Published 31 March 2009, doi:10.1136/bmj.b897
Cite this as: BMJ 2009;338:b897

Research

The effect of high dose inhaled corticosteroids on wheeze in infants after respiratory syncytial virus infection: randomised double blind placebo controlled trial

¹ Department of Paediatric Infectious Diseases, Wilhelmina Children’s Hospital, University Medical Centre Utrecht, PO Box 85090, 3508 AB Utrecht, Netherlands, ² Julius Centre for Health Sciences and Primary Care, University Medical Centre Utrecht, Netherlands, ³ Department of Paediatric Intensive Care, Emma Children’s Hospital, Academic Medical Centre, Amsterdam, Netherlands

Objective To determine whether early initiated anti-inflammatory therapy with prolonged high dose inhaled glucocorticoids influences the occurrence and severity of recurrent wheeze after respiratory syncytial virus related lower respiratory tract infections.

Design Randomised double blind placebo controlled trial.

Setting Paediatric departments of 19 Dutch clinical centres.

Participants 243 previously healthy infants (126 boys, 117 girls) aged less than 13 months and admitted to hospital with respiratory syncytial virus infection.

Interventions 200 µg extra fine hydrofluoroalkane (HFA) beclometasone dipropionate twice daily or matched placebo administered by a pressurised metered dose inhaler and a spacer during the first three months after hospital admission.

Main outcome measure The primary outcome was the number of days with wheeze in the year after the three month intervention period.

Results Of the 243 eligible infants, 119 were randomised to receive beclometasone and 124 to receive placebo. No significant difference was found in the number of days with wheeze between the two groups (total days, 1761/33 568 in the beclometasone group v 2301/36 556 in the placebo group, P=0.31) and the proportion of infants with wheeze did not differ between the groups (61% in the beclometasone group v 62% in the placebo group, P=0.90). In the predefined subgroup of infants who did not need mechanical ventilation (n=221), beclometasone reduced the number of days with wheeze by 32% (relative reduction in total days, 1315/30 405 in the beclometasone group v 2120/33 149 in the placebo group, P=0.046). This reduction was most pronounced during the first six months of the follow-up year after intervention. The proportion of infants with wheeze did not differ between the groups (59% in the beclometasone group v 60% in the placebo group, P=0.89).

Conclusions Early initiated high dose extra fine HFA beclometasone to infants during the first three months after hospital admission for respiratory syncytial virus infection has no major effect on recurrent wheeze. The general use of such treatment during lower respiratory tract infection with respiratory syncytial virus should not be advocated.

Trial registration Current Controlled Trials ISRCTN12352714 [controlled-trials.com] .

© Ermers et al 2009
This is an open-access article distributed under the terms of the Creative Commons Attribution Non-commercial License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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