期刊
VALUE IN HEALTH
卷 26, 期 4, 页码 519-527出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jval.2023.01.018
关键词
benefit-risk; discrete choice experiment; multicriteria decision analysis; quantitative benefit-risk assessment; stochastic multicriteria acceptability analysis
This study demonstrates the application of ISPOR's quantitative benefit-risk assessment (qBRA) recommendations in evaluating the benefit-risk profile of brodalumab. The results suggest that brodalumab 210 mg had a more favorable benefit-risk profile compared to ustekinumab and placebo.
Objectives: Quantitative benefit-risk assessment (qBRA) is a structured process to evaluate the benefit-risk balance of treatment options to support decision making. The ISPOR qBRA Task Force was recently established to provide recommendations for the design, conduct, and reporting of qBRA. This report presents a hypothetical case study illustrating how to apply the Task Force's recommendations toward a qBRA to inform the benefit-risk assessment of brodalumab at the time of initial marketing approval. The qBRA evaluated 2 dosing regimens of brodalumab (210 mg or 140 mg twice weekly) compared with weight-based dosing of ustekinumab and placebo. Methods: We followed the 5 steps recommended by the Task Force. Attributes included treatment response ($75% improvement in Psoriasis Area and Severity Index), suicidal ideation and behavior, and infections. Performance data were drawn from pivotal clinical trials of brodalumab. The qBRA used multicriteria decision analysis and preference weights from a hypothetical discrete choice experiment. Sensitivity analyses examined the robustness of benefit-risk ranking to uncertainty in clinical effect and preference estimates, consideration of a subgroup (nail psoriasis), and the maintenance phase of treatment (52 weeks instead of 12). Results: Results from this hypothetical qBRA suggest that brodalumab 210 mg had a more favorable benefit-risk profile compared with ustekinumab and placebo. Ranking of brodalumab compared with ustekinumab was dependent on brodalumab's dose. Sensitivity analyses demonstrated robustness of benefit-risk ranking to uncertainty in clinical effect and preference estimates, as well as choice of attributes and length of follow-up. Conclusion: This case study demonstrates how to implement the ISPOR Task Force's good practice recommendations on qBRA.
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