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Vol. 18. Issue 2.
Pages 36-42 (July - December 2017)
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Vol. 18. Issue 2.
Pages 36-42 (July - December 2017)
Original article
Estimating the epidemiological burden of pathologies associated with 9 human papillomavirus genotypes in Spain: Literature review
Estimación de la carga epidemiológica de patologías asociadas a 9 genotipos del virus del papiloma humano en España: revisión de la literatura
N. Lópeza, E. Viaynab, M. San-Martina, N. Perulerob,
Corresponding author
nperulero@es.imshealth.com

Corresponding author.
a Departamento Médico de MSD, Madrid, Spain
b Health Economics and Outcomes Research, Real World Insights, QuintilesIMS, Barcelona, Spain
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Tables (2)
Table 1. Summary of data from the literature review on the prevalence of HPV genotypes.
Table 2. Attributable fraction of precancerous lesions and cervical, vulval and vaginal cancer estimated from the literature review on studies carried out in Spain and comparison with data from international studies.
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Abstract
Objective

To evaluate the epidemiology related to human papillomavirus (HPV) infection in Spain, attributable to the genotypes targeted by the quadri- and nonavalent vaccines.

Methods

Medline, Embase and Cochrane were searched in order to identify studies of prevalence of genotypes targeted by the quadri- and nonavalent vaccines in genital warts, precancerous lesions and cancer of cervix, vulva, vagina, anus and penis and head and neck cancer. Fraction attributable (FA) to HPV infection and to genotypes targeted by both vaccines was estimated for precancerous lesions of cervix and cancer of cervix, vulva, vagina and penis following the Insinga and Wentzensen methodology.

Results

Out of the 1922 identified references, 34 publications on genotypes prevalence were included. Contribution of the 5 additional genotypes targeted by the nonavalent vaccine ranged from 8.6% for penile cancer to 23.2% for cervical precancerous lesions. The 88.5% of the cases for cancer of cervix would be attributable to the 9 genotypes in the nonavalent vaccine. For cancer of vulva and vagina, the percentage of HPV+ cases attributable to genotypes in the nonavalent vaccine would be 87.5% and 89.2% respectively. Only two studies were identified about genotypes of HPV in head and neck cancer, which did not provide enough information to estimate the FA of the genotypes.

Conclusion

The 9 genotypes included in the nonavalent vaccine are responsible at least of the cancer and precancerous lesions related to HPV infection in our country. These diseases represent an important burden for the National Health Service.

Keywords:
Burden of disease
Human papillomavirus
Nonavalent vaccine
Precancerous lesions
Genital warts
Cancer
Resumen
Objetivo

Evaluar la epidemiología asociada al virus del papiloma humano (VPH) en España, atribuible a los genotipos incluidos en las vacunas tetra y nonavalente.

Métodos

Se realizó una revisión bibliográfica de Medline, Embase y Cochrane para identificar estudios de prevalencia de los genotipos incluidos en las vacunas tetra y nonavalente, en verrugas genitales, lesiones precancerosas y cáncer de cérvix, vulva, vagina, ano, pene y cáncer de cabeza y cuello. Se estimó la fracción atribuible (FA) a los genotipos de ambas vacunas en lesiones precancerosas de cérvix y cáncer de cérvix, vulva, vagina y pene siguiendo la metodología de Insinga y Wentzensen.

Resultados

De las 1.922 referencias identificadas, se incluyeron en la revisión 34 sobre prevalencia de genotipos. La contribución de los 5 genotipos adicionales de la vacuna nonavalente oscilaba entre el 8,6% para cáncer de pene y el 23,2% para lesiones precancerosas de cérvix. Para cáncer de cérvix, el 88,5% de los casos sería atribuible a los 9 genotipos de la vacuna nonavalente. Para cáncer de vulva y vaginal, el porcentaje de lesiones VPH+ atribuible a los genotipos de la vacuna nonavalente sería del 87,5% y el 89,2%, respectivamente. Solo se identificaron 2 estudios de prevalencia de los genotipos de VPH en cáncer de cabeza y cuello, insuficientes para estimar la FA de los genotipos.

Conclusión

Los 9 tipos incluidos en la vacuna nonavalente son responsables de la mayor parte de los cánceres y lesiones precancerosas asociadas a VPH en nuestro país, enfermedades que representan una carga importante para el Sistema Nacional de Salud.

Palabras clave:
Carga de enfermedad
Virus del papiloma humano
Vacuna nonavalente
Lesiones precancerosas
Verrugas genitales
Cáncer

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