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Fluorescence-guided surgery for high-grade gliomas.

Nikita Lakomkin1,2, Constantinos G Hadjipanayis1,2

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5-aminolevulinic acid (5-ALA) is a prodrug that enhances glioma fluorescence for surgical guidance. Its use improves tumor resection and patient survival, leading to FDA approval and new applications.

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Area of Science:

  • Neurosurgery
  • Oncology
  • Pharmacology

Background:

  • 5-aminolevulinic acid (5-ALA) is a prodrug that induces tumor-specific fluorescence.
  • High-grade gliomas exhibit fluorescence when treated with 5-ALA, differentiating them from normal brain tissue.
  • Fluorescence-guided surgery (FGS) utilizes this property for improved tumor visualization.

Purpose of the Study:

  • To review the evidence supporting 5-ALA in fluorescence-guided surgery for high-grade gliomas.
  • To highlight the clinical benefits of 5-ALA, including extent of resection and progression-free survival.
  • To discuss the recent FDA approval and emerging applications of 5-ALA.

Main Methods:

  • Review of existing scientific literature and clinical trial data on 5-ALA.
  • Analysis of studies focusing on 5-ALA's efficacy in high-grade glioma surgery.
  • Examination of evidence leading to regulatory approval and investigation of new uses.

Main Results:

  • Intraoperative use of 5-ALA significantly improves the extent of tumor resection.
  • 5-ALA application is associated with enhanced progression-free survival in glioma patients.
  • The growing body of evidence has led to the FDA approval of 5-ALA for specific indications.

Conclusions:

  • 5-ALA is a valuable tool in fluorescence-guided surgery for high-grade gliomas.
  • Its utilization enhances surgical outcomes and patient prognosis.
  • Emerging applications suggest a broader role for 5-ALA in neuro-oncology.