Prevention and control of neoplasms associated with HPV in high-risk groups in Mexico City: The Condesa Study

Salud Publica Mex. 2018 Nov-Dic;60(6):703-712. doi: 10.21149/10034.

Abstract

Objective: To evaluate the effectiveness of a combined strategy of human papillomavirus virus (HPV) vaccination and high-risk HPV screening to reduce the occurrence of anogenital and oropharyngeal neoplasms among men who have sex with men, people with HIV, homeless people, transgender women, female sex workers and rape victims.

Materials and methods: This mixed methods study evaluates the effectiveness of a combined vaccination-screening strategy to reduce HPV prevalence/incidence and occurrence of cervical intraepithelial neoplasms grade 2+ and/or anal intraepithelial neoplasms grade 2+, using Kaplan-Meier. The time-to-event method will evaluate time from positive results for specific anogenital HPV to incidence of anogenital lesions containing that HPV type.

Results: People vaccinated against HPV and screened for HPV as a primary test will have lower prevalence and incidence of HPV infection and consequently lower frequency of HPV-related anogenital and oropharyngeal lesions.

Conclusions: Thisstudy will generate scientific evidence on effectiveness of a combined vaccination-screening strategy to reduce the burden of HPV-associated neoplasms.

Objetivo: Evaluar la efectividad de una estrategia combinada de vacunación contra el virus de papiloma humano (VPH) y tamizaje de VPH de alto riesgo para reducir neoplasias anogenitales y orofaringeas entre hombres que tienen sexo con hombres, personas con VIH, personas en situación de calle, mujeres transgénero, trabajadoras sexuales y víctimas de violación.

Material y métodos: Este estudio evaluará la efectividad de una estrategia combinada de vacunación y tamizaje para reducir la ocurrencia de neoplasias intraepiteliales cervicales grado 2+ o neoplasias intraepiteliales anales grado NIA2+ utilizando Kaplan-Meier. Se evaluará tiempo de resultados positivos para tipos específicos deVPH anogenital a incidencia de lesiones anogenitales con ese tipo de VPH.

Resultados: Las personas vacunadas contra VPH y con tamizaje de VPH tendrán menor prevalencia e incidencia de infecciones por VPH y por ende menor frecuencia de lesiones anogenitales y orofaringeas relacionadas con VPH.

Conclusiones: Este estudio generará evidencia científica sobre la efectividad de una estrategia combinada de vacunación y tamizaje para reducir la carga de neoplasias asociadas al VPH.

Keywords: Condesa Study; HPV vaccines; Mexico; cancer screening.

Publication types

  • Clinical Trial

MeSH terms

  • Adult
  • Anus Neoplasms / epidemiology
  • Anus Neoplasms / prevention & control*
  • Anus Neoplasms / virology
  • Carcinoma in Situ / epidemiology
  • Carcinoma in Situ / prevention & control*
  • Carcinoma in Situ / virology
  • Comorbidity
  • Crime Victims
  • Early Detection of Cancer*
  • Female
  • HIV Infections / epidemiology
  • Humans
  • Immunization Programs*
  • Male
  • Mexico / epidemiology
  • Mouth Neoplasms / prevention & control*
  • Mouth Neoplasms / virology
  • Papillomavirus Infections / epidemiology*
  • Papillomavirus Vaccines
  • Program Evaluation
  • Risk
  • Sexual Behavior
  • Sexual and Gender Minorities
  • Social Marginalization
  • Urban Population
  • Uterine Cervical Dysplasia / epidemiology
  • Uterine Cervical Dysplasia / prevention & control
  • Uterine Cervical Dysplasia / virology
  • Uterine Cervical Neoplasms / epidemiology
  • Uterine Cervical Neoplasms / prevention & control*
  • Uterine Cervical Neoplasms / virology
  • Vaccination / statistics & numerical data
  • Vulnerable Populations*
  • Young Adult

Substances

  • Papillomavirus Vaccines