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Merck’s human papillomavirus vaccine, Gardasil, effectively prevented precancerous cervical lesions and genital warts in women ages 24 through 45, and it prevented anal cancer and precancerous anal lesions in young men who’ve sex with guys, based on two studies released by the organization on Wednesday, the AP/Philadelphia Inquirer reports. Merck released the studies in conjunction using a European conference of physicians and researchers who specialize in cancer and genital infections.
Gardasil at the moment is approved for the prevention of cervical cancer and genital warts in girls and females ages nine through 26. Merck is utilizing the information from the women’s study to assistance its application for FDA approval to industry Gardasil for cervical cancer and genital wart prevention in females up to age 45. The company expects a ruling by June on the application to make use of the vaccine in older women (Johnson, AP/Philadelphia Inquirer, 2/17).
Gardasil helps block four with the most typical HPV strains — two types that cause 70% of cervical cancer circumstances and two other varieties that trigger 90% of genital warts cases (Women’s Well being Policy Report, 10/22/09). The vaccine also is approved to stop genital warts in boys and males ages nine by way of 26. Gardasil is amongst Merck’s 10 best-selling products, generating $1.12 billion in sales in 2009.
In late 2009, Merck, which funded each studies, provided FDA with more-detailed information from the women’s study. The agency previously rejected the company’s request to market the drug to older females and requested longer-term follow-up data. The newly released women’s study tracked participants for an further one and 1 half years. The study involved 3,819 females ages 24 by way of 45 from several nations who did not have cervical cancer, genital warts or HPV, the AP/Inquirer reports. Precancerous cervical lesions and genital warts did not take place in about 89% of the ladies who received 3 injections of Gardasil more than six months, compared with girls in a group that received a placebo shot. Twenty-three women receiving the placebo and 1 woman who was vaccinated created lesions or warts. All participants had been periodically examined for an average of about 4 years, the AP/Inquirer reports.
The second study located that 3 injections of Gardasil prevented precancerous anal lesions and anal cancer in about 77% of young guys. Whilst no males in either the Gardasil group or perhaps a placebo group created anal cancer, 24 who received the placebo and five who were vaccinated created precancerous lesions. The males were tracked for an average of three years right after the very first shot. According to Merck spokesperson Pam Eisele, the firm plans to submit data on anal cancer in men to FDA and apply for advertising approval (AP/Philadelphia Inquirer, 2/17).
Reprinted with kind permission from http://www.nationalpartnership.org. It is possible to view the whole Daily Women’s Health Policy Report, search the archives, or sign up for e-mail delivery here. The Day-to-day Women’s Health Policy Report is a free service with the National Partnership for Ladies & Families, published by The Advisory Board Company.
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View drug data on Gardasil.