Disease Burden Associated with All Infants in Their First RSV Season in the UK: A Static Model of Universal Immunization with Nirsevimab Against RSV-Related Outcomes.

IF 4.7 3区 医学 Q1 INFECTIOUS DISEASES Infectious Diseases and Therapy Pub Date : 2024-10-01 Epub Date: 2024-09-05 DOI:10.1007/s40121-024-01037-7
Alexia Kieffer, Matthieu Beuvelet, Gerald Moncayo, Mersha Chetty, Aditya Sardesai, Robert Musci, Richard Hudson
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Abstract

Introduction: Respiratory syncytial virus (RSV) leads to significant morbidity in newborn infants in the United Kingdom (UK). Nirsevimab, a long-acting monoclonal antibody, received approval from the European Medicines Agency and has been licensed by the Medicines and Healthcare products Regulatory Agency for preventing RSV lower respiratory tract disease (LRTD) in neonates and infants during their first RSV season. The objective of this study was to assess the potential impact of nirsevimab on RSV-associated LRTDs, related costs, and loss of quality-adjusted life years (QALYs) in infants experiencing their first RSV season.

Methods: The impact of administering nirsevimab across all infant populations compared to palivizumab in the high-risk palivizumab-eligible population was assessed via a static decision-analytic model specified for a UK birth cohort experiencing their first RSV season. The RSV-related health events of interest included primary care (PC), accident and emergency (A&E) visits, hospitalizations [including hospitalizations alone and those resulting in intensive care unit (ICU) admissions], recurrent wheezing in infants who were previously hospitalized, and all-cause LRTD hospitalizations.

Results: Under the current standard of practice (SoP), RSV was estimated to result in 329,425 RSV LRTDs annually, including 24,381 hospitalizations and ICU admissions, representing £117.8 million (2024 GBP) in costs. Comparatively, universal immunization of all infants with nirsevimab could avoid 198,886 RSV LRTDs, including 16,657 hospitalizations and ICU admissions, resulting in savings of £77.2 million in RSV treatment costs. Considering the impact on all-cause LRTD of a universal immunization strategy, nirsevimab could be valued between £243 and £274, assuming willingness-to-pay (WTP) thresholds of £20,000 and £30,000 per QALY saved, respectively.

Conclusions: This analysis demonstrated that the health and economic burden of RSV would be substantially reduced in all infants experiencing their first RSV season in the UK (including term, preterm, and palivizumab-eligible infants) as a result of a universal immunization strategy with nirsevimab.

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英国所有婴儿在第一个 RSV 季节的疾病负担:针对 RSV 相关结果的 Nirsevimab 普遍免疫静态模型。
导言:在英国,呼吸道合胞病毒(RSV)导致新生儿严重发病。Nirsevimab 是一种长效单克隆抗体,已获得欧洲药品管理局批准,并获得药品和保健品管理局许可,用于预防新生儿和婴儿在首个 RSV 流行季节的 RSV 下呼吸道疾病 (LRTD)。本研究的目的是评估 nirsevimab 对 RSV 相关 LRTD、相关成本和婴儿 RSV 首季质量调整生命年 (QALY) 损失的潜在影响:通过一个静态决策分析模型,评估了在所有婴儿人群中使用尼舍单抗与在符合帕利珠单抗条件的高风险人群中使用帕利珠单抗相比所产生的影响。与RSV相关的健康事件包括初级保健(PC)、事故和急诊(A&E)就诊、住院[包括单独住院和导致重症监护室(ICU)住院的住院]、曾住院婴儿的复发性喘息以及全因LRTD住院:根据目前的实践标准(SoP),RSV 估计每年会导致 329,425 例 RSV LRTD,包括 24,381 例住院和入住重症监护室,成本为 1.178 亿英镑(2024 年英镑)。相比之下,对所有婴儿普遍接种尼舍单抗可避免 198,886 例 RSV LRTD,包括 16,657 例住院和入住 ICU,从而节省 RSV 治疗费用 7,720 万英镑。考虑到普遍免疫策略对全因LRTD的影响,假定每个QALY节省的意愿支付(WTP)阈值分别为2万英镑和3万英镑,则nirsevimab的价值可在243英镑和274英镑之间:这项分析表明,在英国,所有首次经历 RSV 季节的婴儿(包括足月儿、早产儿和符合帕利珠单抗条件的婴儿)都将因使用 nirsevimab 的普遍免疫策略而大大减轻 RSV 带来的健康和经济负担。
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来源期刊
Infectious Diseases and Therapy
Infectious Diseases and Therapy Medicine-Microbiology (medical)
CiteScore
8.60
自引率
1.90%
发文量
136
审稿时长
6 weeks
期刊介绍: Infectious Diseases and Therapy is an international, open access, peer-reviewed, rapid publication journal dedicated to the publication of high-quality clinical (all phases), observational, real-world, and health outcomes research around the discovery, development, and use of infectious disease therapies and interventions, including vaccines and devices. Studies relating to diagnostic products and diagnosis, pharmacoeconomics, public health, epidemiology, quality of life, and patient care, management, and education are also encouraged. Areas of focus include, but are not limited to, bacterial and fungal infections, viral infections (including HIV/AIDS and hepatitis), parasitological diseases, tuberculosis and other mycobacterial diseases, vaccinations and other interventions, and drug-resistance, chronic infections, epidemiology and tropical, emergent, pediatric, dermal and sexually-transmitted diseases.
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