Arthritis Rheumatol:口服降尿酸药强化降尿酸治疗侵蚀性痛风

2021-12-25 MedSci原创 MedSci原创

与血清尿酸低于0.30mmol/L的目标相比,采用口服ULT难以实现强化降尿酸目标,这将导致药物高负担,并且不能改善侵蚀性痛风的骨侵蚀评分。

近日,风湿免疫学领域权威杂志Arthritis & Rheumatology上发表了一篇研究文章,该研究旨在明确强化降低血清尿酸水平是否会改善侵蚀性痛风的骨侵蚀评分。

研究人员对104名接受口服降尿酸治疗(ULT)且血清尿酸≥0.30mmol/L的侵蚀性痛风参与者进行了为期两年的双盲、随机、对照试验。参与者被随机分配到血清尿酸目标<0.20mmol/L(强化目标)或<0.30mmol/L(标准目标,根据风湿病学指南)。

研究人员使用标准化方案(使用最大批准剂量的别嘌呤醇、丙磺舒、非布司他和苯溴马隆)将口服ULT滴定至降尿酸目标。该研究的主要终点是总CT侵蚀评分。OMERACT痛风核心结局是该研究的次要终点。

尽管与标准目标组相比,强化目标组的血清尿酸显著降低(P=0.002),但强化组中达到随机血清尿酸目标的参与者较少(第2年,62% vs. 83%,P<0.05)。强化目标组需要更高剂量的别嘌呤醇治疗(平均(SD)为746(210) mg/d vs. 496(185) mg/d,P<0.001),并使用更多的联合治疗(P=0.0004)。在两年内观察到两组的CT侵蚀评分都有小幅增加,但没有组间差异(P=0.20)。两组的OMERACT核心结局(痛风发作、痛风石、疼痛、患者总体评估、健康相关生活质量和活动受限)均有所改善,但无组间差异。不良事件和严重不良事件发生率在两组间相似。

由此可见,与血清尿酸低于0.30mmol/L的目标相比,采用口服ULT难以实现强化降尿酸目标,这将导致药物高负担,并且不能改善侵蚀性痛风的骨侵蚀评分。

原始出处:

Nicola Dalbeth,et al.Intensive serum urate lowering with oral urate-lowering therapy for erosive gout: A randomized double-blind controlled trial.Arthritis Rheumatol.2021.https://onlinelibrary.wiley.com/doi/10.1002/art.42055

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    2022-05-20 whlxd
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    2021-12-27 zhaojie88