This study aimed to understand and appraise the approaches taken to handle the complexities of a multisystem disease in published decision-analytic model-based economic evaluations of treatments for SLE. A systematic review was conducted to identify all published model-based economic evaluations of treatments for SLE. Treatments that were considered for inclusion comprised antimalarial agents, immunosuppressive therapies, and biologics including rituximab and belimumab. Medline and Embase were searched electronically from inception until September 2018. Titles and abstracts were screened against the inclusion criteria by two reviewers; agreement between reviewers was calculated according to Cohen’s κ. Predefined data extraction tables were used to extract the key features, structural assumptions and data sources of input parameters from each economic evaluation. The completeness of reporting for the methods of each economic evaluation was appraised according to the Consolidated Health Economic Evaluation Reporting Standards (CHEERS) statement. Six decision-analytic model-based economic evaluations were identified. The studies included azathioprine (n=4), mycophenolate mofetil (n=3), cyclophosphamide (n=2) and belimumab (n=1) as relevant comparator treatments; no economic evaluation estimated the relative cost-effectiveness of rituximab. Six items of the CHEERS statement were reported incompletely across the sample: target population, choice of comparators, measurement and valuation of preference-based outcomes, estimation of resource use and costs, choice of model, and the characterisation of heterogeneity. Complexity in the diagnosis, management and progression of disease can make decision-analytic model-based economic evaluations of treatments for SLE a challenge to undertake. The findings from this study can be used to improve the relevance of model-based economic evaluations in SLE and as an agenda for research to inform future health technology assessment and decision-making.
- systemic lupus erythematosus
- economic evaluations/burden of disease
- systematic review
- decision-analytic model
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Contributors All authors made substantial contributions to the conception of the study. SG and KP conducted data collection and analysis. SG wrote the manuscript and all authors revised it critically for important intellectual content. All authors approved the final version to be published.
Funding This research was funded by the Medical Research Council as part of the MAximizing Sle ThERapeutic PotentiaL by Application of Novel and Stratified approaches (MASTERPLANS) consortium (MR/M01665X/1) and Lupus UK. IB is also supported by the NIHR Manchester Biomedical Research Centre and Versus Arthritis. The views expressed are those of the authors and not necessarily those of the NHS, the NIHR or the Department of Health and Social Care.
Competing interests SG and KP have no competing interests to declare. IB reports grants and personal fees from GSK, personal fees from Eli Lilly, Merck Serono, Medimmune, Astra Zeneca, ILTOO, and grants from Genzyme Sanofi outside the submitted work.
Patient and public involvement statement Thank you to the patient and public partners who were involved in the MASTERPLANS consortium
Patient consent for publication Not required.
Provenance and peer review Not commissioned; externally peer reviewed.
Data availability statement All data relevant to the study are included in the article or uploaded as supplementary information
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