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Inhaled steroids, in particular beclomethasone, are widely prescribed in Italy as symptomatic treatment of upper respiratory infections without evidence of efficacy.
The purpose of this study is to evaluate the efficacy of beclomethasone (administered by nebuliser twice a day) in preventing viral wheezing in pre-school children who had had episodes in the preceding 12 months.
Full description
Viral wheezing (intermittent episodes of wheezing induced by viral infection of the upper respiratory tract) is a common condition in pre-school children. Its incidence is estimated between 6 and 30% and varies depending on criteria, diagnosis, and age definition used. Viral wheezing, however, is different from atopic asthma, since in 60% of cases symptoms disappear before the age of 6 . The efficacy of drug treatments in the prevention and/or treatment of viral wheezing is controversial; short acting beta 2 agonists are often considered first choice therapies even if evidence is scarce The usefulness of inhaled steroids is also debated: no benefits are documented for maintenance with low dose inhaled corticosteroids, while their episodic use at a high dose may have a modest improvement in symptoms. Despite the scant evidence, however, nebulised steroids in particular beclomethasone, are widely prescribed in Italy as prophylaxis or treatment for viral wheezing. Beclometasone is the third most prescribed drug in Italian children, with a prevalence estimated around 15% A randomized placebo-controlled trial was therefore planned to evaluate the effectiveness of nebulised beclometasone in preventing viral wheezing in children with upper respiratory tract infections. Besides investigating the drug efficacy, the study could also monitor the incidence of viral wheezing recurrence in preschool children, the disease's natural history and the different therapeutic approaches used by the physicians.
The study will involve 36 Italian family paediatricians from 9 local health units. Children will be randomized to receive beclomethasone or placebo.
The treatment period will last 10 days, and it will be followed by an observational 6 month follow-up period.
Three visits are scheduled: the first at baseline, the second at the end of the treatment period and the third at the end of follow-up period.
During the 10 day treatment period, symptoms will be recorded by the parents on a diary. A clinical evaluation will be performed by the paediatrician during the entry visit and at the end of the treatment period. Moreover, parents will be requested to contact the paediatrician if wheezing occurs during the treatment period and/or the child does not improve within 72 hours from the start of the therapy.
In case of wheezing and/or lack of improvement, paediatricians should visit the child, evaluate the presence of wheezing and rate it. A wheeze score will be assigned as follows: 0 = no wheezing, 1 = end-expiratory wheeze only, 2 = wheeze during entire expiratory with or without inspiratory phase, audible with stethoscope only, 3 = inspiratory and expiratory wheezing audible without stethoscope.
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576 participants in 2 patient groups, including a placebo group
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Data sourced from clinicaltrials.gov
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