5-ALA Fluorescence Image Guided Resection of Glioblastoma Multiforme: A Meta-Analysis of the Literature
Overview
Chemistry
Molecular Biology
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Background: Glioblastoma multiforme (GBM) is one of the most deadly cancers in humans. Despite recent advances in anti-cancer therapies, most patients with GBM die from local disease progression. Fluorescence image guided surgical resection (FIGR) was recently advocated to enhance local control of GBM. This is meta-analyses of 5-aminolevulinic (5-ALA) induced FIGR.
Materials: Review of the literature produced 503 potential publications; only 20 of these fulfilled the inclusion criteria of this analysis, including a total of 565 patients treated with 5-ALA-FIGR reporting on its outcomes and 800 histological samples reporting 5-ALA-FIGR sensitivity and specificity.
Results: The mean gross total resection (GTR) rate was 75.4% (95% CI: 67.4-83.5, p<0.001). The mean time to tumor progression (TTP) was 8.1 months (95% CI: 4.7-12, p<0.001). The mean overall survival gain reported was 6.2 months (95% CI: -1-13, p<0.001). The specificity was 88.9% (95% CI: 83.9-93.9, p<0.001) and the sensitivity was 82.6% (95% CI: 73.9-91.9, p<0.001).
Conclusion: 5-ALA-FIGR in GBM is highly sensitive and specific, and imparts significant benefits to patients in terms of improved GTR and TTP.
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