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Pediatr Pulmonol. 2004 Sep;38(3):250-5.

Inhaled fluticasone dipropionate decreases levels of nitric oxide in recurrenty wheezy infants.

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Department of Respiratory Medicine, University Children's Hospital, Z├╝rich, Switzerland.


We examined the effect of inhaled fluticasone diproprionate (FDP) on symptoms, lung function (FEV(0.5)), and exhaled nitric oxide (Fe(NO)) in infants with recurrent wheeze and raised Fe(NO). Thirty-one infants aged 6-19 months (mean, 12.7 months; 12 girls) completed the study. All infants had a history of recurrent wheeze and a parental history of atopy. All children had raised Fe(NO), as determined by an offline tidal breathing technique prior to randomization. Lung function and Fe(NO) were assessed before and after 4 weeks of treatment with FDP or placebo. The parents recorded daily symptoms during the treatment period. Sixteen infants received FDP and 15 the placebo for 4 weeks. At completion of the study, infants treated with FDP had a significant reduction in Fe(NO) (35.0 ppb to 16.5 ppb) compared to those that received placebo (35.2 ppb to 30.2 ppb) (P = 0.05). Small increases in FEV(0.5) were observed in both groups, but these changes were not different between groups (P = 0.8). Symptom scores were not significantly different in either group following the intervention. We showed that a moderate dose of inhaled FDP reduces levels of Fe(NO), a potential marker of airway inflammation, even in the absence of significant changes in lung function and symptoms.

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