Inhaled Corticosteroid Therapy Does Not Control Asthma

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dc.contributor.authorCowie, Robert L
dc.contributor.authorUnderwood, Margot F
dc.contributor.authorField, Stephen K
dc.date.accessioned2018-09-27T12:20:09Z
dc.date.available2018-09-27T12:20:09Z
dc.date.issued2004-01-01
dc.date.updated2018-09-27T12:20:09Z
dc.description.abstractBACKGROUND: Randomized clinical trials demonstrate efficacy and show that inhaled corticosteroid therapy can control asthma, but details concerning their effectiveness in achieving this goal in the community are lacking.OBJECTIVES: To determine whether inhaled corticosteroid therapy is effective in controlling asthma and to examine the rates of asthma control in relation to inhaled corticosteroid use outside the realm of randomized controlled trials.METHODS: Different populations were examined cross-sectionally to determine whether self-reported use of inhaled corticosteroids was associated with control of asthma. Subjects with asthma in the community and those attending a university-based asthma program were studied. The definition of asthma control was based on the recommendations of the Canadian Consensus Report. The elements of asthma control were examined in the context of the subject's stated use and dose of the inhaled corticosteroid.RESULTS: Asthma was controlled in 20% (95% CI 18.7% to 21.3%) of the 3427 subjects included in the present study. Only 15% (95% CI 13.5% to 16.5%) of the 2437 subjects using inhaled corticosteroids exhibited asthma control compared with 33% (95% CI 31.1% to 35.9%) of the 990 subjects not using inhaled corticosteroids (Pud_less_than0.000001).CONCLUSIONS: Although it is known that inhaled corticosteroid therapy can result in asthma control in most individuals with asthma, the present study has shown that this result may not be attained outside the realm of randomized clinical trials. Inhaled corticosteroid use for asthma in a 'real world' setting appears to reflect disease severity.
dc.description.versionPeer Reviewed
dc.identifier.citationRobert L Cowie, Margot F Underwood, and Stephen K Field, “Inhaled Corticosteroid Therapy Does Not Control Asthma,” Canadian Respiratory Journal, vol. 11, no. 8, pp. 555-558, 2004. doi:10.1155/2004/967972
dc.identifier.doihttps://doi.org/10.1155/2004/967972
dc.identifier.urihttp://hdl.handle.net/1880/108569
dc.language.rfc3066en
dc.rights.holderCopyright © 2004 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
dc.titleInhaled Corticosteroid Therapy Does Not Control Asthma
dc.typeJournal Article
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