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The effects of regular inhaled formoterol, budesonide, and placebo on mucosal inflammation and clinical indices in mild asthma

Wallin, Annika, Sandström, Thomas, Söderberg, Margaetha, Howarth, Peter H., Lundbäck, Bo, Della-Cioppa, Giovanni, Wilson, Susan J., Judd, Mary, Djukanović, Ratko, Holgate, Stephen T., Lindberg, Anne, Larssen, Lars and Melander, Bo (1999) The effects of regular inhaled formoterol, budesonide, and placebo on mucosal inflammation and clinical indices in mild asthma American Journal of Respiratory and Critical Care Medicine, 159, (1), pp. 79-86. (PMID:9872822).

Record type: Article


The present study was designed to observe the effects of 8 wk of treatment with formoterol (Foradil) 24 microgram, budesonide 400 microgram, and matched placebo inhaled twice a day on inflammatory indices in the bronchial mucosa of 64 patients with mild atopic asthma. Biopsies were obtained at the start and 1 wk before stopping a 9-wk period of treatment, and inflammatory cell numbers were assessed in the submucosa and epithelium by immunohistochemistry. Regular formoterol significantly reduced the number of submucosal mast cells, with a similar trend for eosinophils but not activated T cells. A subgroup analysis conducted in biopsies with >= 10 eosinophils per mm2 revealed a significant reduction in eosinophil numbers when compared with both pretreatment baseline (p < 0.01) and changes after placebo (p < 0.01). Parallel, but less pronounced, effects were observed on mast cell but not on CD25(+) T cell numbers. There was no effect of any of the three treatments on BAL levels of mast cell or eosinophil mediators. We conclude that regular treatment with inhaled formoterol reduces rather than increases inflammatory cells in the mucosa of asthmatic patients. It is possible that these cellular effects of formoterol may contribute to the therapeutic efficacy of this drug when used regularly in the treatment

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Published date: January 1999


Local EPrints ID: 191015
ISSN: 1073-449X
PURE UUID: 3981d165-bb01-4d61-8ff2-49421add4aea
ORCID for Ratko Djukanović: ORCID iD

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Date deposited: 21 Jun 2011 08:37
Last modified: 18 Jul 2017 11:36

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Author: Annika Wallin
Author: Thomas Sandström
Author: Margaetha Söderberg
Author: Bo Lundbäck
Author: Giovanni Della-Cioppa
Author: Susan J. Wilson
Author: Mary Judd
Author: Anne Lindberg
Author: Lars Larssen
Author: Bo Melander

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