To assess the value of immunoregulants in improving the prognosis of infants with wheezing.
Forty-three infants with wheezing with given oxygen support, injection or inhalation of glucocorticosteroids or bronchodilatator to relieve the symptoms. Of these infants, 24 received immunoregulant treatment with bronchovaxom at the daily dose of 3.5 mg for 10 days every a month for a treatment course of 3 months. The other 19 infants were managed with budesonide aerosol at 200 microg once or twice daily for 3 months (basic treatment group). All the infants were followed up for 1 year to record the number of wheezing episode and infections. Ten healthy infants were also included in this study as the control group.
In infants with bronchovaxom treatment, 25% reported more than 3 wheezing episodes within the 1-year follow-up, a rate significantly lower than that in the control group (63.2%, Chi(2)=6.344, P<0.05). The episodes of respiratory infection were similar between bronchovaxom group and the healthy control group (t=0.72, P>0.05), but significantly higher in the basic treatment group than in bronchovaxom and the healthy control group (t=3.11 and 3.92, respectively. P<0.05).
Bronchovaxom can effectively reduce the recurrence of wheezing and respiratory infections in the infants with wheezing attack to reduce the risks of asthma development.
[Show abstract][Hide abstract] ABSTRACT: This study was conducted to assess the efficacy of OM-85 BV (Broncho-Vaxom) in the prevention of pediatric recurrent respiratory tract infections (RTIs). Available evidence suggests that defining recurrent RTIs as >or=3 infections per fall-winter semester is both medically and epidemiologically justified. Therefore, this criterion was chosen as a primary endpoint.
Trials were identified through consultation of bibliographic databases and other channels. Eleven non-blinded studies plus one dealing with primary prevention were excluded and eight randomized controlled trials were included in the meta-analysis. The data were compared at 6 months, which represented the end of most studies. The complete database was examined according to the guidelines of the Cochrane collaboration.
The mean age of children and the number of RTIs in the preceding year were comparable at admission. Of the patients in the OM-85 BV treated population (n=435), 32% had recurrent RTIs (that is, >or=3 RTIs/6 months) vs. 58.2% in the placebo treated population (n=416; P<0.001). Sensitivity analysis showed that this was not driven by any particular trial. The results of this review were also positive for the active treatment regarding the secondary variables, which were represented by the number of patients with at least one RTI and the mean number of RTIs.
This meta-analysis shows, as observed in several individual trials, that the population treated with OM-85 BV had significantly and consistently fewer cases of recurrent RTIs. The data suggest that the effect is greater in patients at increased risk of recurrent RTIs.
World Journal of Pediatrics 02/2010; 6(1):5-12. DOI:10.1007/s12519-010-0001-x · 1.05 Impact Factor
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