Page 79 - 《中国药房》2026年8期
P. 79

·药物经济学·


          库莫西利联合氟维司群二线治疗 HR+/HER2-局部晚期或转移
          性乳腺癌患者的药物经济学评价
                                                            Δ


          刘 冉    1, 2* ,高胜男 ,李从欣 ,张羽曦 ,张冉冉 ,王 阅 ,刘紫怡 ,刘国强 (1.河北医科大学第三医院药学
                                                                               1 #
                                                                      1, 2
                                                            1, 2
                                            1
                           3
                                    1
                                                    1
          部,石家庄 050051;2.河北医科大学研究生学院,石家庄 050017;3.河北省药物与卫生技术综合评估学会,
          石家庄 050051)
          中图分类号  R956      文献标志码  A      文章编号  1001-0408(2026)08-1033-06
          DOI  10.6039/j.issn.1001-0408.2026.08.11
          摘  要  目的  从我国卫生体系角度出发,评价库莫西利联合氟维司群二线治疗激素受体阳性(HR+)/人表皮生长因子受体2阴性
         (HER2-)局部晚期或转移性乳腺癌患者的经济性。方法  根据CULMATE-1研究结果构建分区生存模型,模拟时限设置为15年,
          循环周期为28 d,计算库莫西利联合氟维司群相较于氟维司群单药二线治疗HR+/HER2-乳腺癌的增量成本-效果比(ICER);采
          用单因素敏感性分析和概率敏感性分析评估模型的稳健性,同时开展库莫西利降价的情境分析并测算达到本研究意愿支付
         (WTP)阈值所需的降价幅度和价格。结果  基础分析结果显示,与氟维司群单药方案相比,库莫西利联合氟维司群方案可使患者
          多获得0.823质量调整生命年(QALY),对应的ICER为371 696.26元/QALY,高于WTP阈值(199 330元/QALY)。单因素敏感性分
          析结果显示,库莫西利成本、折现率、疾病进展和无进展生存期状态效用值对ICER有较大的影响;单因素敏感性分析和概率敏感
          性分析都验证了模型结果的稳健性。情境分析结果表明,当库莫西利分别降价30%、55%、85%时,对应的ICER 值分别低于我国
          3、2、1 倍 2025 年人均 GDP,具有经济性的概率分别为 3.00%、94.90%、100%;当库莫西利(60 mg)成本下降 52.6% 至 50.96 元时,
          ICER方可低于本研究的WTP阈值。结论  当WTP阈值为2倍2025年我国人均GDP时,相比于氟维司群单药方案,库莫西利联合
          氟维司群二线治疗HR+/HER2-局部晚期或转移性乳腺癌不具有经济性优势,需进行合理降价,才能减轻患者的经济负担。
          关键词  库莫西利;氟维司群;乳腺癌;激素受体阳性;人表皮生长因子受体2阴性;周期蛋白依赖性激酶2/4/6抑制剂;分区生存模
          型;药物经济学

          Pharmacoeconomic  evaluation  of  culmerciclib  combined  with  fulvestrant  in  the  second-line  treatment  of
          HR+/HER2-- locally advanced or metastatic breast cancer
                                    3
                  1, 2
                                                1
                                                                1
                                                                                                          1, 2
          LIU Ran ,GAO Shengnan ,LI Congxin ,ZHANG Yuxi ,ZHANG Ranran ,WANG Yue ,LIU Ziyi ,
                                                                                 1
                                                                                              1, 2
          LIU Guoqiang(1.  Dept.  of  Pharmacy,  Hebei  Medical  University Third  Hospital,  Shijiazhuang  050051,  China;
                      1
          2.  School  of  Graduate,  Hebei  Medical  University,  Shijiazhuang  050017,  China;3.  Hebei  Society  for  Integrated
          Drug and Health Technology Assessment, Shijiazhuang 050051, China)
          ABSTRACT   OBJECTIVE  To  evaluate  the  cost-effectiveness  of  culmerciclib  combined  with  fulvestrant  as  second-line  treatment
          for patients with hormone receptor-positive(HR+)/human epidermal growth factor receptor 2-negative (HER2–) locally advanced or
          metastatic  breast  cancer,  within  the  context  of  the  Chinese  healthcare  system.  METHODS  A  partitioned  survival  model  was
          established  based  on  the  CULMATE-1  study,  with  a  simulation  time  horizon  set  at  15  years  and  a  cycle  length  of  28  days.  The
          incremental cost-effectiveness ratio (ICER) of culmerciclib combined with fulvestrant versus fulvestrant monotherapy as second-line
          treatment  for  HR+/HER2 –  breast  cancer  was  calculated.  One-way  sensitivity  analysis  and  probabilistic  sensitivity  analysis  were
          performed  to  assess  the  robustness  of  the  model.  Meanwhile,  scenario  analysis  of  culmerciclib  price  reduction  was  conducted;  the
          required  price  reduction  and  price  to  reach  the  willingness-to-pay (WTP)  threshold  in  this  study  were  calculated.  RESULTS  The
          results  of  the  base-case  analysis  indicated  that,  compared  with  the  fulvestrant  monotherapy  regimen,  culmerciclib  combined  with
          fulvestrant yielded an additional 0.823 quality-adjusted life year (QALY), with a corresponding ICER of 371 696.26 yuan/QALY,
          which  exceeded  the WTP  threshold (199  330  yuan/QALY). The  results  of  the  univariate  sensitivity  analysis  indicated  that  the  cost
          of  culmerciclib,  the  discount  rate,  the  utility  values  for  progression  disease  and  progression  free  survival  status  were  significant
          factors  influencing  the  ICER;  both  the  univariate  sensitivity  analysis  and  the  probabilistic  sensitivity  analysis  validated  the
                                                             robustness of the model results. Scenario analysis indicated that
             Δ 基金项目 河北省自然科学基金项目(No.H2024206062)              when the price of culmerciclib was reduced by 30%, 55% and
             *第一作者 硕士研究生。研究方向:药物经济学。E-mail:
                                                             85%  respectively,  the  corresponding  ICER  values  fell  below
          2449898635@qq.com
             # 通信作者 主任药师,硕士生导师,硕士。研究方向:药物经济                  3,  2,  and  1  times  China’s  per  capita  GDP  in  2025,  with  the
          学、卫生技术评估、合理用药。E-mail:36700774@hebmu.edu.cn         probability  of  cost-effectiveness  being  3.00%,  94.90%,  100%.


          中国药房  2026年第37卷第8期                                                China Pharmacy  2026 Vol. 37  No. 8    · 1033 ·
   74   75   76   77   78   79   80   81   82   83   84