Abstract
Objective:This study aims to estimate the long-term cost-effectiveness of saxagliptin + metformin (SAXA + MET) vs glimepiride + metformin (GLI + MET) in patients with Type 2 diabetes mellitus (T2DM) inadequately controlled with MET in China.Methods:The Cardiff Model was used to simulate disease progression and estimate the long-term effect of treatments on patients. Systematic literature reviews and hospital surveys were conducted to obtain patients profiles, clinical data, and costs. Health insurance costs (2014¥) were estimated over a 40-year period. One-way and probabilistic sensitivity analyses were performed.Results:SAXA + MET had lower predicted incidences of cardiovascular and hypoglycemia events and a decreased total cost compared with GLI + MET (¥241,072,807 vs ¥285,455,177). There were increased numbers of quality-adjusted life-years (QALYs; 1.01/patient) and life-years (Lys; 0.03/patient) gained with SAXA + MET compared with GLI + MET, and the incremental cost of SAXA + MET vs GLI + MET (−¥44,382) resulted in −¥43,883/QALY and −¥1,710,926/LY gained with SAXA + MET. Sensitivity analyses confirmed that the results were robust.Conclusion:In patients with T2DM in China, SAXA + MET was more cost-effective and was well tolerated with fewer adverse effects (AEs) compared with GLI + MET. As a second-line therapy for T2DM, SAXA may address some of the unmet medical needs attributable to AEs in the treatment of T2DM.
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