Phase II studies of nebulised Arikace in CF patients with Pseudomonas aeruginosa infection

Phase II studies of nebulised Arikace in CF patients with Pseudomonas aeruginosa infection
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DOI:
10.1136/thoraxjnl-2012-202230
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发表时间:
2013-09-01
期刊:
影响因子:
10
通讯作者:
Gupta, R.
Gupta, R.
中科院分区:
医学1区
文献类型:
--
作者:
Clancy, J. P.;Dupont, L.;Gupta, R.

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基本原理 阿里卡斯(Arikace)是一种用于气雾剂给药的脂质体阿米卡星制剂,对铜绿假单胞菌有强大的杀灭作用,并能在肺部长期沉积。 目的 研究每日一次使用阿里卡斯持续28天在慢性感染铜绿假单胞菌的囊性纤维化(CF)患者中的安全性和有效性。 方法 在双盲、安慰剂对照研究中对105名受试者进行了评估。受试者被随机分为每日一次使用阿里卡斯(70毫克、140毫克、280毫克和560毫克;分别有7名、5名、21名和36名受试者)组或安慰剂(n = 36)组,持续28天。主要结果包括安全性和耐受性。次要结果包括肺功能(一秒用力呼气量(FEV1))、痰液中铜绿假单胞菌密度以及囊性纤维化生活质量问卷修订版(CFQ - R)。 结果 阿里卡斯组和安慰剂组受试者的不良事件情况相似。在第28天(p = 0.033)和第56天(治疗后28天,0.093升±0.203与 - 0.032升±0.119;p = 0.003),560毫克剂量组的FEV1相对变化高于安慰剂组。与安慰剂组相比,560毫克组痰液中铜绿假单胞菌密度降低>1个对数(第14天、第28天和第35天;p = 0.021)。在67%的阿里卡斯(560毫克)受试者中,CFQ - R的呼吸领域增加了最小临床重要差异(MCID),而安慰剂组为36%(p = 0.006),并且与第14天、第28天和第42天的FEV1改善相关(p(此处原文似乎不完整))
RationaleArikace is a liposomal amikacin preparation for aerosol delivery with potent Pseudomonas aeruginosa killing and prolonged lung deposition.ObjectivesTo examine the safety and efficacy of 28days of once-daily Arikace in cystic fibrosis (CF) patients chronically infected with P aeruginosa.Methods105 subjects were evaluated in double-blind, placebo-controlled studies. Subjects were randomised to once-daily Arikace (70, 140, 280 and 560mg; n=7, 5, 21 and 36 subjects) or placebo (n=36) for 28days. Primary outcomes included safety and tolerability. Secondary outcomes included lung function (forced expiratory volume at one second (FEV1)), P aeruginosa density in sputum, and the Cystic Fibrosis Quality of Life QuestionnaireRevised (CFQ-R).ResultsThe adverse event profile was similar among Arikace and placebo subjects. The relative change in FEV1 was higher in the 560mg dose group at day 28 (p=0.033) and at day 56 (28days post-treatment, 0.093L +/- 0.203 vs -0.032L +/- 0.119; p=0.003) versus placebo. Sputum P aeruginosa density decreased >1 log in the 560mg group versus placebo (days 14, 28 and 35; p=0.021). The Respiratory Domain of the CFQ-R increased by the Minimal Clinically Important Difference (MCID) in 67% of Arikace subjects (560mg) versus 36% of placebo (p=0.006), and correlated with FEV1 improvements at days 14, 28 and 42 (p