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·药物经济学·


          PCI 术后双联抗血小板后单用氯吡格雷或阿司匹林维持治疗的

          药物经济学评价
                                   Δ

                *
          骆 兵 ,蒋月云,陈艺莉(中山大学附属第一医院Ⅰ期药物临床试验病区,广州 510080)
                                 #
          中图分类号  R956      文献标志码  A      文章编号  1001-0408(2025)23-2952-06
          DOI  10.6039/j.issn.1001-0408.2025.23.12

          摘   要  目的  从我国卫生体系角度出发,评价经皮冠状动脉介入治疗(PCI)术后患者在双联抗血小板治疗(DAPT)后接受氯吡
          格雷或阿司匹林单药维持治疗的经济性。方法  采用Markov模型,研究时限设为25年,循环周期为1年,对氯吡格雷组和阿司匹
          林组患者分别进行队列模拟,预测和比较PCI术后患者DAPT后接受氯吡格雷或阿司匹林单药维持治疗方案带来的长期经济与
          健康结果,并进行成本-效用分析。以1倍2024年我国人均国内生产总值(GDP)作为意愿支付(WTP)阈值[95 749元/质量调整生
          命年(QALY)],计算增量成本-效果比(ICER)。采用单因素敏感性分析和概率敏感性分析验证基础分析结果的稳健性。结果
          PCI术后患者DAPT后采用氯吡格雷单药维持治疗能减少死亡事件的发生,而采用阿司匹林单药维持治疗发生卒中和心肌梗死事
          件的概率更低。氯吡格雷组方案相较于阿司匹林组方案的ICER为34 644.87元/QALY,小于本研究的WTP阈值。单因素敏感性
          分析结果表明,影响基础分析结果较为显著的不确定因素为阿司匹林组无事件转移至死亡概率、氯吡格雷组无事件成本及阿司匹
          林组无事件成本。概率敏感性分析结果表明,当WTP阈值为95 749元/QALY时,氯吡格雷组和阿司匹林组方案具有经济性的概
          率分别为83%和17%,且氯吡格雷组方案具有经济性的概率随WTP阈值增加而上升。结论  相较于阿司匹林单药维持治疗方案,
          在1倍我国2024年人均GDP的WTP阈值下,PCI术后患者DAPT后接受氯吡格雷单药维持治疗的经济性更佳。
          关键词  氯吡格雷;阿司匹林;经皮冠状动脉介入治疗;抗血小板治疗;Markov模型;成本-效用分析;药物经济学评价

          Pharmacoeconomic  evaluation  of  dual  antiplatelet  therapy  followed  by  maintenance  therapy  with
          clopidogrel or aspirin after PCI

          LUO Bing,JIANG Yueyun,CHEN Yili(Phase  Ⅰ  Drug  Clinical Trial Ward,  the  First Affiliated  Hospital  of  Sun
          Yat-sen University, Guangzhou 510080, China)

          ABSTRACT    OBJECTIVE  From  the  perspective  of  China’s  health  system,  to  evaluate  the  cost-effectiveness  of  maintenance
          therapy with clopidogrel or aspirin monotherapy in percutaneous coronary intervention (PCI) patients after dual antiplatelet therapy
         (DAPT).  METHODS  A  Markov  model  was  adopted  with  a  research  period  of  25  years  and  a  cycle  period  of  1  year.  Cohort
          simulations were conducted respectively for the clopidogrel group and aspirin group to predict and compare the long-term economic
          and  health  outcomes  of  PCI  patients  receiving  either  clopidogrel  or  aspirin  monotherapy  maintenance  regimens  after  DAPT,  and
          cost-effectiveness  analysis  was  conducted.  The  willingness-to-pay (WTP)  threshold  was  set  at  the  level  of  1  times  China’s  per
          capita  gross  domestic  product (GDP)  in  2024[95  749  yuan  per  quality-adjusted  life  year (QALY)],  and  the  incremental  cost-
          effectiveness ratio (ICER) was calculated. The robustness of the basic analysis results was verified by using single-factor sensitivity
          analysis and probabilistic sensitivity analysis. RESULTS After PCI, patients received DAPT, clopidogrel monotherapy maintenance
          treatment reduced the occurrence of death events, and aspirin monotherapy maintenance treatment had a lower probability of stroke
          and myocardial infarction events. The ICER of the clopidogrel group regimen compared with the aspirin group regimen was 34 644.87
          yuan/QALY,  which  was  less  than  the  WTP  threshold  set  in  this  study.  The  results  of  univariate  sensitivity  analysis  indicated  that
                                                              notable  uncertainties  affecting  the  basic  analysis  results  were
              Δ 基金项目 广东省自然科学基金项目(No.2025A1515012698);         the  probability  of  event-free  progression  to  death  in  the  aspirin
          中山大学临床医学研究5010计划项目(No.2017003)                      group,  the  event-free  cost  in  the  clopidogrel  group,  and  the
             *第一作者 药师,硕士。研究方向:药物经济学、临床药学。
                                                              event-free cost in the aspirin group. The results of probabilistic
          E-mail:luob2382261378@163.com
                                                              sensitivity  analysis  indicated  that  when  the  WTP  threshold
              # 通信作者 主任医师,硕士生导师,博士。研究方向:心血管疾病
          的临床诊疗。E-mail:lumy1378@163.com                       was  95  749  yuan /QALY,  the  economic  probabilities  of  the


          · 2952 ·    China Pharmacy  2025 Vol. 36  No. 23                            中国药房  2025年第36卷第23期
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