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Short-term lower leg growth rate in children with rhinitis treated with intranasal mometasone furoate and budesonide.

Author(s): Agertoft L, Pedersen S

Affiliation(s): Department of Pediatrics, Kolding Hospital, Kolding, Denmark.

Publication date & source: 1999-11, J Allergy Clin Immunol., 104(5):948-52.

Publication type: Clinical Trial; Randomized Controlled Trial

BACKGROUND: Mometasone furoate (MF) aqueous nasal spray is a potent intranasal glucocorticoid with low systemic bioavailability. Knemometry has been shown to be a sensitive method of detecting systemic effects of exogenous steroids in children. OBJECTIVE: We sought to assess whether MF (100 or 200 microg) or budesonide intranasal aqueous spray (400 microg) influences the short-term lower leg growth rate in children with seasonal or perennial allergic rhinitis. METHODS: MF, budesonide, and placebo were administered once daily for 2 weeks to 22 children aged 7 to 12 years (mean, 10 years) in a randomized, double-blind, crossover study. Lower leg measurements were done before and after each 2-week treatment period. Two-week washout intervals separated each treatment period. RESULTS: There were no significant differences in lower leg growth rates among the MF 200 microg (0.95 +/- 0.79 mm; mean +/- SD), budesonide 400 microg (0.73 +/- 0.61 mm), or placebo (0.69 +/- 0.70 mm) groups. The growth rate of the group receiving a 100-microg dose of MF (1.16 +/- 0.67 mm) was greater than that for the group receiving placebo (P =.024) or budesonide (P =.033). No statistically significant sequence effect (P =.11), carry-over effect (P =.24), overall treatment effect (P =.086), or period effect (P =.065) was detected. CONCLUSION: No short-term adverse effects on linear lower leg growth rates were detected after once daily MF or budesonide at clinically relevant doses.

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