一个HPV疫苗剂量对两个剂量的非劣质性
Aimée R Kreimer1, Carolina Porras2, Danping Liu1
1Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD.
The New England journal of medicine
|December 3, 2025
概括
一次剂量的人类乳头瘤病毒 (HPV) 疫苗提供了对HPV类型16或18的保护,证明与两剂方案不劣. 这一发现支持简化HPV疫苗接种计划,以改善全球接种.
科学领域:
- 免疫学 免疫学 免疫学
- 疫苗学 疫苗学 疫苗学
- 公共卫生 公共卫生
背景情况:
- 多剂量人类乳头瘤病毒 (HPV) 疫苗接种是有效的,但在全球范围内未得到充分利用.
- 新出现的证据表明,单剂量HPV疫苗接种可能具有保护作用.
- 关于单剂与两剂HPV疫苗的比较保护存在不确定性.
研究的目的:
- 为了评估单剂HPV疫苗剂量与两剂相比的非劣质性.
- 评估单剂方案中双价和非价HPV疫苗的疗效.
- 为了比较单剂量和多剂量组之间的HPV16或HPV18感染率.
主要方法:
- 一项随机试验涉及20,330名12至16岁的女孩,她们被分配给一剂或两剂双价或非价HPV疫苗.
- 主要终点:从12个月到60个月的新型HPV16或18型感染,持续至少6个月.
- 通过将试验参与者与非随机调查组进行比较来评估疫苗的有效性.
主要成果:
- 一剂疫苗在预防HPV16或HPV18感染方面不低于两剂.
- 在所有四个试验组中,疫苗的有效性至少为97%.
- 在研究期间,没有发现安全问题.
结论:
- 单剂量双价或非价HPV疫苗可以提供对HPV16/18感染的保护.
- 单剂量HPV疫苗方案被发现与两剂量方案相比没有劣势.
- 这些发现支持了简化HPV疫苗接种策略的潜力.
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