Predicting late radiation-associated neurocognitive and endocrine toxicity in patients with brain tumors - Summary - MDSpire
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Forecasting Delayed Neurocognitive and Endocrine Toxicity from Radiation in Brain Tumor Patients

  • By

  • Kyle Tuohy

  • Aarav Badani

  • Ava Franklin

  • Brad Zacharia

  • Dawit Aregawi

  • Alireza Mansouri

  • Paul Brown

  • Michael Glantz

  • May 28, 2026

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Objective:

To identify risk factors for post-radiation neurocognitive decline and endocrine dysfunction in brain tumor patients receiving cranial irradiation, emphasizing the significance of these factors in patient management.

Key Findings:
  • Radiation-induced neurocognitive dysfunction can affect various cognitive domains, impacting patient quality of life.
  • Vascular injury is a significant factor in radiation-induced neurocognitive decline, suggesting a target for intervention.
  • No validated biomarkers exist to predict neurocognitive decline prior to cranial irradiation, indicating a gap in current clinical practice.
Interpretation:

The study hypothesizes that vascular and dementia-related risk factors may help identify patients at risk for developing neurocognitive dysfunction after cranial irradiation, potentially guiding preventive strategies.

Limitations:
  • Retrospective design may introduce bias; future studies should consider prospective designs.
  • Reliance on MMSE, which has known limitations in assessing cognitive impairment; alternative assessments should be explored.
  • Lack of formal and prospective definitions for patient and physician assessments of cognitive decline; standardization is needed.
Conclusion:

Identifying risk factors for neurocognitive decline post-radiation could optimize patient management and quality of life, underscoring the need for further research in this area.

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