New Research Shows HPV Vaccine Prevents Cancer in Men, but Uptake Rates Lag Behind for Boys in the US

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ICARO Media Group
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24/05/2024 18h02

According to recent research, the HPV vaccine is proving to be effective in preventing cancer in both men and women. However, the vaccination rates among boys in the United States are significantly lower than those among girls. The HPV vaccine was initially developed to prevent cervical cancer in women and has been successful in reducing its prevalence when combined with regular screenings.

While evidence of the vaccine's efficacy in preventing HPV-related cancers in men has been slower to emerge, the latest study indicates that vaccinated men have a lower incidence of mouth and throat cancers compared to those who did not receive the vaccine. These types of cancers are more than twice as common in men as in women.

To conduct the study, researchers compared a large healthcare dataset consisting of 3.4 million individuals of similar ages, half of whom were vaccinated and half of whom were not. As expected, vaccinated women had a lower risk of developing cervical cancer within five years of receiving the shots. However, men also experience benefits from the vaccine. Vaccinated men had a reduced risk of developing any HPV-related cancer, including cancers of the anus, penis, mouth, and throat.

The study revealed that among the unvaccinated men, there were 57 cases of HPV-related cancers, primarily head and neck cancers, compared to only 26 cases among those who had received the vaccine. Study co-author Dr. Joseph Curry, a head and neck surgeon at the Sidney Kimmel Cancer Center in Philadelphia, believes that the full benefits of the vaccine will become evident within the next few decades, stating, "What we're showing here is an early wave of effect."

The results of this groundbreaking study, along with another study, will be released by the American Society of Clinical Oncology. The second study demonstrates a rise in vaccination rates, although males still lag behind females in receiving the HPV shots. HPV, or human papillomavirus, is a sexually transmitted infection that is highly prevalent. In most cases, HPV infections resolve on their own without symptoms or treatment. However, some infections can progress into cancer, with approximately 37,000 cases reported annually in the United States alone, according to the Centers for Disease Control and Prevention.

Since 2006, the HPV vaccine has been recommended for girls at the age of 11 or 12, while boys have been included in the vaccination recommendation since 2011. Catch-up shots are also recommended for individuals up to the age of 26 who have not been vaccinated.

The second study analyzed self- and parent-reported HPV vaccination rates in preteens and young adults using a large government survey. Between 2011 and 2020, vaccination rates among females increased from 38% to 49%, while rates among males rose significantly from 8% to 36%.

Dr. Danh Nguyen, co-author of the second study from the University of Texas Southwestern Medical Center in Dallas, acknowledges the progress made in increasing HPV vaccine uptake among young males over the past decade but emphasizes that there is still a gap compared to their female counterparts. Jasmin Tiro, a representative from the University of Chicago Medicine Comprehensive Cancer Center who was not involved in the research, urges parents to understand that HPV vaccines reduce the risk of cancer in both boys and girls. She also emphasizes that young men who have not yet been vaccinated can still benefit from getting the shots, stating, "It's really important that teenagers get exposed to the vaccine before they're exposed to the virus."

In conclusion, the latest research highlights the significant impact of the HPV vaccine in preventing HPV-related cancers in both men and women. However, the vaccination rates among boys in the United States remain lower compared to girls. Efforts need to be made to increase awareness and encourage vaccination among young males to ensure they receive the maximum benefits of the vaccine in preventing future HPV-related cancers.

The views expressed in this article do not reflect the opinion of ICARO, or any of its affiliates.

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