Quantitative Oral HPV16 and HPV18 Detection in Persons Attending Dental Clinics.

This study aimed to assess quantitative human papillomavirus (HPV) type 16 and HPV18 detection in oral rinses obtained in dental offices in Seattle, Washington. We evaluated oral rinses collected during dental visits from 2016 to 2018. Multiplex TaqMan quantitative polymerase chain reaction was used to determine HPV16 and HPV18 viral load (VL). Of 15,313 persons, 152 (1%) had detectable oral HPV16/18. Men were at higher risk of oral HPV16/18 infection than women (1.6% vs. 0.6%; odds ratio, 3.2; 95% confidence interval, 2.1-4.4). Compared with women, men with HPV16 were older (median, 55 vs. 48 years; P < 0.001) and had higher VL (39.7 vs. 1.1 copies/mL, P < 0.001). Of 39 with HPV16 at baseline and a second oral rinse, 13 remained positive at subsequent rinse; of 8 with HPV18 at baseline, 2 remained positive at subsequent rinse. Persons with consecutive positive test results were all men and had higher baseline VL compared with those with first positive and second negative samples. Oral rinse is an acceptable method of HPV testing, and persons are interested in testing. Overall HPV16/18 prevalence was low, and detection was more frequent among men than women, especially at higher copy numbers. HPV16 persistence was more common in men with high VL at baseline test. Future studies are needed to evaluate the feasibility of an effective secondary prevention strategy for oropharyngeal cancer using quantitative oral HPV detection.

Citation

Helen C Stankiewicz Karita, Amalia Magaret, Meei-Li Huang, Keith R Jerome, Quinne Feng, Anna Wald. Quantitative Oral HPV16 and HPV18 Detection in Persons Attending Dental Clinics. Sexually transmitted diseases. 2020 Feb;47(2):100-104

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PMID: 31804297

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