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. 2021 Nov 2;73(9):e3227-e3234.
doi: 10.1093/cid/ciaa1701.

Factors Associated With Persistence and Clearance of High-Risk Oral Human Papillomavirus (HPV) Among Participants in the HPV Infection in Men (HIM) Study

Deepti Bettampadi  1   2 , Bradley A Sirak  2 , Martha E Abrahamsen  2 , Richard R Reich  3 , Luisa L Villa  4 , Eduardo Lazcano Ponce  5 , Anna R Giuliano  1   2
Affiliations

Factors Associated With Persistence and Clearance of High-Risk Oral Human Papillomavirus (HPV) Among Participants in the HPV Infection in Men (HIM) Study

Deepti Bettampadi et al. Clin Infect Dis. .

Abstract

Background: Human papillomavirus (HPV)-attributable oropharyngeal cancer (HPV-OPC) incidence is increasing in many high-income countries among men. Factors associated with oral HPV persistence, the precursor of HPV-OPC, are unknown. Data from the HPV Infection in Men (HIM) Study, which followed participants >7 years, were utilized to examine rates of persistence and associated factors.

Methods: Oral gargle samples from 3095 HIM study participants were HPV genotyped using the SPF10 PCR-DEIA-LiPA25 assay (DDL Diagnostic Laboratory). Oral HPV persistence for individual and grouped high-risk HPV types among 184 men positive for any high-risk HPV at their oral baseline visit was assessed at 6-month intervals. Factors associated with grouped high-risk HPV/HPV16 persistence were examined using logistic regression. Kaplan-Meier curves were constructed to examine median time to HPV clearance overall, and by selected risk factors.

Results: Among the 7 HPV vaccine types, HPV33 had the longest median duration (7.6 months) followed by HPV16 and HPV45 (6.4 months). 10-30% of oral high-risk HPV infections persisted ≥24 months. Six months' persistence of oral high-risk HPV infections was positively associated with age and gingivitis and negatively with lifetime number of sexual partners, while 12 months' persistence was only inversely associated with lifetime number of sexual partners. Oral HPV16 persistence was positively associated with baseline HPV16 L1 antibody status.

Conclusions: Eighteen percent of HPV16 infections persisted beyond 24 months, potentially conferring higher risk of HPV-OPC among these men. Older age appears to be an important factor associated with oral high-risk HPV persistence. More studies among healthy men are required to understand the progression of oral HPV infection to HPV-OPC.

Keywords: HIM study; HPV persistence; oral HPV; oral HPV clearance; oropharyngeal cancer.

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Figures

Figure 1.
Figure 1.
Time to clearance of prevalent detected individuals at high risk of oral HPV infection. Abbreviations: HIM Study, HPV Infection in Men Study; HPV, human papillomavirus.
Figure 2.
Figure 2.
Clearance of prevalent detected infection of any high-risk HPV by lifetime number of sex partners. Abbreviation: HPV, human papillomavirus.
Figure 3.
Figure 3.
Time to clearance of prevalent detected HPV16 infection by HPV16 antibody status at baseline. Abbreviation: HPV, human papillomavirus.
See this image and copyright information in PMC

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