随机化,开放式的第3期研究评估了RSVPreF3OA的免疫性,安全性和反应性,与65岁或以上的成年人同时服用FLU-QIV-HD
Robert Buynak1, Kevin Cannon2, David DeAtkine3
1Velocity Clinical Research, Valparaiso, IN, USA.
Infectious diseases and therapy
|July 9, 2024
概括
在老年人中,同时使用RSVPreF3 OA疫苗和FLU-QIV-HD疫苗,与连续接种疫苗一样有效. 这种综合方法证明了可接受的安全性和反应性,简化了免疫接种计划.
科学领域:
- 免疫学 免疫学 免疫学
- 疫苗学 疫苗学 疫苗学
- 老年病的医生 老年病的医生
背景情况:
- 由于免疫衰老和并发性疾病,呼吸道同胞性病毒 (RSV) 和流感对老年人构成重大健康风险.
- 这些感染往往季节性地重叠,增加了这个脆弱人口的负担.
- 最近,RSV预注射F3老年人 (RSVPreF3 OA) 疫苗已被批准用于60岁及以上的成年人.
研究的目的:
- 在65岁及以上的成年人中,评估RSVPreF3 OA疫苗与高剂量流感疫苗 (FLU-QIV-HD) 联合使用的免疫性和安全性.
- 为了比较同时使用和接种疫苗的顺序.
- 评估是否同时使用疫苗会影响疫苗的免疫反应或安全性.
主要方法:
- 一项开放的,随机的,受控的第三期研究,涉及1029名65岁及以上的成年人.
- 参与者随机 (1:1) 接受RSVPreF3 OA和FLU-QIV-HD同时 (co-ad组) 或顺序 (对照组).
- 免疫原性在接种疫苗后长达1个月被评估,安全性/反应原性在接种疫苗后长达6个月被评估. 非劣势被定义为GMT比率上限≤1.5.5.
主要成果:
- 与顺序组相比,同时使用组在RSV-A和RSV-B的中和抗体标位和四种流感菌株的血液凝结抑制标位上表现出非劣势.
- 两组之间没有观察到局部或全身不良事件,严重不良事件或潜在的免疫媒介疾病的显著差异.
- 在两组中,注射部位疼痛和肌痛是最常见的被要求的不良事件.
结论:
- 在65岁及以上的成年人中,RSVPreF3 OA和FLU-QIV-HD的同时使用在免疫学上不劣于连续使用.
- 联合疫苗接种方法显示出临床上可接受的安全性和反应性概况.
- 这支持了老年人针对RSV和流感的简化免疫策略的潜力.
关键词:
高剂量四价流感疫苗 (FLU-QIV-HD) 是一种高剂量四价流感疫苗.免疫性 免疫性 免疫性年龄较大的成年人.在RSV前输蛋白F3老年人 (RSVPreF3 OA) 疫苗疫苗.随机对照试验是随机对照试验.反应性是反应性的.呼吸道同胞性病毒 (RSV)安全的安全的安全的安全的安全.更多相关视频
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