Lancet子刊:Riociguat可用于长期治疗慢性血栓栓塞性肺动脉高压

2016-04-09 MedSci MedSci原创

慢性血栓栓塞性肺动脉高压(CTEPH)是一种罕见的,衰弱的和威胁生命的疾病。研究人员调查了在无法手术治疗CTEPH或肺部内膜切除术(PEA)后出现持续性或反复性肺动脉高压的患者中疾病严重程度标志和长期结果之间的关联,这些患者一直接受可溶性苷酸环化酶刺激riociguat治疗。研究人员还从CHEST-2的最后数据中分析了安全性和有效性,在该试验中,大多数患者接受riociguat至少2年。CHEST

慢性血栓栓塞性肺动脉高压(CTEPH)是一种罕见的,衰弱的和威胁生命的疾病。研究人员调查了在无法手术治疗CTEPH或肺部内膜切除术(PEA)后出现持续性或反复性肺动脉高压的患者中疾病严重程度标志和长期结果之间的关联,这些患者一直接受可溶性苷酸环化酶刺激riociguat治疗。研究人员还从CHEST-2的最后数据中分析了安全性和有效性,在该试验中,大多数患者接受riociguat至少2年。

CHEST-1研究符合条件的患者被纳入CHEST-2这一开放性的延伸研究中,在CHEST-2中,所有患者均接受riociguat,个别调整为最大剂量每天三次2.5毫克。主要终点是安全性和耐受性。研究人员对于基线疾病严重程度的标志物(6分钟步行距离[6MWD],N端脑钠肽前体[NT-proBNP]浓度,和WHO功能分级)和随访中总生存期和临床无恶化疾病生存之间的联系做了探索性评估。研究人员采用Kaplan-Meier和Cox比例风险进行分析。

CHEST-2研究共包括237例患者。在2年时,总生存率为93%(95%CI 89-96),无临床恶化生存率为82%(77-87)。总生存率6MWD和NT-proBNP浓度在基线(分别为p=0.0199和p=0.0183)和在随访过程中(分别为p=0.0385和p=0.0068)都有显著关联。6MWD从基线的变化也显著与生存相关(P=0.0047)。在基线和随访的WHO的功能分级与总生存率无显著的关联,但与临床无恶化生存期有关。大多数患者对于Riociguat有较好的耐受性,也没有识别到新的安全信号。共有129例(54%)患者发生严重不良事件,14(6%)例患者因为不良事件停止riociguat治疗。

CTEPH患者可以长期使用Riociguat。6MWD和NT-proBNP浓度是很好的预后指标。

原始出处:

Gérald Simonneau,Andrea M D'Armini,Hossein-Ardeschir Ghofrani,et al.Predictors of long-term outcomes in patients treated with riociguat for chronic thromboembolic pulmonary hypertension,Lancet Respiratory Medicine,2016.4.8

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    2016-11-20 howi
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    2016-04-14 李继凯

    文章值得学习

    0

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    2016-04-14 李继凯

    不错不错

    0

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