氟替卡松/福莫特罗联合与布地奈德/福莫特罗联合治疗哮喘:有关疗效和安全性的随机、对照、非劣效性研究
2012/12/24
摘要
目的:目前,已经将皮质类固醇丙酸氟替卡松(氟替卡松)和长效β2受体激动剂富马酸福莫特罗(福莫特罗)混合成氟替卡松/福莫特罗(flutiform(®))进行吸入治疗。本研究比较氟替卡松/福莫特罗联合治疗与布地奈德/福莫特罗(Symbicort(®) Turbohaler(®))联合治疗的疗效和安全性。
方法:本试验为一项随机、双盲、双模拟、多中心的III期临床研究,由7±3天的筛查期、2~4周的试运行期和12周的治疗期组成。患者年龄≥12岁,筛查前患有中度至重度哮喘,病程≥6个月,FEV1为50-80%预测值,沙丁胺醇吸入治疗后有≥15%的可逆性。这些患者随机采用氟替卡松/福莫特罗(250/10 μg)每日两次(n=140)治疗,或布地奈德/福莫特罗(400/12 μg)每日两次(n=139)治疗。
结果:有关主要终点(12周时相对基线状态的用药前FEV1变化值),两组之间无显著差异。LS平均治疗差异为-0.044 L,其95%可信区间(CI)低值要高于先前设定的非劣效性阈值(-0.2L)(95% CI: -0.130, 0.043L; p<0.001)。对于次要终点(12周时给药后2 h与基线状态给药前相比FEV1的变化、由于无效导致的撤药),也观察到非劣效性。对于所有其他的次要终点,两个治疗组均有相似的结果。氟替卡松/福莫特罗治疗哮喘具有较好的安全性,与布地奈德/福莫特罗类似。
结论:本研究显示,氟替卡松/福莫特罗和布地奈德/福莫特罗治疗哮喘,在12周与基线状态下给药前FEV1变化方面无显著差异。两种治疗方式在所有次要终点上的结果也类似。
(苏楠 审校)
J Asthma. 2012 Oct 26. [Epub ahead of print]
Fluticasone/Formoterol Combination Therapy versus Budesonide/Formoterol for the Treatment of Asthma: A Randomized, Controlled, Non-Inferiority Trial of Efficacy and Safety.
Bodzenta-Lukaszyk A, Buhl R, Balint B, Lomax M, Spooner K, Dissanayake S.
Source
Department of Allergology and Internal Medicine, Medical University of Białystok , Białystok , Poland.
Abstract
OBJECTIVES:The inhaled corticosteroid fluticasone propionate (fluticasone) and the long-acting β(2) agonist formoterol fumarate (formoterol) have been combined in a single aerosol inhaler fluticasone/formoterol (flutiform(®)). This study compared the efficacy and safety of fluticasone/formoterol with the combination product budesonide/formoterol (Symbicort(®) Turbohaler(®)).
METHODS:A randomized, double-blind, double-dummy, multicenter, Phase 3 study comprising a 7- (±3) day screening, 2-4-week run-in, and 12-week treatment periods. Patients aged ≥12 years with moderate to severe persistent asthma for ≥6 months before screening and forced expiratory volume in one second (FEV(1)) 50-80% predicted and ≥15% reversibility following salbutamol inhalation were randomized to fluticasone/formoterol 250/10 μg twice daily (n = 140) or budesonide/formoterol 400/12 μg twice daily (n = 139).
RESULTS:Fluticasone/formoterol was comparable to budesonide/formoterol with respect to the primary endpoint, change in pre-dose FEV(1) from baseline to Week 12. The LS mean treatment difference was -0.044 L, with a lower 95% confidence interval (CI) greater than the pre-defined non-inferiority limit of -0.2 L (95% CI: -0.130, 0.043 L; p < 0.001). Non-inferiority was also demonstrated for the secondary endpoints mean change in FEV(1) from baseline (pre-dose) to 2 hours post-dose at Week 12, and discontinuations due to lack of efficacy. Similar results were obtained for both treatment groups for all other secondary endpoints. Fluticasone/formoterol had a good safety profile that was comparable with budesonide/formoterol.
CONCLUSIONS:This study demonstrated comparable efficacy of fluticasone/formoterol to budesonide/formoterol in terms of the primary endpoint, change in pre-dose FEV(1) from baseline to Week 12. This was supported by comparable results for both treatments for all secondary endpoints.
J Asthma. 2012 Oct 26. [Epub ahead of print]
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