Lancet Respir Med:孟鲁司特对感染后咳嗽无效

2014-03-18 佚名 dxy

感染后咳嗽在基层医疗机构中很常见,是进行镇咳治疗实验的理想场所。而对于感染后咳嗽,目前还没有证据充分的有效治疗方案。此前研究显示,半胱氨酰白三烯与感染后咳嗽和百日咳等的发病机理相关。 孟鲁司特是一种半胱氨酰白三烯受体拮抗剂,为验证其对感染后咳嗽的疗效,英国牛津大学基层医疗卫生学系的Wang博士等进行了一项研究,提示孟鲁司特对感染后咳嗽无效。研究结果在线发表于近期的Lancet Respir Me

感染后咳嗽在基层医疗机构中很常见,是进行镇咳治疗实验的理想场所。而对于感染后咳嗽,目前还没有证据充分的有效治疗方案。此前研究显示,半胱氨酰白三烯与感染后咳嗽和百日咳等的发病机理相关。

孟鲁司特是一种半胱氨酰白三烯受体拮抗剂,为验证其对感染后咳嗽的疗效,英国牛津大学基层医疗卫生学系的Wang博士等进行了一项研究,提示孟鲁司特对感染后咳嗽无效。研究结果在线发表于近期的Lancet Respir Med杂志上。

图1:感染后咳嗽病程(0~14天)(A)由受试者完成的VAS评分(0=无咳嗽,100=严重咳嗽)。(B)受试者报告的咳嗽发作天数,数据为天数中值和四分位数间距(day 0天=基线)。受试者从第1天开始服用研究药物。

该项随机双盲安慰剂对照的临床试验中,受试者主要为英国25家全科医疗机构的感染后咳嗽患者,咳嗽病程均在2-8周之间,年龄16-49岁,均不吸烟。在经过百日咳验证试验(口服液体抗百日咳毒素 IgG)后,受试者随机分为2组,分别使用孟鲁司特或安慰剂治疗,2周为一疗程。患者可自行选择是否继续下一疗程的研究性治疗。

采用Leicester咳嗽问卷评估受试者咳嗽特异性的生活质量变化,研究终点为受试者基线时与2次随访时(入组第2及第4周)的总咳嗽评分变化。

结果表明,分别有137例和139例受试者被随机分入孟鲁司特组和安慰剂组,2组共有70例患者(25%)经实验室证实为百日咳。入组2周后,2组受试者的咳嗽特异性生活质量评分均有改善。其中,孟鲁司特组的平均改善量为2.7分,安慰剂组为3.6分;组间比较,其改善值的平均差为0.9,未达到有重要临床意义的最小差异值1.3。此外,使用任何一种敏感的分析方法均未发现2组间的改善差值有统计学意义。

孟鲁司特组和安慰剂组分别有99例(77%)及93例(72%)患者选择继续下一疗程的研究性治疗。入组4周后,孟鲁司特组与安慰剂组咳嗽评分的平均改善差值分别为5.2与5.9,组间比较改善值平均差为0.5,仍无统计学差异。

此外,孟鲁司特组和安慰剂组出现≥1个不良事件报告的比例分别为15%(21/137例)和22%(31/139例),组间比较也无统计学差异。

研究中最常见的副作用为粘液增多、胃肠不适和头痛,其在孟鲁司特、及安慰剂组中出现的例数分别为6、3、2例和2、5、6例。此外,安慰剂组出现了一例与研究药物无关的严重不良反应事件,该患者在服用了几次咳嗽药丸后,出现了气短、及咽部紧缩反应。

研究显示,孟鲁司特对感染后的咳嗽无改善疗效。

原始出处

Wang K1, Birring SS2, Taylor K3, Fry NK4, Hay AD5, Moore M6, Jin J3, Perera R3, Farmer A3, Little P6, Harrison TG4, Mant D3, Harnden A3.Montelukast for postinfectious cough in adults: a double-blind randomised placebo-controlled trial.Lancet Respir Med. 2014 Jan;

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    2020-11-30 ms6000001113694287

    学习了

    0

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    2020-11-30 ms3000000505951769

    少了一个临床应用

    0

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    2014-08-02 howi
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    2014-03-24 xiongyl1207

    对临床工作有重要的指导意义

    0

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