Interventional magnetic-resonance-guided cryotherapy combined with microsurgery for recurrent glioblastoma: An

H Cebula1, J Garnon2, J Todeschi1

  • 1Department of Neurosurgery, University Hospital of Strasbourg, Strasbourg, France.

Neuro-Chirurgie
|December 15, 2021
PubMed
Abstract

Insights

Interventional MR-guided cryoablation (iMRgC) shows promise for recurrent glioblastoma, offering a good safety profile. This innovative treatment may improve progression-free and overall survival in glioblastoma patients.

Area of Science:

  • Neurosurgery
  • Oncology
  • Interventional Radiology

Background:

  • Glioblastoma recurrence after standard therapy presents a significant clinical challenge with poor prognosis.
  • Cryoablation is an established technique for extra-cranial tumors, but its application in recurrent glioblastoma is unexplored.
  • Interventional MR-guided cryoablation (iMRgC) offers a novel approach for localized tumor treatment.

Purpose of the Study:

  • To evaluate the feasibility and safety of iMRgC in patients with recurrent glioblastoma.
  • To assess the impact of iMRgC on progression-free survival (PFS) and overall survival (OS).
  • To analyze post-procedure survival outcomes following iMRgC and microsurgical resection.

Main Methods:

  • Retrospective analysis of 6 patients with recurrent glioblastoma over 24 months.
  • Inclusion criteria: recurrent glioblastoma post-Stupp protocol, confirmed diagnosis, suitable tumor location for iMRgC and resection, and patient consent.
  • Primary endpoint: assessment of complications; Secondary endpoints: PFS, post-iMRgC survival, and OS.

Main Results:

  • No major complications were observed in the study cohort (n=6).
  • Median PFS was 7.5 months, with a 6-month PFS rate of 50%.
  • Median post-iMRgC survival was 9 months (80% at 6 months), and median OS was 22.5 months.

Conclusions:

  • iMRgC demonstrates a favorable safety profile for recurrent glioblastoma, with no major complications reported.
  • Preliminary data suggest that iMRgC may lead to improved PFS and OS in patients with recurrent glioblastoma.
  • iMRgC represents a potentially valuable addition to the treatment armamentarium for recurrent glioblastoma.

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