HPV Vaccination Males: Addressing High Infection Rates and Preventing Cervical Lesions

By João L. Carapinha

February 14, 2025

A recent study investigated the prevalence, distribution, and potential use of vaccines for Human Papillomavirus (HPV) infection among 90 male partners of women attending cervical cancer screening in Italy. It reveals a high HPV prevalence of 66.7% among males, with a significant presence of high-risk HPV (hrHPV) genotypes. Notably, 55% of these HPV-positive males had multiple infections. The findings highlight that the nonavalent HPV vaccine offers a higher potential to prevent cervical lesions compared to the quadrivalent vaccine, estimating an additional impact of 31.1% in histological and 32.4% in cytological diagnoses.

Key Insights from the Study

– High HPV Prevalence: 66.7% of the male participants were HPV-positive, with 90% of these cases involving hrHPV genotypes.
– Multiple Infections: 55% of the HPV-positive males had multiple infections.
– Genotype Distribution: HPV31, HPV52, and HPV53 were the most frequent and significant oncogenic genotypes.
– Vaccine Efficacy: The nonavalent HPV vaccine shows a significantly higher potential to prevent cervical lesions compared to the quadrivalent vaccine.
– Correlation with Cervical Lesions: A significant correlation exists between the number of HPV genotypes in males and the severity of cervical lesions in their female partners.
– Public Health Implications: Vaccinating male partners could significantly reduce the transmission of HPV and subsequent cervical lesions in women.

Background Context

HPV is one of the most widespread sexually transmitted infections globally. Nearly 80% of sexually active men and women are likely to become infected at least once in their lifetime. Persistent HPV infection is a major cause of cervical cancer. Regular screening and vaccination are essential preventive measures. The World Health Organization (WHO) emphasizes that cervical cancer can be prevented with regular screening tests and prophylactic vaccination. Men can act as reservoirs for HPV, influencing the risk of cervical lesions in their female partners. However, male-specific screening programs are lacking, which exacerbates this public health issue.

Health Economic and Policy Implications

The study indicates that vaccinating male partners could reduce the economic burden associated with managing HPV-related diseases. In Italy, HPV-related diseases in men significantly contribute to total healthcare costs. Implementing HPV vaccination campaigns targeting men alongside women could enhance public health outcomes. This approach is vital given the low adherence to vaccination among men, despite its preventive benefits. The study highlighted the need for larger cohorts and investigation to confirm the link between male HPV genotypes and the severity of cervical lesions in female partners. Identifying the key genotypes involved in female partner infections is also crucial for assessing concordance within couples. These findings may help identify high-risk groups for intervention. However, there are challenges in implementing prophylactic vaccination among the male population, highlighting the necessity for targeted educational and awareness campaigns.

Notes on Methodology: HPV vaccination in Males

The study is based on a small cohort in Italy, which may not represent the global population. The analysis included age at first sexual intercourse but did not account for the number of sexual partners, an essential factor in understanding HPV transmission. Expanding the cohort and including additional variables, such as the number of sexual partners, would strengthen the findings and provide a comprehensive understanding of HPV transmission dynamics.

In conclusion, HPV vaccination for males is crucial for reducing HPV transmission and preventing cervical lesions in women.

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