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甲氨蝶呤治疗青少年系统性硬化症有效

2011-07-14 MedSci原创 MedSci原创

来源:医学论坛网   意大利一项研究表明,甲氨蝶呤(MTX)治疗青少年局限性系统性硬化症有效,且患者耐受性良好。该研究论文近期发表于《关节炎与风湿病学》[Arthritis Rheum 2011,63(7):1998]杂志。   在该双盲试验中,青少年局限性系统性硬化症活动期患者被随机(2:1)分为接受口服MTX(15 mg/m2,最大剂量20 mg)或

来源:医学论坛网

  意大利一项研究表明,甲氨蝶呤(MTX)治疗青少年局限性系统性硬化症有效,且患者耐受性良好。该研究论文近期发表于《关节炎与风湿病学》[Arthritis Rheum 2011,63(7):1998]杂志。

  在该双盲试验中,青少年局限性系统性硬化症活动期患者被随机(2:1)分为接受口服MTX(15 mg/m2,最大剂量20 mg)或安慰剂每周1次治疗组,患者接受治疗12个月或直至治疗失败。在头3个月两组均接受口服泼尼松(1 mg/kg/日,最大剂量50 mg)治疗。临床上使用红外线温度仪和皮肤评分率(SSR)计算机评分系统评估靶皮损。治疗有效被定义为无新皮损、SSR≤1,且皮损温度较基线至少降低10%。治疗失败被定义为有新发皮损、SSR>1,或皮损温度升高。所有分析都是在意向性治疗群体中进行的。

  结果显示,在研究筛选的85例患者中,70例(6~17岁)被随机分为MTX组(46例)和安慰剂组(24例)。平均患病时间为2.3年。在所有患者初始缓解之后,MTX组有15例复发(32.6%),安慰剂组有17例复发(70.8%)(P<0.005)。MTX组新发皮损3例(6.5%),安慰剂组4例(16.7%)。MTX组平均SSR从1降到0.79,而对照组从1增加到1.1。MTX组平均靶皮损温度甲降低44.4%,安慰剂组则降低12.1%。MTX组26例(56.5%)和安慰剂组11例(45.8%)患者发生轻度治疗相关副作用。未发生有必要停药的严重副作用。

 

相关链接:Methotrexate treatment in juvenile localized scleroderma: A randomized, double-blind, placebo-controlled trial

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