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Combination fluticasone and salmeterol versus fixed dose combination budesonide and formoterol for chronic asthma in adults and children.

Abstract：

BACKGROUND:Combination therapies are frequently recommended as maintenance therapy for people with asthma, whose disease is not adequately controlled with inhaled steroids. Fluticasone/salmeterol (FP/SAL) and budesonide/formoterol (BUD/F) have been assessed against their respective monocomponents, but there is a need to compare these two therapies on a head-to-head basis. OBJECTIVES:To estimate the relative effects of fluticasone/salmeterol and budesonide/formoterol in terms of asthma control, safety and lung function. SEARCH STRATEGY:We searched the Cochrane Airways Group register of trials with prespecified terms. We performed additional hand searching of manufacturers' web sites and online trial registries. Searches are current to May 2008. SELECTION CRITERIA:Randomised studies comparing fixed dose FP/SAL and BUD/F were eligible, for a minimum of 12 weeks. Crossover studies were excluded. Our primary outcomes were: i) exacerbations requiring oral steroid bursts, ii) hospital admission and iii) serious adverse events. DATA COLLECTION AND ANALYSIS:Two authors independently assessed studies for inclusion in the review. We combined continuous data outcomes with a mean difference (MD), and dichotomous data outcomes with an odds ratio (OR). MAIN RESULTS:Five studies met the review entry criteria (5537 participants). PRIMARY OUTCOMES:The odds of an exacerbation requiring oral steroids did not differ significantly between treatments (OR 0.89; 95% CI 0.73 to 1.09, three studies, 4515 participants). The odds of an exacerbation leading hospital admission were also not significantly different (OR 1.29; 95% CI 0.68 to 2.47, four studies, 4879 participants). The odds of serious adverse events did not differ significantly between treatments (OR 1.47; 95% CI 0.75, 2.86, three studies, 4054 participants). SECONDARY OUTCOMES:Lung function outcomes, symptoms, rescue medication, exacerbations leading ED visit/hospital admission and adverse events were not significantly different between treatments. AUTHORS' CONCLUSIONS:The evidence in this review indicates that differences in the requirement for oral steroids and hospital admission between BUD/F and FP/SAL do not reach statistical significance. However, the confidence intervals do not exclude clinically important differences between treatments in reducing exacerbations or causing adverse events. The width of the confidence intervals for the primary outcomes justify further trials in order to better determine the relative effects of these drug combinations. Although this review sought to assess the effects of these drugs in both adults and children, no trials were identified in the under-12s and research in this area is of a high priority.

journal_name

Cochrane Database Syst Rev

journal_title

The Cochrane database of systematic reviews

authors

Lasserson TJ,Cates CJ,Ferrara G,Casali L

doi

10.1002/14651858.CD004106.pub3

subject

Has Abstract

pub_date

2008-07-16 00:00:00

pages

CD004106

issue

issn

1469-493X

pub_type

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Combination fluticasone and salmeterol versus fixed dose combination budesonide and formoterol for chronic asthma in adults and children.