Efficacy of hypermethylated DNA biomarkers in saliva and oral swabs for oral cancer diagnosis: systematic review and meta-analysis

Adeoye, John, Alade, Azeez Arisekola, Zhu, Wang yong, Wang, Weilan, Choi, Siu Wai, and Thomson, Peter (2021) Efficacy of hypermethylated DNA biomarkers in saliva and oral swabs for oral cancer diagnosis: systematic review and meta-analysis. Oral Diseases. (In Press)

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Abstract

Objectives: This study aims to determine the diagnostic test accuracy (DTA) of hypermethylated DNA biomarkers in saliva and oral swabs for oral squamous cell carcinoma (OSCC) detection from the prevalidation studies available.

Materials and Methods: Electronic database searching of PubMed, EMBASE, Cochrane Library, Scopus, Web of Science, and LILACS was conducted to identify relevant articles that were published between January 1, 2000, and August 1, 2020.

Results: Meta-analysis was conducted based on 11 of 20 studies selected for review. Included studies had high bias concerns on the QUADAS-2 study assessment tool. We found that salivary and oral swab hypermethylation markers had better specificity than sensitivity for oral cancer detection. Summary sensitivity and specificity (95% CI) of hypermethylation panels were 86.2% (60–96.2) and 90.6% (85.9–93.9) while for individual markers, summary sensitivity and specificity (95% CI) were 70% (56.9–80.5) and 91.9% (80.3–96.9), respectively. Respective positive and negative likelihood ratios for combined markers were 9.2 (5.89–14.36) and 0.15 (0.05–0.5), and 8.61 (3.39–21.87) and 0.33 (0.22–0.49) for single-application biomarkers.

Conclusion: DNA hypermethylation biomarkers especially in combination have acceptable DTA that warrants further optimization with rigorous biomarker evaluation methods for conclusive determination of their efficacy.

Item ID: 68420
Item Type: Article (Research - C1)
ISSN: 1601-0825
Keywords: diagnostic biomarkers, DNA hypermethylation, oral cancer, oral swabs, saliva
Copyright Information: (C) 2021 Wiley Periodicals
Date Deposited: 21 Jul 2021 04:34
FoR Codes: 32 BIOMEDICAL AND CLINICAL SCIENCES > 3203 Dentistry > 320307 Oral medicine and pathology @ 50%
32 BIOMEDICAL AND CLINICAL SCIENCES > 3211 Oncology and carcinogenesis > 321102 Cancer diagnosis @ 50%
SEO Codes: 20 HEALTH > 2001 Clinical health > 200101 Diagnosis of human diseases and conditions @ 100%
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