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Jennifer S. Smith University of North Carolina JenniferS@unc.edu Cervical Cancer-Free America Initiative Overview Changing the Dialogue about Cervical Cancer Prevention
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Carolina Framework for Action against Cervical Cancer There are four key challenges to eradication of cervical cancer that a comprehensive public health strategy can address: HPV infection Lack of screening Screening errors Not receiving follow-up care for abnormal Pap smear results Brewer and Smith
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HPV virus-like particles (VLPs): Basis of HPV vaccination For Prevention of Cervical Cancer: Persistent HPV 16/18 infections HPV 16/18 abnormal pap smear
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HPV Types by Cervical Status: Potential Impact of 16/18 Vaccine ~70% ~50% ~14-25% HPV Type Specific Prevalence in All Cases ICC data: Smith et al. Int Journal of Cancer, 2007, 121 (3), 621-32. HSIL data: Smith et al. Int Journal of Cancer, 2007, 121 (3), 621-32. LSIL data: Clifford et al. Cancer Epidemiol Biomarkers. 2005;14:1157-1164
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Optimal to Vaccinate Adolescent Girls before Sexual Debut 1- Hypothetical distribution of HPV prevalence in EU modeled after data available in the US and Canada 35 30 25 20 15 10 5 Age (years) % Estimated start of sexual life 051015202530354045505560657075 Frequency Papillomavirus Infection (all types)
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Prophylactic HPV Vaccine Approved for Adolescent Girls VaccineHPV TypesFDA approvedAge range Bivalent16/18 200910-25* yrs Quadrivalent6/11/16/18 20069-26* yrs *Routine vaccination for 11-12 year old females
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Females aged 13-17 years US 2009: 44.3% (42.4%-46.1%) for 1+ dose 26.7% (25.2%-28.3%) for 3 doses completed August 20, 2010 / 59(32);1018-1023 HPV Vaccine Coverage National Immunization Survey-Teen
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Continued Need for Screening Following HPV Vaccination ~70% ~50% ~14-25% HPV Type Specific Prevalence in All Cases ICC data: Smith et al. Int Journal of Cancer, 2007, 121 (3), 621-32. HSIL data: Smith et al. Int Journal of Cancer, 2007, 121 (3), 621-32. LSIL data: Clifford et al. Cancer Epidemiol Biomarkers. 2005;14:1157-1164
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Decrease in Cervical Cancer Mortality Following Introduction of Pap Test in the United States 1. OBGYN.net. Available at: http://www.obgyn.net/displayarticle.asp?page=/yw/articles/braun_PAP 2. American Cancer Society. Cancer Facts & Figures. Available at: http://www.cancer.org/
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Sensitivity of Cervical Cancer Screening Methods Screening method Endpoint ≥CIN 2 Sensitivity % (95% CI) Pap smear only 71 (61-81) HPV DNA test only 95 (89-99) Pap smear with HPV DNA test 100 (96-100) Naucler P, et al. JNCI. 2009;101:88-99.
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30-64 Years 21-29 Years <21 Years No routine Pap smear No routine Pap smear Pap Smear Guidelines: 2009 American College of Obstetrics and Gynecology Pap smear every 3 years..if patient has had 3 or more normal Pap results in a row, no abnormal test results in 10 years, and lacks other risk factors. * Pap smear every 3 years..if patient has had 3 or more normal Pap results in a row, no abnormal test results in 10 years, and lacks other risk factors. * * History of cervical cancer or DES in utero, HIV positive, immunosuppression, or other risk factors for acquiring STDs. Bi-annual Pap smear ACOG Practice Bulletin No. 109. Obstet Gynecol. 2009;114:1409-20. ≥65 Years Consider discontinuing Pap smear at 65 or 70 years..if patient has had 3 or more normal Pap results in a row, no abnormal test results in 10 years, and lacks other risk factors. * Consider discontinuing Pap smear at 65 or 70 years..if patient has had 3 or more normal Pap results in a row, no abnormal test results in 10 years, and lacks other risk factors. *
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We can Change the Dialogue We can End Cervical Cancer Policy Makers Vaccination Screening We can Effect Real Change at the State-Level
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ALASKA HAWAII DC Age-adjusted Death Rates per 100,000 Quantile Interval 3.0 – 3.7 2.8 – 2.9 2.5 – 2.7 2.2 – 2.4 1.9 – 2.1 1.5 – 1.8 US Rate 2.5 Age-adjusted Mortality Rates per 100,000, 2001-2005 SEER Data SEER = Surveillance, Epidemiology, and End Results 1. Surveillance, Epidemiology and End Results (SEER) Cancer Stats NCI, 2001-2005. California Indiana Texas North Carolina Alabama Kentucky
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Cervical Cancer Free America Common State Goals To increase HPV vaccination among young female adolescents ages 10-18 To increase cervical cancer screening among women ages 25-70 who have not been screened in the last four years.
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Cervical Cancer Free California California Medical Association Foundation Sara Cook, Carol Lee, Elissa Maas
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Cervical Cancer Free Alabama University of Alabama Mona Fouad, Warner Huh, Theresa Wynn
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Cervical Cancer Free Kentucky University of Kentucky Baretta Casey, Rick Crosby, Robin Vanderpool
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Cervical Cancer Free Indiana University of Indiana Gregory Zimet Kirk Forbes
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Cervical Cancer Free North Carolina University of North Carolina Noel Brewer, Pamela Entzel, Jennifer Smith
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How Can We Work Actively Together? January: Cervical Cancer Awareness Month Cervical Cancer Awareness Month is right around the corner. is right around the corner.
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