The Efficacy of Human Papillomavirus Prophylactic Vaccination after Conization in Preventing Cervical Intraepithelial Neoplasia Recurrence: A Prospective Observational Study in China
European Journal of Obstetrics, Gynecology, and Reproductive Biology(2023)
摘要
High-risk human papillomavirus (hrHPV) infection is the cause of most cervical cancers. Since therapeutic vaccines are not yet available for clinical practice, the administration of HPV prophylactic vaccines in patients with cervical intraepithelial neoplasia (CIN) arouses great interest and its value after excisional treatment of CIN remains unclear. We conducted this prospective cohort study to evaluate the impact of HPV prophylactic vaccination on preventing women from subsequent infection and cervical lesions after excision treatment. 148 patients after loop electrosurgical excision procedure (LEEP) for CIN2+ disease received HPV prophylactic vaccination (6/11/16/18 vaccine, Gardasil (R), Merck) after surgery (V-group) and 273 didn't get vaccination (NV-group). The HPV infection rates at the first and second year after LEEP were significantly lower in the Vgroup than that in NV-group (P = 0.049 and P = 0.026). CIN2+ recurrence was observed in 29 cases (10.62 %) in the NV-group and 2 cases (2.03 %) in the V-group. Logistic regression analysis showed that the HPV16/18 infection, the CIN3 pathology after LEEP and no vaccination after LEEP were significant risk factors of recurrence. Patients without HPV vaccination had a higher CIN2+ recurrence rate (OR = 12.35, 95 % CI 1.919-79.492, P = 0.008). Our study showed the quadrivalent prophylactic HPV vaccination after LEEP had a significantly protective role in the prevention of high-grade squamous intraepithelial lesion recurrence. Further randomized, controlled trials are required in elucidating the efficacy of the prophylactic HPV vaccines using shortly after LEEP in patients with CIN disease.
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关键词
Human papillomavirus,Cervical intraepithelial neoplasia,Cohort study,Vaccine,LEEP
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