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补硒干预对寻常型银屑病治疗疗效的循证医学研究

2017-11-27李峰朱时纯胡金平

上海医药 2017年21期
关键词:银屑病特异性抑制剂

李峰+朱时纯+胡金平

摘 要 目的:评价补硒干预对寻常型银屑病治疗的疗效与安全性。方法:对补硒干预治疗寻常型银屑病的临床随机、对照试验进行质量评价和数据分析,采用RevMan 5.0软件进行meta分析,评价患者的血硒水平、治疗有效率和不良事件发生率。共纳入1 285例寻常型银屑病患者,其中補硒干预组665例患者接受免疫抑制剂治疗联合补硒干预,对照组620例患者仅接受免疫抑制剂治疗。结果:补硒干预能提高寻常型银屑病治疗的疗效[比值比(odds ratio, OR)=2.68, 95% CI: 2.09, 3.44; P<0.01]、提高患者的血硒水平(标准化均数差=10.87, 95% CI: 9.25, 12.49; P<0.01),且不会引起明显的不良事件发生(OR=1.31, 95% CI: 0.68, 2.53; P<0.01)。结论:补硒干预能提高寻常型银屑病治疗的疗效,安全性良好。

关键词 硒 寻常型银屑病 免疫紊乱

中图分类号:R758.63 文献标识码:A 文章编号:1006-1533(2017)21-0006-03

Evidence-based medicine research for the treatment of psoriasis vulgaris by selenium supplementation*

LI Feng1**, ZHU Shichun2, HU Jinping3***

(1. Department of Dermatology, Putuo Hospital affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai 200063, China; 2. Pharmacology Laboratory, School of Pharmacy, Fudan University, Shanghai 200030, China; 3. Pharmacological Evaluation Center, Chinese Pharmaceutical Industry Research Institute, Shanghai 201210, China)

ABSTRACT Objective: To evaluate the efficacy and safety of selenium supplementation in the treatment of psoriasis vulgaris. Methods: Its quality was evaluated and the related data were analyzed by a clinical randomized controlled trial (RCT), and meta analysis was carried out by RevMan 5 software. The blood selenium levels, efficiency and the incidence of adverse events were also evaluated. One thousand and two hundreds and eighty-five patients with psoriasis vulgaris were divided an intervention group with 665 cases treated with immunosuppressive therapy plus selenium supplementation and a control group with 620 cases treated with only immunosuppressive therapy. Results: The intervention of selenium supplementation could improve the efficacy [odds ratio (OR)=2.68, 95% CI: 2.09, 3.44; P<0.01] and increase the blood selenium level (standardized mean difference=10.87, 95% CI: 9.25, 12.49; P<0.01), which could not result in the occurrence of obvious adverse events(OR=1.31, 95% CI: 0.68, 2.53; P<0.01). Conclusion: Selenium supplementation can improve the curative effect of psoriasis vulgaris with good safety.

KEy WORDS selenium; psoriasis vulgaris; immune disorders

银屑病是一种常见且易反复的慢性炎症性皮肤病,流行病学研究显示其人口患病率为1% ~ 3%[1]。对中重度银屑病,常用的治疗药物或方法有甲氨蝶呤、环孢素A、维A酸类似物、糖皮质激素类药物和光疗等[2]。目前公认银屑病是由辅助性T细胞(helper T cells, Th)失衡并有多种细胞因子介导的自身免疫紊乱性疾病[3]。硒是人体必需的微量元素,有关研究证实硒对人体免疫功能的影响是多方面和复杂的,硒对免疫功能如特异性免疫、非特异性免疫功能低下均有明显的增强作用,同时对免疫功能紊乱患者也有较好的调节作用,可能是主要通过调节Th1与Th2间的平衡、抑制细胞因子产生而调节免疫、抑制炎症反应的[4]。近年来,硒制剂被广泛用于甲状腺炎、银屑病等自身免疫性疾病治疗,但其能否提高这些疾病的治疗疗效却不明晰。本研究探究补硒干预对寻常型银屑病的疗效与安全性。endprint

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