ArticleJournal of neuro-oncology2025
Dietary habits in relation to outcome and therapy-related toxicity in patients with glioblastoma - a retrospective cohort study.
Article in Journal of neuro-oncology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Food group intake and chemotherapy-induced toxicity: a scoping review.Supportive care in cancer : official journal of the Multinational Association of Supportive Care in Cancer · 2026Article
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Authors and funding
14 authors.
Funding
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Abstract
purposeGlioblastoma is the most prevalent primary malignant brain tumour in adults and bears poor survival. Data on associations of nutrition with outcome parameters are scarce. Our aim was to investigate whether dietary habits influence chemotherapy-related toxicity and overall survival in patients with glioblastoma.
methodsIn this retrospective cohort study, we included glioblastoma patients who received treatment between January 2010 and December 2019. We used a 35-item food frequency questionnaire to calculate a dietary score based on Mediterranean-like diet recommendations. We analysed relationships between nutrition score, side effects and survival using chi square tests, binary logistic regression, Kaplan-Meier and multivariable Cox regression analyses.
resultsFrom an initial population of 1,448 patients, a homogenous cohort of 128 glioblastoma cases were included in our final analysis. Patients with a higher score than the median, tending to a more Mediterranean-like diet, showed more infections (13.8% vs. 3.2%, p = 0.031) and a trend for more myelodepression (32.3% vs. 17.5%, p = 0.052). A higher score was predictive for infections (OR = 12.33, 95% CI: 1.36-111.98; p = 0.026). Median survival was worse in the higher score group (16.6 vs. 19.4 months, p = 0.004), confirmed by multivariable cox regression analysis (HR 1.60, 95% CI 1.04–2.46; p = 0.034).
conclusionWe identified associations between dietary patterns and chemotherapy-related toxicity as well as outcome. Our findings underscore the potential impact of nutrition on cancer treatment outcomes. Further research is needed to validate these results and to address possible underlying mechanisms.
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