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Randomized Controlled Trial
. 2012 Jun;23(4):385-90.
doi: 10.1111/j.1399-3038.2012.01280.x. Epub 2012 Mar 21.

Effect of clarithromycin on acute asthma exacerbations in children: an open randomized study

Ioanna Koutsoubari  1 , Vassiliki Papaevangelou, George N Konstantinou, Heidi Makrinioti, Paraskevi Xepapadaki, Dimitrios Kafetzis, Nikolaos G Papadopoulos
Affiliations
Randomized Controlled Trial

Effect of clarithromycin on acute asthma exacerbations in children: an open randomized study

Ioanna Koutsoubari et al. Pediatr Allergy Immunol. 2012 Jun.

Abstract

Background: Asthma exacerbations are major contributors to asthma morbidity and rather difficult to treat. There is inconclusive evidence that macrolide antibiotics may have an effect on asthma exacerbations through their antibacterial and/or anti-inflammatory properties. The aim of the study was to evaluate the efficacy of clarithromycin on medium-term asthma activity when given as an add-on therapy in children with acute asthma.

Methods: This pilot, open-labeled, randomized, prospective study included 40 school-aged children, with intermittent or mild persistent asthma, presenting with an acute exacerbation. Children were randomized to receive 15 mg/kg of clarithromycin for 3 wk, in addition to their regular (GINA-guided) exacerbation treatment. The microbial trigger of exacerbations was assessed by serology and PCR. Children were followed up with diary cards for 12 wk; lung function was assessed at entry, 3, and 12 wk after the exacerbation.

Results: Children in the clarithromycin group had significantly more symptom-free days (78 ± 2 vs. 69 ± 6 days, p < 0.00001) and less total number of periods with loss of control (9 vs. 19, respectively, p = 0.013) during the follow-up period, compared to controls. Moreover, treated children presented reduced duration of the index episode (5.0 ± 1 vs. 7.5 ± 1 days, p < 0.00001). Lung function did not differ between groups.

Conclusions: When added to regular treatment, a 3-wk course of clarithromycin was associated with an increase in the number of symptom-free days, reductions in the number and severity of days with loss of control following index episode, and a decrease in the duration of the initial asthma exacerbation.

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