5-Aminolevulinic Acid False-Positive Rates in Newly Diagnosed and Recurrent Glioblastoma: Do Pseudoprogression and Radionecrosis Play a Role? A Meta-Analysis

BackgroundSeveral studies have confirmed the impact of 5-aminolevulinic acid (5-ALA) on the extent of resection in newly diagnosed glioblastoma (GBM). However, there are controversies on the 5-ALA fluorescence status in recurrent GBM surgery, with specific reference to pseudoprogression or radionecr...

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Main Authors: Luca Ricciardi, Carmelo Lucio Sturiale, Alba Scerrati, Vito Stifano, Teresa Somma, Tamara Ius, Sokol Trungu, Michele Acqui, Antonino Raco, Massimo Miscusi, Giuseppe Maria Della Pepa
Format: Article
Language:English
Published: Frontiers Media S.A. 2022-02-01
Series:Frontiers in Oncology
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Online Access:https://www.frontiersin.org/articles/10.3389/fonc.2022.848036/full
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author Luca Ricciardi
Carmelo Lucio Sturiale
Carmelo Lucio Sturiale
Alba Scerrati
Alba Scerrati
Vito Stifano
Vito Stifano
Teresa Somma
Tamara Ius
Sokol Trungu
Sokol Trungu
Michele Acqui
Antonino Raco
Massimo Miscusi
Giuseppe Maria Della Pepa
Giuseppe Maria Della Pepa
author_facet Luca Ricciardi
Carmelo Lucio Sturiale
Carmelo Lucio Sturiale
Alba Scerrati
Alba Scerrati
Vito Stifano
Vito Stifano
Teresa Somma
Tamara Ius
Sokol Trungu
Sokol Trungu
Michele Acqui
Antonino Raco
Massimo Miscusi
Giuseppe Maria Della Pepa
Giuseppe Maria Della Pepa
author_sort Luca Ricciardi
collection DOAJ
description BackgroundSeveral studies have confirmed the impact of 5-aminolevulinic acid (5-ALA) on the extent of resection in newly diagnosed glioblastoma (GBM). However, there are controversies on the 5-ALA fluorescence status in recurrent GBM surgery, with specific reference to pseudoprogression or radionecrosis; therefore, the safety and accuracy of surgical planning in 5-ALA-assisted procedures in the recurrent context are still unclear.Materials and MethodsThis is a systematic review and meta-analysis of comparative studies on the use of 5-ALA in newly diagnosed and recurrent GBM, consistently conducted according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) statement. Data on fluorescence status and correlation between fluorescence and histological findings were collected. We performed a meta-analysis of proportions to estimate the pooled rates of each outcome.ResultsThree online medical databases (PubMed, Scopus, Cochrane Library) were screened, 448 articles were evaluated, and 3 papers were finally included for data analysis. Fluorescence rate was not different between newly diagnosed and recurrent GBM [p = 0.45; odds ratio (OR): 1.23; 95% CI: 0.72–2.09; I2 = 0%], while the rate of 5-ALA fluorescence-positive areas not associated with histological findings of GBM cells was higher in recurrent GBM (p = 0.04; OR: 0.24; 95% CI: 0.06–0.91; I2 = 19%). Furthermore, there were no cases of radionecrosis in false-positive samples, while inflammation and signs of pseudoprogression were found in 81.4% of the cases.Discussion and ConclusionsTherefore, a robust awareness of 5-ALA potentialities and pitfalls in recurrent GBM surgery should be considered for a cognizant surgical strategy. Further clinical trials could confirm the results of the present meta-analysis.
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spelling doaj.art-1ef1ff8e872b4e0a8b8065b51b5e9fb32022-12-21T23:59:55ZengFrontiers Media S.A.Frontiers in Oncology2234-943X2022-02-011210.3389/fonc.2022.8480368480365-Aminolevulinic Acid False-Positive Rates in Newly Diagnosed and Recurrent Glioblastoma: Do Pseudoprogression and Radionecrosis Play a Role? A Meta-AnalysisLuca Ricciardi0Carmelo Lucio Sturiale1Carmelo Lucio Sturiale2Alba Scerrati3Alba Scerrati4Vito Stifano5Vito Stifano6Teresa Somma7Tamara Ius8Sokol Trungu9Sokol Trungu10Michele Acqui11Antonino Raco12Massimo Miscusi13Giuseppe Maria Della Pepa14Giuseppe Maria Della Pepa15Division of Neurosurgery, Sant’Andrea Hospital, Department of Neuroscience, Mental Health and Sense Organs (NESMOS), Sapienza University of Rome, Rome, ItalyInstitute of Neurosurgery, Fondazione Policlinico Universitario A. Gemelli, Rome, ItalyDivision of Neurosurgery, Catholic University of Rome, Rome, ItalyNeurosurgery Department, S. Anna University Hospital, Ferrara, ItalyDepartment of Morphology, Surgery and Experimental Medicine, University of Ferrara, Ferrara, ItalyInstitute of Neurosurgery, Fondazione Policlinico Universitario A. Gemelli, Rome, ItalyDivision of Neurosurgery, Catholic University of Rome, Rome, ItalyDivision of Neurosurgery, Department of Neurosciences and Reproductive and Odontostomatological