NEJM:哮喘控制效果不佳黑人群体的治疗方案选择

2019-09-26 MedSci MedSci原创

研究认为,对于低剂量激素控制效果不佳的黑人哮喘患者,添加长效β-激动剂对青少年及成人患者更有效,增加激素剂量或添加长效β-激动剂对儿童患者均有较好的疗效

黑人患者的哮喘发病率比白人患者高得多。数据表明,哮喘控制不足的患者更多地受益于长效β-激动剂(LABA),而不是糖皮质激素,但上述结论在黑人群体中尚未得到证实。

研究人员进行了两项前瞻性、随机、双盲试验:一项涉及儿童,另一项涉及青少年和成年人。在这两项试验中,患者至少有一位祖父母被认为是黑人,并患有哮喘,患者接受小剂量吸入糖皮质激素后症状控制不充分。患者随机在吸入糖皮质激素 (氟替卡松)基础上加入LABA(沙美特罗),或者将氟替卡松的剂量提高一倍至五倍。研究的主要终点为哮喘恶化和肺功能。

五倍量氟替卡松(250μg,每天两次)与两倍量氟替卡松(100μg,每天两次)联合沙美特罗(50μg,每天两次)组相比,氟替卡松五倍组46%的儿童患者以及联合治疗组46%儿童患者得到较好治疗效果(P=0.99)。相比之下,青少年和成人患者对添加沙美特罗的反应更敏感(沙美特罗-低剂量氟替卡松vs中剂量氟替卡松,49% vs 28%;沙美特罗-中剂量氟替卡松vs高剂量氟替卡松,49% vs 31%)。非洲血统或基线生物标记物都不能预测对特定治疗的反应。吸入糖皮质激素的剂量增加与8岁以下儿童尿皮质醇与肌酐比值降低有关。

研究认为,对于低剂量激素控制效果不佳的黑人哮喘患者,添加长效β-激动剂对青少年及成人患者更有效,增加激素剂量或添加长效β-激动剂对儿童患者均有较好的疗效。

原始出处:

Michael E. Wechsler et al. Step-Up Therapy in Black Children and Adults with Poorly Controlled Asthma. N Engl J Med, September 26, 2019.

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    2020-11-16 lovetcm
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    2019-11-04 xjy13
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    2019-09-26 旺医

    顶刊就是顶刊,谢谢梅斯带来这么高水平的研究报道,我们科里同事经常看梅斯,分享梅斯上的信息

    0

  5. [GetPortalCommentsPageByObjectIdResponse(id=899460, encodeId=d6d4899460cd, content=<a href='/topic/show?id=052d399242a' target=_blank style='color:#2F92EE;'>#哮喘#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=138, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=39924, encryptionId=052d399242a, topicName=哮喘)], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20220519/c2ab253484ee4527a2d4e9589a4821ac/45de9bf494a54becb2ea4369c9d11e85.jpg, createdBy=7a3710, createdName=lovetcm, createdTime=Mon Nov 16 08:29:26 CST 2020, time=2020-11-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1717016, encodeId=c6471e170161a, content=<a href='/topic/show?id=f8a98002eb1' target=_blank style='color:#2F92EE;'>#群体#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=33, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=80027, encryptionId=f8a98002eb1, topicName=群体)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=6c0832353243, createdName=xjy13, createdTime=Mon Nov 04 10:08:00 CST 2019, time=2019-11-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1905109, encodeId=d28a19051094a, content=<a href='/topic/show?id=21f66464823' target=_blank style='color:#2F92EE;'>#治疗方案#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=35, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=64648, encryptionId=21f66464823, topicName=治疗方案)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=5ee4187, createdName=zhangjiqing, createdTime=Mon Nov 04 04:08:00 CST 2019, time=2019-11-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1034965, encodeId=ac6b1034965d9, content=顶刊就是顶刊,谢谢梅斯带来这么高水平的研究报道,我们科里同事经常看梅斯,分享梅斯上的信息, beContent=null, objectType=article, channel=null, level=null, likeNumber=52, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=旺医, createdTime=Thu Sep 26 22:08:00 CST 2019, time=2019-09-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1046916, encodeId=a52b104691655, content=疗效只是效果的众多方面之一,还要看对患者的获益,包括生活质量等因素共同决定效果的, beContent=null, objectType=article, channel=null, level=null, likeNumber=64, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=CHANGE, createdTime=Thu Sep 26 22:08:00 CST 2019, time=2019-09-26, status=1, ipAttribution=)]
    2019-09-26 CHANGE

    疗效只是效果的众多方面之一,还要看对患者的获益,包括生活质量等因素共同决定效果的

    0

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