• Medicine · Aug 2020

    Meta Analysis

    Diagnostic value of circulating tumor DNA in molecular characterization of glioma: A meta-analysis.

    • Yin Kang, Xiaohua Lin, and Dezhi Kang.
    • Department of Neurosurgery.
    • Medicine (Baltimore). 2020 Aug 14; 99 (33): e21196e21196.

    IntroductionCirculating tumor DNA (ctDNA) has provided a minimally invasive approach for the detection of genetic mutations in glioma. However, the diagnostic value of ctDNA in glioma remains unclear. This meta-analysis was designed to investigate the diagnostic value of ctDNA, compared with the current "criterion standard" tumor tissues.Materials And MethodsThe included studies were collected by searching PubMed, Web of Science, Cochrane Library, and Embase databases. All statistical analyses were performed using the STATA12.0 and Meta-DiSc1.4 software.ResultA total of 11 studies comprising 522 glioma patients met our inclusion criteria. The pooled sensitivity and specificity were 0.69 (95% confidence interval [CI] 0.66-0.73) and 0.98 (95% CI 0.96-0.99), respectively. The pooled diagnostic odds ratio was 23.27 (95% CI 13.69-39.53) and the area under the curve of the summary receiver operating characteristics curve was 0.90 (95% CI 0.89-0.92).ConclusionsctDNA analysis is an effective method to detect the genetic mutation status in glioma patients with high specificity and relatively moderate sensitivity. The application of high-throughput technologies, the detection of patients with high-grade glioma, and sampling from cerebrospinal fluid could have higher diagnostic accuracy. The improvement of detection methods and more large-sample case-control studies are required in the future.

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