FDA approval for Cervarix and Gardasil recommended by committees

Washington, D.C.

Last week, the FDA received recommendations to approve two vaccines against the human papillomavirus (HPV) that causes cervical cancer.

The vaccine Cervarix is licensed in nearly 100 countries worldwide and approved by the World Health Organization, but it has been awaiting FDA approval since its initial application in 2007 raised concerns about possible side effects. Though structured as a bivalent vaccine to protect only against HPV types 16 and 18, Cervarix has been shown in a recent trial to provide cross-protection against three other HPV types and may also produce a higher degree of protection against precancerous lesions known as grade II cervical intraepithelial neoplasias (CIN2+) than the vaccine Gardasil.

Gardasil has been approved for cervical cancer protection in females aged 9 to 26 since 2006, and targets two additional HPV types that are linked to genital warts, which can occur in males, as well. A second expert committee recommended FDA approval be extended to males in that same age group. The clinical trials on which the committee based its recommendation showed that Gardasil was 89 percent effective in preventing genital warts and had no side effects, though it was less effective in those who had already been exposed to HPV.

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