Oral HPV16 DNA as a screening tool to detect early oropharyngeal squamous cell carcinoma
Open Access
- 1 October 2020
- journal article
- research article
- Published by Wiley in Cancer Science
- Vol. 111 (10), 3854-3861
- https://doi.org/10.1111/cas.14585
Abstract
Given that oropharyngeal squamous cell carcinoma (OPSCC) have now surpassed cervical cancer as the most common human papillomavirus (HPV)-driven cancer, there is an interest in developing non-invasive predictive biomarkers to early detect HPV-driven OPSCC. In total, 665 cancer-free individuals were recruited from Queensland, Australia. Oral HPV16 DNA positivity in those individuals was determined by our in-house developed sensitive PCR method. Individuals with (n = 9) or without (n = 12) oral HPV16 infections at baseline were followed for a median duration of 24 mo. Individuals with persistent oral HPV16 infection (>= 30 mo) were invited for clinical examination of their oral cavity and oropharynx by an otolaryngologist. Oral HPV16 DNA was detected in 12 out of 650 cancer-free individuals (1.8%; 95% confidence interval [CI]: 1.0-3.2). Of the 3 individuals with persistent oral HPV16 infection, the first individual showed no clinical evidence of pathology. The second individual was diagnosed with a 2 mm invasive squamous cell carcinoma (T1N0M0) positive for both p16INK4a expression and HPV16 DNA. The third individual was found to have a mildly dysplastic lesion in the tonsillar region that was negative for p16INK4a expression and HPV16 DNA and she continues to have HPV16 DNA in her saliva. Taken together, our data support the value of using an oral HPV16 DNA assay as a potential screening tool for the detection of microscopic HPV-driven OPSCC. Larger multicenter studies across various geographic regions recruiting populations at a higher risk of developing HPV-driven OPSCC are warranted to extend and confirm the results of the current investigation.Funding Information
- Johnson and Johnson
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