Sciences, Federico II University, Naples, ItalyDivision of Neurosurgery, Neuroscience Department, University Hospital of Udine, Udine, ItalyDivision of Neurosurgery, Sant’Andrea Hospital, Department of Neuroscience, Mental Health and Sense Organs (NESMOS), Sapienza University of Rome, Rome, ItalyNeurosurgery Unit, Cardinal G. Panico Hospital, Tricase, ItalyDivision of Neurosurgery, Sant’Andrea Hospital, Department of Neuroscience, Mental Health and Sense Organs (NESMOS), Sapienza University of Rome, Rome, ItalyDivision of Neurosurgery, Sant’Andrea Hospital, Department of Neuroscience, Mental Health and Sense Organs (NESMOS), Sapienza University of Rome, Rome, ItalyDivision of Neurosurgery, Sant’Andrea Hospital, Department of Neuroscience, Mental Health and Sense Organs (NESMOS), Sapienza University of Rome, Rome, ItalyInstitute of Neurosurgery, Fondazione Policlinico Universitario A. Gemelli, Rome, ItalyDivision of Neurosurgery, Catholic University of Rome, Rome, ItalyBackgroundSeveral studies have confirmed the impact of 5-aminolevulinic acid (5-ALA) on the extent of resection in newly diagnosed glioblastoma (GBM). However, there are controversies on the 5-ALA fluorescence status in recurrent GBM surgery, with specific reference to pseudoprogression or radionecrosis; therefore, the safety and accuracy of surgical planning in 5-ALA-assisted procedures in the recurrent context are still unclear.Materials and MethodsThis is a systematic review and meta-analysis of comparative studies on the use of 5-ALA in newly diagnosed and recurrent GBM, consistently conducted according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) statement. Data on fluorescence status and correlation between fluorescence and histological findings were collected. We performed a meta-analysis of proportions to estimate the pooled rates of each outcome.ResultsThree online medical databases (PubMed, Scopus, Cochrane Library) were screened, 448 articles were evaluated, and 3 papers were finally included for data analysis. Fluorescence rate was not different between newly diagnosed and recurrent GBM [p = 0.45; odds ratio (OR): 1.23; 95% CI: 0.72–2.09; I2 = 0%], while the rate of 5-ALA fluorescence-positive areas not associated with histological findings of GBM cells was higher in recurrent GBM (p = 0.04; OR: 0.24; 95% CI: 0.06–0.91; I2 = 19%). Furthermore, there were no cases of radionecrosis in false-positive samples, while inflammation and signs of pseudoprogression were found in 81.4% of the cases.Discussion and ConclusionsTherefore, a robust awareness of 5-ALA potentialities and pitfalls in recurrent GBM surgery should be considered for a cognizant surgical strategy. Further clinical trials could confirm the results of the present meta-analysis.https://www.frontiersin.org/articles/10.3389/fonc.2022.848036/fullglioblastomahigh-grade glioma (HGG)recurrent glioblastoma5-ALA fluorescencepseudoprogressionradionecrosis
spellingShingle Luca Ricciardi
Carmelo Lucio Sturiale
Carmelo Lucio Sturiale
Alba Scerrati
Alba Scerrati
Vito Stifano
Vito Stifano
Teresa Somma
Tamara Ius
Sokol Trungu
Sokol Trungu
Michele Acqui
Antonino Raco
Massimo Miscusi
Giuseppe Maria Della Pepa
Giuseppe Maria Della Pepa
5-Aminolevulinic Acid False-Positive Rates in Newly Diagnosed and Recurrent Glioblastoma: Do Pseudoprogression and Radionecrosis Play a Role? A Meta-Analysis
Frontiers in Oncology
glioblastoma
high-grade glioma (HGG)
recurrent glioblastoma
5-ALA fluorescence
pseudoprogression
radionecrosis
title 5-Aminolevulinic Acid False-Positive Rates in Newly Diagnosed and Recurrent Glioblastoma: Do Pseudoprogression and Radionecrosis Play a Role? A Meta-Analysis
title_full 5-Aminolevulinic Acid False-Positive Rates in Newly Diagnosed and Recurrent Glioblastoma: Do Pseudoprogression and Radionecrosis Play a Role? A Meta-Analysis
title_fullStr 5-Aminolevulinic Acid False-Positive Rates in Newly Diagnosed and Recurrent Glioblastoma: Do Pseudoprogression and Radionecrosis Play a Role? A Meta-Analysis
title_full_unstemmed 5-Aminolevulinic Acid False-Positive Rates in Newly Diagnosed and Recurrent Glioblastoma: Do Pseudoprogression and Radionecrosis Play a Role? A Meta-Analysis
title_short 5-Aminolevulinic Acid False-Positive Rates in Newly Diagnosed and Recurrent Glioblastoma: Do Pseudoprogression and Radionecrosis Play a Role? A Meta-Analysis
title_sort 5 aminolevulinic acid false positive rates in newly diagnosed and recurrent glioblastoma do pseudoprogression and radionecrosis play a role a meta analysis
topic glioblastoma
high-grade glioma (HGG)
recurrent glioblastoma
5-ALA fluorescence
pseudoprogression
radionecrosis
url https://www.frontiersin.org/articles/10.3389/fonc.2022.848036/full
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