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Cost-Effectiveness of Dulaglutide Versus Liraglutide for Management of Type 2 Diabetes Mellitus in Iran

Published:September 08, 2022DOI:https://doi.org/10.1016/j.vhri.2022.07.005

      Highlights

      • Dulaglutide was associated with both less cost and more efficacy; therefore, by proposing a negative incremental cost-effectiveness ratio, it is selected as the cost-effective treatment strategy from the health system perspective in comparison with liraglutide in Iran’s healthcare setting.
      • Although this result is generally similar to other performed studies in this regard in different countries, the results are different when the comparison arm changes.
      • Sensitivity analysis shows that the result is most sensitive to the prices of dulaglutide and liraglutide.

      Abstract

      Objectives

      Diabetes mellitus (DM), as one of the most common metabolic diseases, is the ninth leading cause of death globally and imposes heavy costs on the health systems including both costs of treatment and management of secondary complications. This study intended to investigate the cost-effectiveness of dulaglutide compared with liraglutide in the management of patients with type 2 DM in Iran.

      Method

      We conducted a cost-utility analysis using a 5-state Markov model from the health system perspective, over a 10-year time horizon, in 2018 in Iran. Sensitivity of the model has been evaluated through tornado diagram and using one-way sensitivity analysis. In addition, probabilistic sensitivity analysis has been accomplished using Monte Carlo simulation.

      Results

      The average costs of treatment of patients with type 2 DM using the dulaglutide and liraglutide treatment regimens are 17 577.09 and 18 517.54 US dollars per patient, respectively, over a 10-year time horizon. In terms of effectiveness, the average discounted quality-adjusted life-year rates are estimated at 5.560 and 5.403 for the dulaglutide and liraglutide treatment regimens, respectively. The model is mostly sensitive to the price of dulaglutide and liraglutide, the hemoglobin A1c reduction of liraglutide, and the utility resulting from less injection frequency of dulaglutide, respectively.

      Conclusion

      Dulaglutide, in addition to being more effective, providing 0.156 more quality-adjusted life-years for the patients, reduces costs by 940.45 US dollars per patient over a 10-year time horizon. Therefore, due to the greater effectiveness and lower cost, it is concludable that dulaglutide is the cost-effective (incremental cost-effectiveness ratio = −6028.52) treatment alternative from the health system perspective.

      Keywords

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