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Linear growth and bone maturation are unaffected by 1 year of therapy with inhaled flunisolide hydrofluoroalkane in prepubescent children with mild persistent asthma: a randomized, double-blind, placebo-controlled trial.

Author(s): Bensch GW, Greos LS, Gawchik S, Kpamegan E, Newman KB

Affiliation(s): Allergy, Immunology, and Asthma Medical Group, Inc., Stockton, California 95207, USA. docbensch4@aol.com

Publication date & source: 2011-10, Ann Allergy Asthma Immunol., 107(4):323-9. Epub 2011 Sep 3.

Publication type: Research Support, Non-U.S. Gov't

BACKGROUND: Inhaled corticosteroids (ICS) are the preferred long-term therapy for subjects with persistent asthma. However, concerns remain about potential effects of long-term ICS use on growth in children. OBJECTIVE: To determine the effect of 1 year of inhalation therapy with flunisolide hydrofluoroalkane (HFA) on growth velocity and bone maturation in children with mild persistent asthma. METHODS: In this double-blind, placebo-controlled study, 218 prepubescent (Tanner Stage 1) children with mild persistent asthma ranging in age from 4 to 10 years were evaluated. After a 2-week run-in period, subjects were randomized (1:1) to 2 puffs flunisolide HFA twice daily (85 mug/puff) or placebo for 52 weeks. Height was assessed by stadiometry at each visit. Growth velocity (cm/52 weeks) was estimated by the slope of the linear regression of height over time. An independent assessor scored hand and wrist radiographs for bone development pretreatment and at week 52. Analysis of covariance was used for all efficacy endpoints. RESULTS: The 2 treatment groups were similar at baseline for sex, race, age, weight, and height. At the end of double-blind treatment, mean growth velocity was 6.01 +/- 1.84 cm/52 weeks for flunisolide HFA (n = 106) and 6.19 +/- 1.30 cm/52 weeks for placebo (n = 112) (P = .425). Mean advancement in bone age during the 1-year study was similar for the 2 groups: 0.93 +/- 0.46 years for flunisolide HFA (n = 70) and 1.01 +/- 0.41 years for placebo (n = 75) (P = .128). CONCLUSIONS: In this study, flunisolide HFA did not suppress growth or bone maturation at the highest approved dose for children with persistent asthma. Copyright (c) 2011 American College of Allergy, Asthma & Immunology. Published by Elsevier Inc. All rights reserved.

Page last updated: 2011-12-09

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