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Chest:特发性肺纤维化患者抗中性粒细胞胞浆抗体的阳性情况及临床意义

2019-06-09 xing.T 网络

由此可见,ANCA抗体阳性在北美IPF患者中并不常见,与基线疾病严重程度或无移植存活率无关;然而,相当大比例的MPO阳性IPF患者发展为临床血管炎。

据报道,7-10%的特发性肺纤维化(IPF)患者抗中性粒细胞胞浆抗体(ANCA)阳性,但其临床意义尚不清楚。近日,呼吸领域权威杂志chest上发表了一篇研究文章,该研究的目的是估计北美IPF人群中ANCA抗体的阳性情况,并评估其临床意义。

这是一项回顾性研究,研究人员对加州大学旧金山分校(发现队列)和芝加哥大学(重复队列)诊断为特发性肺纤维化(IPF)的两组独立患者进行了回顾性研究。在所有患者中测量髓过氧化物酶(MPO)和蛋白酶3(PR3)-ANCA抗体,并评估了ANCA抗体的临床特征和无移植存活率的患病率和相关性。

在发现队列和复制队列中,诊断时,总共有14/353(4.0%,95%CI为2.2-6.5)和20/392(5.1%,95%CI为3.1-7.8)的IPF患者ANCA抗体阳性。在MPO抗体阳性者中,发现队列中2/6(33%)和复制队列中3/12(25%)的患者发生血管炎。PR3阳性患者没有发生血管炎。与ANCA阴性患者相比,ANCA阳性患者更可能是女性,并且更可能在CT上存在一些磨玻璃样混浊。在745名患者的联合队列中,ANCA阳性患者与ANCA阴性患者的中位无移植存活率无显著差异(p = 0.57)。

由此可见,ANCA抗体阳性在北美IPF患者中并不常见,与基线疾病严重程度或无移植存活率无关;然而,相当大比例的MPO阳性IPF患者发展为临床血管炎。

原始出处:


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    2019-11-03 Smile2680
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Eur Respir J:特发性肺纤维化患者使用尼达尼布治疗可稳定或改善用力肺活量

由此可见,在INPULSIS®试验中,与服用安慰剂相比,服用尼达尼布治疗可使更多比例的IPF患者出现FVC改善/没有下降。但是,IPF患者FVC改善的机制尚不清楚。

Chest:溶血磷脂酸受体1拮抗剂用于治疗特发性肺纤维化的疗效

由此可见,与安慰剂相比,BMS-986020 600mg BID治疗26周可显著减缓FVC下降的速度。 BMS-986020的两种治疗方案都与肝酶的升高有关。

Chest:胃食管反流病与特发性肺纤维化的关系

由此可见,GERD和IPF可能有关,但这种关联很可能受到混淆,尤其是吸烟。研究人员对关联估计的信心很低,因为这些数据完全来自病例对照研究。

Lancet Respir Med:胃食管抗反流治疗可缓解特发性肺纤维化进展

研究认为,特发性肺纤维化患者接受腹腔镜抗反流治疗可改善患者肺功能,但上述结果需要大规模临床研究的认证

NEJM:尼达尼布+西地那非对IPF患者症状无显著改善作用

研究认为,在尼达尼布治疗基础上,联合西地那非不能改善特发性肺纤维化患者症状

NEJM:尼达尼布加西地那非治疗特发性肺纤维化的疗效分析

由此可见,在IPF和DlCO为预测值的35%或更低的患者中,与单独的尼达尼布相比,尼达尼布加西地那非没有发挥显著的益处。在该患者群体中没有用任何一种治疗方案确定新的安全性事件。

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