MiRNA-181d Expression Significantly Affects Treatment Responses to Carmustine Wafer Implantation

Neurosurgery
Christoph SipplSteffi Urbschat

Abstract

Standard therapeutic protocols for glioblastoma, the most aggressive type of brain cancer, include surgery followed by chemoradiotherapy. Additionally, carmustine-eluting wafers can be implanted locally into the resection cavity. To evaluate microRNA (miRNA)-181d as a prognostic marker of responses to carmustine wafer implantation. A total of 80 glioblastoma patients (40/group) were included in a matched pair analysis. One group (carmustine wafer group) received concomitant chemoradiotherapy with carmustine wafer implantation (Stupp protocol). The second group (control group) received only concomitant chemoradiotherapy. All tumor specimens were subjected to evaluations of miRNA-181d expression, results were correlated with further individual clinical data. The Cancer Genome Atlas (TCGA) dataset of 149 patients was used as an independent cohort to validate the results. Patients in the carmustine wafer group with low miRNA-181d expression had significantly longer overall (hazard ratio [HR], 35.03, [95% confidence interval (CI): 3.50-350.23], P = .002) and progression-free survival (HR, 20.23, [95% CI: 2.19-186.86], P = .008) than patients of the same group with a high miRNA-181d expression. These correlations were not observed in...Continue Reading

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Citations

Aug 9, 2020·Frontiers in Immunology·Syreeta DeCordovaUday Kishore
Oct 4, 2020·Experimental and Molecular Pathology·Omidvar RezaeiSoudeh Ghafouri-Fard

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