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Meningococcal B Vaccine and Meningococcal Carriage in Adolescents in Australia.
The New England Journal of Medicine ( IF 96.2 ) Pub Date : 2020-01-23 , DOI: 10.1056/nejmoa1900236
Helen S Marshall 1 , Mark McMillan 1 , Ann P Koehler 1 , Andrew Lawrence 1 , Thomas R Sullivan 1 , Jenny M MacLennan 1 , Martin C J Maiden 1 , Shamez N Ladhani 1 , Mary E Ramsay 1 , Caroline Trotter 1 , Ray Borrow 1 , Adam Finn 1 , Charlene M Kahler 1 , Jane Whelan 1 , Kumaran Vadivelu 1 , Peter Richmond 1
Affiliation  

BACKGROUND The meningococcal group B vaccine 4CMenB is a new, recombinant protein-based vaccine that is licensed to protect against invasive group B meningococcal disease. However, its role in preventing transmission and, therefore, inducing population (herd) protection is uncertain. METHODS We used cluster randomization to assign, according to school, students in years 10 to 12 (age, 15 to 18 years) in South Australia to receive 4CMenB vaccination either at baseline (intervention) or at 12 months (control). The primary outcome was oropharyngeal carriage of disease-causing Neisseria meningitidis (group A, B, C, W, X, or Y) in students in years 10 and 11, as identified by polymerase-chain-reaction assays for PorA (encoding porin protein A) and N. meningitidis genogroups. Secondary outcomes included carriage prevalence and acquisition of all N. meningitidis and individual disease-causing genogroups. Risk factors for carriage were assessed at baseline. RESULTS A total of 237 schools participated. During April through June 2017, a total of 24,269 students in years 10 and 11 and 10,220 students in year 12 were enrolled. At 12 months, there was no difference in the prevalence of carriage of disease-causing N. meningitidis between the vaccination group (2.55%; 326 of 12,746) and the control group (2.52%; 291 of 11,523) (adjusted odds ratio, 1.02; 95% confidence interval [CI], 0.80 to 1.31; P = 0.85). There were no significant differences in the secondary carriage outcomes. At baseline, the risk factors for carriage of disease-causing N. meningitidis included later year of schooling (adjusted odds ratio for year 12 vs. year 10, 2.75; 95% CI, 2.03 to 3.73), current upper respiratory tract infection (adjusted odds ratio, 1.35; 95% CI, 1.12 to 1.63), cigarette smoking (adjusted odds ratio, 1.91; 95% CI, 1.29 to 2.83), water-pipe smoking (adjusted odds ratio, 1.82; 95% CI, 1.30 to 2.54), attending pubs or clubs (adjusted odds ratio, 1.54; 95% CI, 1.28 to 1.86), and intimate kissing (adjusted odds ratio, 1.65; 95% CI, 1.33 to 2.05). No vaccine safety concerns were identified. CONCLUSIONS Among Australian adolescents, the 4CMenB vaccine had no discernible effect on the carriage of disease-causing meningococci, including group B. (Funded by GlaxoSmithKline; ClinicalTrials.gov number, NCT03089086.).

中文翻译:

澳大利亚青少年脑膜炎球菌B疫苗和脑膜炎球菌的运输。

背景技术脑膜炎球菌B组疫苗4CMenB是一种新型的,基于重组蛋白的疫苗,已获得许可,可预防侵袭性B组脑膜炎球菌疾病。但是,其在预防传播中的作用并因此在诱导种群(畜群)保护方面的作用尚不确定。方法我们根据学校的情况,使用聚类随机分配法对南澳大利亚州10至12岁(年龄15至18岁)的学生在基线(干预)或12个月(对照)接受4CMenB疫苗接种。主要结果是在10和11年级的学生中,由口咽携带致病性脑膜炎奈瑟氏球菌(A,B,C,W,X或Y组),通过PorA(编码孔蛋白)的聚合酶链反应分析确定A)和脑膜炎奈瑟氏球菌基因组。次要结果包括患病率和所有N的获得。脑膜炎和个体致病基因组。在基线评估运输风险因素。结果共有237所学校参加。在2017年4月至2017年6月期间,共招收了10年级和11年级的24,269名学生和12年级的10,220名学生。在第12个月时,疫苗接种组(2.55%; 12,746的326)和对照组(2.52%; 11,523的291)之间携带致病性脑膜炎奈瑟氏球菌的患病率没有差异(校正比值比为1.02) ; 95%置信区间[CI]为0.80至1.31; P = 0.85)。次要运输结局没有显着差异。在基线时,携带致病性脑膜炎奈瑟氏球菌的危险因素包括学年晚些时候(第12年与第10年的调整比值比为2.75; 95%CI为2.03至3.73),当前的上呼吸道感染(调整后的优势比,1.35; 95%CI,1.12至1.63),吸烟(调整后的优势比,1.91; 95%CI,1.29至2.83),水烟(调整后的优势比,1.82); 95%CI(1.30至2.54),参加酒吧或俱乐部(调整后的优势比为1.54; 95%CI为1.28至1.86)和亲密接吻(调整后的优势比为1.65; 95%CI为1.33至2.05)。没有发现疫苗安全问题。结论在澳大利亚青少年中,4CMenB疫苗对引起疾病的脑膜炎球菌(包括B组)的运输没有明显影响(由葛兰素史克公司资助; ClinicalTrials.gov编号,NCT03089086)。参加酒吧或俱乐部(调整后的优势比,1.54; 95%CI,1.28至1.86)和亲密接吻(调整后的优势比,1.65; 95%CI,1.33至2.05)。没有发现疫苗安全问题。结论在澳大利亚青少年中,4CMenB疫苗对引起疾病的脑膜炎球菌(包括B组)的运输没有明显影响(由葛兰素史克公司资助; ClinicalTrials.gov编号,NCT03089086)。参加酒吧或俱乐部(调整后的优势比,1.54; 95%CI,1.28至1.86)和亲密接吻(调整后的优势比,1.65; 95%CI,1.33至2.05)。没有发现疫苗安全问题。结论在澳大利亚青少年中,4CMenB疫苗对引起疾病的脑膜炎球菌(包括B组)的运输没有明显影响(由葛兰素史克公司资助; ClinicalTrials.gov编号,NCT03089086)。
更新日期:2020-01-23
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