Prospects for Cervical Cancer Prevention by Human Papillomavirus Vaccination

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Abstract
Recent clinical trials in young women have shown that subunit vaccines based on human papillomavirus (HPV) 16 and HPV18 L1 virus-like particles are ∼100% effective in short-term prevention of persistent cervical infection and of cervical dysplasia by these major oncogenic types. These remarkable efficacy results, together with an excellent safety profile in thousands of vaccinated women, have led to the HPV prophylactic vaccine from one manufacturer having now been licensed for commercial use and the expectation that the vaccine from a second manufacturer will be approved in the near future. These vaccines seem to have great potential for reducing cervical cancer deaths and treatments to remove premalignant cervical lesions. However, before their public health effect can be fully estimated, several issues must be addressed. These include duration of protection, degree of cross-protection against nonvaccine types, efficacy in men, and vaccine availability to economically disadvantaged women. (Cancer Res 2006; 66(21): 10229-32)