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Prim Care Respir J. 2013 Dec;22(4):439-48. doi: 10.4104/pcrj.2013.00088.

Clinical and cost effectiveness of switching asthma patients from fluticasone-salmeterol to extra-fine particle beclometasone-formoterol: a retrospective matched observational study of real-world patients.

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1
Academic Centre of Primary Care, University of Aberdeen, UK • Research in Real Life Ltd, Cambridge, UK.

Abstract

BACKGROUND:

Efficacy trials suggest that extra-fine particle beclometasone dipropionate-formoterol (efBDP-FOR) is comparable to fluticasone propionate-salmeterol (FP-SAL) in preventing asthma exacerbations at a clinically equivalent dosage. However, switching from FP-SAL to efBDP-FOR has not been evaluated in real-world asthma patients.

AIMS:

The REACH (Real-world Effectiveness in Asthma therapy of Combination inHalers) study investigated the clinical and cost effectiveness of switching typical asthma patients from FP-SAL to efBDP-FOR.

METHODS:

A retrospective matched (1:3) observational study of 1,528 asthma patients aged 18-80 years from clinical practice databases was performed. Patients remaining on FP-SAL (n=1,146) were compared with those switched to efBDP-FOR at an equivalent or lower inhaled corticosteroid (ICS) dosage (n=382). Clinical and economic outcomes were compared between groups for the year before and after the switch. Non-inferiority (at least equivalence) of efBDP-FOR was tested against FP-SAL by comparing exacerbation rates during the outcome year.

RESULTS:

efBDP-FOR was non-inferior to FP-SAL (adjusted exacerbation rate ratio 1.01 (95% CI 0.74 to 1.37)). Switching to efBDP-FOR resulted in significantly better (p<0.05) odds of achieving overall asthma control (no asthma-related hospitalisations, bronchial infections, or acute oral steroids; salbutamol ≤200μg/day) and lower daily short-acting β2-agonist usage at a lower daily ICS dosage (mean -130μg/day FP equivalents; p<0.001). It also reduced mean asthma-related healthcare costs by £93.63/patient/year (p<0.001).

CONCLUSIONS:

Asthma patients may be switched from FP-SAL to efBDP-FOR at an equivalent or lower ICS dosage with no reduction in clinical effectiveness but a significant reduction in cost.

PMID:
24186700
DOI:
10.4104/pcrj.2013.00088
[Indexed for MEDLINE]
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