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October 5, 2025Neuro-Oncology

P05.16.b Defining the Optimal MGMT Methylation Cutoff and Its Correlation With Significant Genetic Alterations

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Authors

LMLuca De MarchiGPGiacomo PelizzariFTFrancesco Tuniz

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Overview

Analysis identifies optimal MGMT methylation cutoff, correlating with overall survival in glioblastoma, suggesting improved prognostic measures.

Key Points

  • The optimal MGMT methylation cutoff was determined to be 25%, significantly enhancing prognostic accuracy.
  • Kaplan-Meier analysis indicated that methylation status correlates with improved overall survival (OS) in glioblastoma patients.
  • Multivariate analysis confirmed that TP53 mutation acts as an independent prognostic factor, influencing survival outcomes.
  • The study emphasizes the need for precise definition of MGMT methylation for better patient prognostic stratification.

Cite This Study

Marchi et al. (2025) studied this question.

synapsesocial.com/papers/68e24e6bd6d66a53c2473a93https://doi.org/10.1093/neuonc/noaf193.221
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