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  • Title: Cost-effectiveness of Bedaquiline for the Treatment of Multidrug-resistant Tuberculosis in the Republic of Korea.
    Author: Park HY, Ku HM, Sohn HS, Seo HS, Yung Lee H, Hwa Lim K, Kwon JW.
    Journal: Clin Ther; 2016 Mar; 38(3):655-67.e1-2. PubMed ID: 26907504.
    Abstract:
    PURPOSE: Bedaquiline is a new drug used for the treatment of multidrug-resistant tuberculosis (MDR-TB). This study aimed to evaluate the cost-effectiveness of adding bedaquiline to a standard regimen (SR) for treating patients with MDR-TB, including extensively drug-resistant (XDR)-TB, in the Republic of Korea. METHODS: A cohort-based decision-analytic model developed in a previously published study from the United Kingdom was used, with a 20-year time horizon and a 5% discount rate for cost and effectiveness, to evaluate the incremental cost-effectiveness ratios of bedaquiline + SR and SR only. The key parameters regarding the clinical data were available via the published Phase II trial of bedaquiline. Additional parameters for recurrence, cure status, loss to follow-up, surgery, death, cost, and health utility were based on Korean data if available; otherwise the international literature data were applied. Univariate and probabilistic sensitivity analyses were conducted. FINDINGS: Based on the analysis, a patient on bedaquiline + SR would gain 1.20 quality-adjusted life-years (QALYs) at 13,961,659 Korean won (KRW) (1100 KRW = US $1) of additional cost compared with a patient administered SR only, with an incremental cost/utility ratio of 11,638,656 KRW/QALY. Bedaquiline + SR had an 80% probability of being cost-effective, at a willingness-to-pay threshold of 26 million KRW, compared with SR only. IMPLICATIONS: The results of this study suggest that, in the Republic of Korea, bedaquiline, as a part of combination therapy with SR, is a cost-effective option for the treatment of MDR-TB (including XDR-TB) compared with SR only.
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