地塞米松联合利妥昔单抗一线治疗成人慢性原发免疫性血小板减少症的经济性评价.docx
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1、地塞米松联合利妥昔单抗一线治疗成人慢性原发免疫性血小板减少症的经济性评价王樱澄芮明军商叶马爱霞图1成人慢性ITP的治疗路径Fig 1 Treatment pathways of chronic ITP in adults中I分类号 R956;R593. 31 文献标志码 A 1001-0408 (2021) 24-3013-06DOI 10. 6039/j. issn. 1001-0408. 2021. 24. 12摘要目的:评价地塞米松(DXM)联用利妥昔单抗(RTX) 一线治疗成人慢性原发免疫性血小板减少症(ITP)的经济性。方法:从我国医疗卫生体系角度出发,以单用DXM方案为对照,构建八
2、状态Markov模型,模型周期为4周,时限为20年,评价DXM联用RTX方案治疗成人慢性ITP的成本-效用,临床疗效、效用值参数来自已发表的文献,成本参数来自米内网、各地卫生健康委以及医保局官网;通过单因素敏感性分析、概率敏感性分析和情境分析来考察模型及参数来源的不确定性。结果:DXM+RTX方案的平均治疗费用为51 064美元,DXM方案的平均治疗费用为50 455美元;与单用DXM相比,DXM+RTX方案可以让每位患者平均多获得0.14个质量调整生命年(QALYs),增量成本-效果比(1CER)为4 356美元/QALY,低于2020年我国人均国内生产总值(GDP)这一意愿支付阈值。在单因
3、素敏感性分析中,药品费用是对结果影响最大的参数;在概率敏感性分析中,当支付阈值为13倍2020年我国人均GDP时,DXM+RTX方案具有经济性的概率为57.5%61.0%;情境分析结果表明,DXM+RTX方案可能具有明显的长期获益,效用值对结论的影响较小。结论:DXM+RTX相比单用DXM一线治疗成人慢性ITP具有经济性,但是结果具有一定的不确定性。Key药物经济学评价;原发免疫性血小板减少症;利妥昔单抗;地塞米松;一线治疗Economic Evaluation of Dexamethasone Combined with Rituximab for theFirst-line Treatme
4、nt of Chronic Primary Immune Thrombocytopenia inAdultsWANG Yingchengl, 2, RUI Mingjunl, 2, SHANG Yel, 2, MA Aixial, 2 (1.School of International Pharmaceutical Business, ChinaPharmaceutical University, Nanjing 211198, China; 2. Center forPharmacoeconomic Evaluation Research, China PharmaceuticalUniv
5、ersity, Nanjing 211198, China)ABSTRACT OBJECTIVE: To evaluate the economy performance ofdexamethasone (DXM) combined with rituximab (RTX) for the first-line treatment of chronic primary immune thrombocytopenia (ITP) inadults. METHODS: From the perspective of China s medical and healthsystem, Markov
6、model for eight states was constructed with a periodof 4 weeks and a time limit of 20 years, using DXM regimen ascontrol. The cost-utility of DXM+RTX regimen for the treatment ofchronic ITP in adults were evaluated. The parameters of clinicalefficacy and utility value were derived from own published
7、literature; cost parameters were from the MENET website and theofficial websites of local health committees and medical insurancebureaus;one-way sensitivity analysis, probability sensitivityanalysis and scenario analysis were performed to observe theuncertainty of model and data source. RESULTS: The
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- 地塞米松 联合 利妥昔单抗 一线 治疗 成人 慢性 免疫性 血小板 减少 经济 评价