analysis. Medical Oncology, 42(4), 128. https://doi.org/10.1007/s12032-025-02677-6
dc.identifier.doi10.1007/s12032-025-02677-6
dc.identifier.eissn1559-131X
dc.identifier.issn1357-0560
dc.identifier.urihttp://hdl.handle.net/10400.22/29893
dc.language.isoeng
dc.peerreviewedyes
dc.publisherSpringer
dc.relation.hasversionhttps://link.springer.com/article/10.1007/s12032-025-02677-6
dc.rights.uriN/A
dc.subjectHigh-grade glioma
dc.subjectPost-therapy epilepsy
dc.subjectGlioblastoma
dc.subjectAstrocytoma
dc.subjectOligodendroglioma
dc.subjectSystematic review
dc.titleThe prevalence of post-therapy epilepsy in patients treated for high-grade glial tumors: a systematic review and meta-analysispor
dc.typeresearch article
dspace.entity.typePublication
oaire.citation.issue128
oaire.citation.titleMedical Oncology
oaire.citation.volume42 (4)
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameBorges
person.familyNameSoares
person.givenNameDaniel Filipe
person.givenNameJoana I.
person.identifier3235598
person.identifier.ciencia-id0217-87F9-58DF
person.identifier.ciencia-idB81F-1A58-0242
person.identifier.orcid0000-0003-0189-7908
person.identifier.orcid0000-0002-3549-6873
person.identifier.ridJVO-1831-2024
person.identifier.scopus-author-id57912703700
relation.isAuthorOfPublicationf67e814a-8ad9-4440-820a-deaccea87bb8
relation.isAuthorOfPublication60b3d8c2-513c-4fcf-9b0d-0c85bd34ea1b
relation.isAuthorOfPublication.latestForDiscoveryf67e814a-8ad9-4440-820a-deaccea87bb8

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