PMID- 31782677 OWN - NLM STAT- MEDLINE DCOM- 20210121 LR - 20210121 IS - 1941-837X (Electronic) IS - 1369-6998 (Linking) VI - 23 IP - 4 DP - 2020 Apr TI - Economic evaluation of olmesartan/amlodipine fixed-dose combination for hypertension treatment in China. PG - 394-400 LID - 10.1080/13696998.2019.1699799 [doi] AB - Objectives: To evaluate the cost-effectiveness of olmesartan/amlodipine fixed-dose combination vs olmesartan and amlodipine free combination, amlodipine single drug, and valsartan/amlodipine fixed-dose combination in the treatment of hypertensive patients from payer perspective in China.Methods: A Markov model was constructed, which included five health states of hypertensive patients who are aged 35-84 years at baseline and free of cardiovascular disease. Clinical data were obtained from a network meta-analysis. Epidemiology data, adverse events (AEs), cost, and utility data were obtained from the literature. The cost associated with AEs was estimated based on the cost of same symptoms of hypertensive patients in an electric medical record database. The model projected quality-adjusted life years (QALYs) gained, total costs per patient in a 20-year time horizon, and incremental cost-effectiveness ratios. Probability sensitivity analyses (PSA) and one-way sensitivity analyses were conducted for the main parameters to test the robustness of the model.Results: Compared to olmesartan and amlodipine free combination, amlodipine, and valsartan/amlodipine fixed-dose combination, treatment with olmesartan/amlodipine fixed-dose combination led to fewer CVD events and deaths; resulted in an incremental cost of yen-5,439 ($-791.36), yen6,530 ($950.09), and yen-1,019 ($-148.26) and gained additional QALYs of 0.052, 0.094, and 0.037 per patient, respectively. Compared with olmesartan and amlodipine free combination and valsartan/amlodipine fixed-dose combination, olmesartan/amlodipine fixed-dose combination was dominant. Compared with amlodipine alone, the incremental cost-effectiveness ratios were below the WHO recommended cost-effectiveness threshold, indicating the olmesartan/amlodipine fixed-dose combination was a cost-effective option for hypertensive patients in China. The 10-years' time horizon scenario analysis showed similar results to the 20-years' time horizon. Probabilistic sensitivity analysis and one-way sensitivity analyses showed the robustness of the model results.Conclusions: Olmesartan/amlodipine fixed-dose combination confers better health outcomes and costs less compared with olmesartan and amlodipine free combination and valsartan/amlodipine fixed-dose combination, and is cost-effective compared to amlodipine for hypertension treatment in China. FAU - Ren, Maodong AU - Ren M AD - Shanghai Centennial Scientific Co., Ltd, Shanghai, China. FAU - Xuan, Dennis AU - Xuan D AD - Gillings Global School of Public Health, The University of North Carolina at Chapel Hill, Chapel Hill, USA. FAU - Lu, Yongji AU - Lu Y AD - Shanghai Centennial Scientific Co., Ltd, Shanghai, China. FAU - Fu, YuYan AU - Fu Y AD - Health Economic Research Institute, Sun Yat-Sen University, Guangzhou, China. FAU - Xuan, Jianwei AU - Xuan J AD - Health Economic Research Institute, Sun Yat-Sen University, Guangzhou, China. LA - eng PT - Journal Article PT - Meta-Analysis DEP - 20200125 PL - England TA - J Med Econ JT - Journal of medical economics JID - 9892255 RN - 0 (Imidazoles) RN - 0 (Tetrazoles) RN - 1J444QC288 (Amlodipine) RN - 8W1IQP3U10 (olmesartan) SB - IM MH - Adult MH - Aged MH - Aged, 80 and over MH - Amlodipine/*administration & dosage/economics MH - China MH - Cost-Benefit Analysis MH - Databases, Factual MH - Drug Therapy, Combination/*economics MH - Female MH - Humans MH - Hypertension/*drug therapy MH - Imidazoles/*administration & dosage/economics MH - Male MH - Medical Records MH - Middle Aged MH - Tetrazoles/*administration & dosage/economics OTO - NOTNLM OT - Anti-hypertensives OT - I11 OT - I15 OT - cardiovascular disease OT - cost-effectiveness analysis OT - fixed-dose combination EDAT- 2019/11/30 06:00 MHDA- 2021/01/22 06:00 CRDT- 2019/11/30 06:00 PHST- 2019/11/30 06:00 [pubmed] PHST- 2021/01/22 06:00 [medline] PHST- 2019/11/30 06:00 [entrez] AID - 10.1080/13696998.2019.1699799 [doi] PST - ppublish SO - J Med Econ. 2020 Apr;23(4):394-400. doi: 10.1080/13696998.2019.1699799. Epub 2020 Jan 25.