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.
中科院分区:
文献类型:
--
作者:
Clancy, J. P.;Dupont, L.;Gupta, R.
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