目的 评价重组人肿瘤坏死因子受体Ⅱ-Fc融合蛋白(TNFRⅡ-Fc,商品名:安佰诺)治疗中重度活动性类风湿关节炎(RA)的临床和影像学疗效.方法 396例RA患者随机分为联合用药组、TNFRⅡ-Fc组和甲氨蝶呤组,疗程均为24周,单因素方差分析美国风湿病学会(ACR)-N、ACR20、ACR50、ACR70、疾病活动指数(DAS )28和治疗前后双手的X线Sharp评分(SHS)等疗效和安全性指标.结果 治疗24周后,ACR-N的年改善率联合组为(12.79±9.24)％,TNFRⅡ-Fc组为(9.56±11.16)％,甲氨蝶呤组为(5.08±11.10)％,联合用药组优于TNFRⅡ-Fc组和甲氨蝶呤组(P＜0.05),TNFRⅡ-Fc组优于甲氨蝶呤组(P＜0.05).ACR20的达标率联合组(80.4％)优于TNFR Ⅱ -Fc组(71.1％)和甲氨蝶呤组(56.7％),差异有统计学意义(P＜0.05或P＜0.01).治疗24周后,联合组ACR50和ACR70的达标率分别为53.6％和27.7％,TNFRⅡ-Fc组为41.2％和15.8％,甲氨蝶呤组为30.8％和7.7％,联合组ACR50达标率优于甲氨蝶呤组(P＜0.01),联合组ACR70达标率优于TNFRⅡ-Fc组和甲氨蝶呤组(P＜0.05或P＜0.01).联合组的DAS28-红细胞沉降率(ESR)改善优于TNFRⅡ-Fc组和甲氨蝶呤组,差异有统计学意义(P＜0.05).双手SHS评分治疗前后差值联合组(-1.7±11.2)较甲氨蝶呤组(2.1±11.5)显著下降(P=0.03).联合组不良反应发生率(40.9％)高于甲氨蝶呤组(28.8％),差异有统计学意义(P＜0.05).结论 本研究显示TNFRⅡ-Fc联合甲氨蝶呤较单独使用TNFRⅡ-Fc或甲氨蝶呤能更有效控制RA的活动性和影像学进展.%Objective To evaluate the clinical and radiological efficacy of TNFR Ⅱ -Fc combined with methotrexate ( MTX ) in treatment of patients with moderate and severe rheumatoid arthritis.Methods Three hundred and ninty-six RA patients were randomized into the combined treatment group,the TNFR Ⅱ -Fc only group and MTX only group.All patients were treated for 24 weeks.ACR-N,ACR20,ACR50,ACR70,DAS28-ESR and Sharp score of both hands were measured for efficacy,and the side-effects were analyzed by one-way ANOVA.Results After 24-week therapy,the ACR-N of the combined treatment group [( 12.79±9.24)％-year] was significantly improved than that of the TNFR Ⅱ-Fc only group [(9.56±11.16)％-year,P＜0.05] and that of the MTX only group [(5.08±11.10)％-year,P＜0.05],and the TNFR Ⅱ-Fc group was significantly improved than that of the MTX group (P＜0.05).The ACR20 response rate of the combined group (80.4％) was significantly higher than that of the TNFR Ⅱ -Fc group (71.1％,P＜0.05) and the MTX group (56.7％,P＜0.01 ).The ACRS0 response rate of the combined group (53.6％) was significantly higher than that of the MTX group (30.8％,P＜0.01 ).The ACR70 response rate of the combined group was 27.7％,which was significantly different from that of the TNFR Ⅱ -Fc group (15.8％) and MTX group (7.7％,P＜0.05or P＜0.01 ).DAS28-ESR in the combination group was significantly reduced than those of the TNFR Ⅱ -Fc group and MTX group,and the DAS28-ESR of the TNFR Ⅱ -Fc group was significantly reduced than MTX group.The average total Sharp score of both hands,which demonstrated the radiographic changes,was significantly reduced in the combination group than the MTX group (P=0.03).The total adverse events in the combined group (40.9％) was significantly high than that of the MTX group (28.8％,P＜0.05).Conclusion TNFR Ⅱ -Fc combined with MTX can effectively control the activity of RA and radiological progress.
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