HPV Vaccine May Be Effective In Young Men
Quadrivalent HPV vaccine was found to prevent infection with HPV-6, 11, 16, and 18 and the development of related external genital lesions in males 16 to 26 years of age.
HPV vaccination in males has been found to have the potential to significantly reduce HPV-associated anogenital infection and disease. The vaccine reduced the occurrence of external genital lesions by 60%.The result of the study that involved 4065 healthy boys and men 16 to 26 years of age, from 18 countries was published in the New England Journal of Medicine.
Infection with human papillomavirus (HPV) is common in sexually active individuals, especially in developing countries. It is the causative agent of anogenital warts (condylomata acuminata) in both sexes. In males HPV causes cancers of the penis, anus, and oropharynx. The rate of genital infection in males is similar to that in females. The prevalence in males is however because of the lower immune response to natural infection.
There are over 100 types of papillomaviruses (HPVs) that infect humans. The most common types that infect the anogenital tract are HPV types 6, 11, 16, and 18 (HPV-6, HPV-11, HPV-16, and HPV-18). The quadrivalent vaccine is active against these four types.
Quadrivalent HPV vaccine was found to prevent infection with HPV-6, 11, 16, and 18 and the development of related external genital lesions in males 16 to 26 years of age. This result of the randomized controlled trial favors prophylactic administration of HPV vaccine. 36 external genital lesions were seen in the vaccine group as compared with 89 in the placebo group.
The rates of adverse events in studies were low among boys and men. This may be due to greater muscle mass at the injection site, a reluctance to report events perceived as minor, or both.
The limitations of the trial include the narrow age range of the subjects and the relatively short follow-up period. More extensive studies are hence solicited.
Reference: the New England Journal of Medicine.
Source: Medindia.
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Dr. Nithin Jayan. (2011, February 08). HPV Vaccine May Be Effective In Young Men. Medindia. Retrieved on Nov 29, 2024 from https://www.medindia.net/news/healthinfocus/hpv-vaccine-may-be-effective-in-young-men-80575-1.htm.
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Dr. Nithin Jayan. "HPV Vaccine May Be Effective In Young Men". Medindia. Nov 29, 2024. <https://www.medindia.net/news/healthinfocus/hpv-vaccine-may-be-effective-in-young-men-80575-1.htm>.
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Dr. Nithin Jayan. "HPV Vaccine May Be Effective In Young Men". Medindia. https://www.medindia.net/news/healthinfocus/hpv-vaccine-may-be-effective-in-young-men-80575-1.htm. (accessed Nov 29, 2024).
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Dr. Nithin Jayan. 2011. HPV Vaccine May Be Effective In Young Men. Medindia, viewed Nov 29, 2024, https://www.medindia.net/news/healthinfocus/hpv-vaccine-may-be-effective-in-young-men-80575-1.htm.