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A&R:通过口服强化降尿酸并不会改善糜烂性痛风患者的骨侵蚀评分

2022-06-22 MedSci原创 MedSci原创

与<0.30  mM/L的血清尿酸目标相比,口服降尿酸治疗并不能使血清尿酸大幅度降低。强化降低血清尿酸会导致药物负担增高,并且不会改善糜烂性痛风患者的骨侵蚀评分。

目的确定强化降低血清尿酸的治疗方法是否能改善糜烂性痛风患者的骨侵蚀评分。

方法该研究团队进行了一项为期2年的双盲随机对照试验,纳入了104名患有糜烂性痛风的参与者,这些参与者正在接受口服降尿酸治疗,并且基线时血清尿酸水平≥0.30mM/L。参与者被随机分配到<0.20 mM/L的强化血清尿酸目标或<0.30mM/L的标准目标(根据风湿病学指南考虑标准)。使用标准化方案(别嘌醇、丙磺舒、非布索坦和苯溴马隆的最大批准剂量)将口服血清尿酸降低治疗滴定至目标。主要终点是总计算机断层扫描(CT)骨侵蚀评分。风湿病学结果测量(OMERACT)痛风核心结果是次要终点。

结果尽管在研究期间强化目标组的血清尿酸水平显著低于标准目标组(P = 0.002),但强化目标组中较少的参与者在第2年达到随机血清尿酸目标水平(62% vs标准目标组中 83%的患者;P<0.05。与标准目标组相比,强化目标组需要更高剂量的别嘌醇(平均±SD 746±210 mg/ vs 497±186 mg/天;P<0.001)并接受更多联合治疗(P = 0.0004)。研究人员观察到两个血清尿酸盐目标组的CT骨侵蚀评分在 2 年内都有小幅增加,组间没有差异 (P = 0.20) OMERACT核心结果(痛风发作、痛风石、疼痛、患者对疾病活动的总体评估、健康相关的生活质量和活动限制)在2年内两组均有所改善,组间没有差异。各组之间的不良事件和严重不良事件发生率相似。

结论<0.30 mM/L的血清尿酸目标相比,口服降尿酸治疗并不能使血清尿酸大幅度降低。强化降低血清尿酸会导致高药物负担,并且不会改善糜烂性痛风患者的骨侵蚀评分。

出处:Dalbeth, N., Doyle, A.J., Billington, K., et al (2022), Intensive Serum Urate Lowering With Oral Urate-Lowering Therapy for Erosive Gout: A Randomized Double-Blind Controlled Trial. Arthritis Rheumatol, 74: 1059-1069. https://doi.org/10.1002/art.42055

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    2022-08-02 whlxd
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    2022-06-22 1209e435m98(暂无昵称)

    学习了,谢谢分享

    0

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    2022-06-22 医鸣惊人

    认真学习了

    0

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    2022-06-22 许安
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最新研究数据显示:痛风患者的第一跖趾关节,很容易出现尿酸盐沉积、滑膜炎、骨侵蚀。 该研究纳入了23例痛风患者、29例无症状性高尿酸血症患者、34例年龄和性别匹配的血尿酸正常者的对照参与。探究这些参与者的第一跖趾关节(MTP)的超声特征。 肌肉骨骼放射科医生通过灰度和能量多普勒超声检查,评估每个参与者的双侧关节。在扫描的时候,所有参与者均没有关节炎。此后,两个肌肉骨骼放射科医师评估静态图

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