Fluticasone given once versus twice a day: Meta‐analysis

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Abstract
Objective:  The aim of this study was to examine the efficacy of fluticasone administered once daily compared to twice daily in asthma.Methodology:  A meta‐analysis was performed of randomized double‐blind trials of at least 4 weeks duration that compared fluticasone administered once versus twice a day and presented data on at least one clinical outcome measure.Results:  Six studies of 1517 children and adults with asthma met the inclusion criteria. Studies were predominantly in subjects with moderate asthma, treated with doses of fluticasone ranging from 200 to 500 µg per day. Twice‐daily dosing was associated with significantly greater efficacy compared with once‐daily dosing, for all outcome measures except night wakenings. The mean (95% CI) differences between twice and once‐daily administration for FEV1 and peak expiratory flow were 0.11 L (0.07–0.16) and 12.9 L/min (8.6–17.1), respectively. Twice‐daily fluticasone was associated with significantly fewer withdrawals due to asthma than once‐daily fluticasone, with an odds ratio of 0.44 (0.30–0.67).Conclusion:  The findings suggest that twice‐daily administration of fluticasone will provide greater therapeutic benefit than a once‐daily morning regimen.

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