ArticleNeuro-oncology practice2025
Actionable alterations in glioblastoma: Insights from the implementation of genomic profiling as the standard of care from 2016 to 2023.
Article in Neuro-oncology practice, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Beyond variant detection: Mismatch repair gene alterations in plasma cell-free DNA from 1,226 glioma samples, and plasma-confirmed functional deficiency in an unbiopsied pontine glioma.The journal of liquid biopsy · 2026Article
- Clinical actionability in gliomas revealed by real-world next-generation sequencing: a multicentric study.NPJ precision oncology · 2026Article
- Should we be testing for germline and "actionable" mutations in all glioma patients?Neuro-oncology practice · 2025Article
- Identifying targetable alterations predictive of distant progression in glioblastoma patients undergoing standard therapy.Neuro-oncology advancesArticle
- Patient preferences for incidental findings in a genomic trial: Insights from the Copenhagen glioblastoma cohort.Neuro-oncology advancesArticle
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Authors and funding
14 authors.
Funding
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Abstract
Background: In 2016, genomic profiling was implemented for patients with grade 4 primary brain tumors at Rigshospitalet, Denmark. The aim of this study was to discover actionable alterations and to match these with targeted therapies. Methods: Between January 2016 and December 2023, 483 brain tumor patients were profiled. We retrieved clinical data and molecular data. Whole exome, whole genome, or panel sequencing, along with SNP array analyses, and RNA-seq were performed on resected primary tumor tissue. Alterations were classified according to the European Society for Medical Oncology (ESMO) Scale for Clinical Actionability of Molecular Targets (ESCAT) following the European Association of Neuro-Oncology (EANO) guideline on rational molecular testing. Results: A total of 200 (41.4%) patients' tumors harbored an alteration of interest according to the EANO guideline. Twenty (4.1%) patients had an ESCAT high-tier alteration (tier I or II), while 155 patients (32.1%) had an alteration corresponding to ESCAT IIIA. Thirty-five patients (7.2%) had an actionable alteration, and 15 (3.1%) received targeted therapy. The treated targets were BRAFV600E mutations, FGFR alterations, NTRK fusions, PDGFRA fusions, PTPRZ1-MET fusions, and TMB-high. The overall response rate was 20%, with a median duration of response of 12 months, and 47% achieved stable disease as the best response. Conclusions: Genomic profiling uncovers alterations of interest in a substantial number of patients, but only a minority are considered by the Danish National Molecular Tumor Board to have actionable alterations, and even fewer receive targeted therapy. Nevertheless, factors, such as promising targets and the increasing availability of trials, may contribute to a future increase in the number of patients benefiting from targeted therapies based on genomic profiling.
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