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The Budget Impact of Introducing Tildrakizumab to a United States Health Plan for Managing Moderate-to-Severe Plaque Psoriasis.


ABSTRACT: OBJECTIVE:The aim of this study was to evaluate the budget impact of introducing tildrakizumab for moderate-to-severe plaque psoriasis from a US health plan perspective. METHODS:A budget impact model estimated costs before and after the adoption of tildrakizumab to a hypothetical US health plan with 1 million covered lives over 5 years. Additionally, the model included adalimumab, brodalumab, etanercept, guselkumab, ixekizumab, secukinumab, ustekinumab, and apremilast; biosimilars were not included. Model input data were obtained from the published literature, clinical trials, and prescription data. Market uptake for tildrakizumab was assumed as 1% annually over 5 years. Patients initiating or switching treatments required induction dosing; all others treated required maintenance dosing. The model compared the total annual costs for tildrakizumab versus treatment without tildrakizumab to calculate budget impact in 2018 US dollars. Scenarios exploring alternative assumptions for adverse events and market uptake rates were assessed, and a one-way sensitivity analysis was conducted. RESULTS:Within a health plan of 1 million members with an estimated 1048 patients receiving biologics or apremilast for psoriasis, the total annual health plan cost after introducing tildrakizumab decreased by $5585, $137,025, $205,538, $274,051, and $342,563 in years 1-5, respectively, resulting in a cumulative reduction of $964,763 over 5 years. The impact on total cost was largely due to drug acquisition costs. The incremental per member per month (PMPM) cost reductions were negligible in year 1, $0.01 in year 2, $0.02 in years 3-4, and $0.03 in year 5. Scenario and sensitivity analyses confirmed the model robustness. CONCLUSIONS:The introduction of tildrakizumab with a 1% annual uptake over 5 years has the potential to reduce the cost of treating patients with moderate-to-severe plaque psoriasis for a US health plan.

SUBMITTER: Carrico J 

PROVIDER: S-EPMC7688845 | BioStudies | 2020-01-01

REPOSITORIES: biostudies

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