Assessment of subventricular zone irradiation in glioblastoma patients - Report - MDSpire

Assessment of subventricular zone irradiation in glioblastoma patients

  • By

  • Laya K. Pillai

  • Maitrik J. Mehta

  • Ankita Parikh

  • Niranjan Dash

  • Vinay Shivhare

  • Sonal Patel Shah

  • Akash Pandya

  • Jayesh Kumar Singh

  • Krishna Prajapati

  • Anjali Bahuguna

  • Raxit Darji

  • May 22, 2026

  • 0 min

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Evaluation of Irradiation Effects on the Subventricular Zone in Patients with Glioblastoma

Overview

Revise to clarify the relationship between SVZ irradiation and survival outcomes, avoiding implications of causation.

Background

Expand on the controversy regarding SVZ irradiation to provide a more comprehensive background.

Data Highlights

Adjust the table format for clarity and add a note on the significance of the findings.

Key Findings

  • Median overall survival (OS) was 13 months, and median progression-free survival (PFS) was 6.5 months.
  • SVZ contact was associated with inferior OS (7 vs 15 months; p = 0.044).
  • Higher ipsilateral SVZ dose (≥52.14 Gy) showed a trend toward improved OS (p = 0.04).
  • SVZ contact identified a higher-risk subgroup of GBM patients.
  • Findings are exploratory and require larger studies for validation.

Clinical Implications

Highlight the exploratory nature of the findings and the need for further research.

Conclusion

The study highlights the complex role of the SVZ in GBM prognosis and treatment response. Further research is essential to clarify the therapeutic implications of SVZ irradiation.

Related Resources & Content

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  5. ASTRO updates guideline on radiation therapy for high-grade diffuse glioma - American Society for Radiation Oncology (ASTRO)
  6. ASTRO updates guideline on radiation therapy for high-grade diffuse glioma - American Society for Radiation Oncology (ASTRO)
  7. https://ro-journal.biomedcentral.com/counter/pdf/10.1186/s13014-025-02601-2.pdf
  8. Subventricular zone-associated classification in isocitrate dehydrogenase-wildtype glioblastomas: improved prognostic value through integration of FLAIR with contrast-enhanced imaging - PubMed

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