Cost-effectiveness of a short-course antibiotic treatment strategy for the treatment of ventilator-associated pneumonia: an economic analysis of the REGARD-VAP trial.
Yiying Cai, Suchart Booraphun, Andrew Yunkai Li, Gyan Kayastha, Paul Anantharajah Tambyah, Ben S Cooper, Nicholas Graves, Yin Mo
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Abstract
Background: The REGARD-VAP trial showed that individualised shortened antibiotic therapy was non-inferior to usual care for mortality and pneumonia recurrence in patients with ventilator-associated pneumonia (VAP). We aimed to assess the cost-effectiveness of an individualised shortened antibiotic therapy approach in this planned economic analysis.
Methods: REGARD-VAP was a phase 4, multicentre, open-label, randomised trial to assess a short-course antibiotic treatment strategy for treatment of VAP. In this planned economic analysis, we fitted a decision tree with data from the REGARD-VAP trial to estimate the cost-effectiveness of individualised short-course therapy for VAP, compared to usual care from the health system perspective, in Nepal, Singapore, and Thailand. Incremental cost-effectiveness ratios (ICERs) and incremental net monetary benefits with 95% uncertainty intervals (UIs) were reported against relevant willingness-to-pay thresholds. Parameter uncertainties were evaluated using scenario analyses. A value of information analysis was conducted.
Findings: Adopting individualised short-course therapy was cost-effective for Nepal (ICER=US$1086; percentage cost-effectiveness=50·3%), Singapore (ICER=-$6069; percentage cost-effectiveness=55·2%), and Thailand (ICER=$263; percentage cost-effectiveness=60·5%). The associated incremental net monetary benefits were $41 (95% UI -2308 to 2390) in Nepal, $5156 (-45 805 to 56 117) in Singapore, and $804 (-6245 to 7852) in Thailand. Value of information analysis showed that reducing uncertainties for mortality probabilities, bed-day costs, and variable costs were valuable for decision making.
Interpretation: We found that an individualised short-course antibiotics strategy in patients with VAP is likely to be cost-effective in high-income, middle-income, and low-income settings, although with evident uncertainty. Considered alongside the positive externalities of reduced antimicrobial use, our findings foster confidence in policy makers contemplating adoption of short-course antibiotics.
Funding: UK Medical Research Council, Singapore National Medical Research Council, and Wellcome Trust.
期刊介绍：
The Lancet Global Health is an online publication that releases monthly open access (subscription-free) issues.Each issue includes original research, commentary, and correspondence.In addition to this, the publication also provides regular blog posts.
The main focus of The Lancet Global Health is on disadvantaged populations, which can include both entire economic regions and marginalized groups within prosperous nations.The publication prefers to cover topics related to reproductive, maternal, neonatal, child, and adolescent health; infectious diseases (including neglected tropical diseases); non-communicable diseases; mental health; the global health workforce; health systems; surgery; and health policy.
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