Step-up therapy for children with uncontrolled asthma receiving inhaled corticosteroids

Robert F. Lemanske, David T. Mauger, Christine A. Sorkness, Daniel J. Jackson, Susan J. Boehmer, Fernando D. Martinez, Robert C. Strunk, Stanley J. Szefler, Robert S. Zeiger, Leonard B. Bacharier, Ronina A. Covar, Theresa W. Guilbert, Gary Larsen, Wayne J. Morgan, Mark H. Moss, Joseph D. Spahn, Lynn M. Taussig

Research output: Contribution to journalArticle

321 Scopus citations

Abstract

BACKGROUND: For children who have uncontrolled asthma despite the use of low-dose inhaled corticosteroids (ICS), evidence to guide step-up therapy is lacking. METHODS: We randomly assigned 182 children (6 to 17 years of age), who had uncontrolled asthma while receiving 100 μg of fluticasone twice daily, to receive each of three blinded step-up therapies in random order for 16 weeks: 250 μg of fluticasone twice daily (ICS step-up), 100 μg of fluticasone plus 50 μg of a long-acting beta-agonist twice daily (LABA step-up), or 100 μg of fluticasone twice daily plus 5 or 10 mg of a leukotriene-receptor antagonist daily (LTRA step-up). We used a triple-cross-over design and a composite of three outcomes (exacerbations, asthma-control days, and the forced expiratory volume in 1 second) to determine whether the frequency of a differential response to the step-up regimens was more than 25%. RESULTS: A differential response occurred in 161 of 165 patients who were evaluated (P<0.001). The response to LABA step-up therapy was most likely to be the best response, as compared with responses to LTRA step-up (relative probability, 1.6; 95% confidence interval [CI], 1.1 to 2.3; P = 0.004) and ICS step-up (relative probability, 1.7; 95% CI, 1.2 to 2.4; P = 0.002). Higher scores on the Asthma Control Test before randomization (indicating better control at baseline) predicted a better response to LABA step-up (P = 0.009). White race predicted a better response to LABA step-up, whereas black patients were least likely to have a best response to LTRA step-up (P = 0.005). CONCLUSIONS: Nearly all the children had a differential response to each step-up therapy. LABA step-up was significantly more likely to provide the best response than either ICS or LTRA step-up. However, many children had a best response to ICS or LTRA step-up therapy, highlighting the need to regularly monitor and appropriately adjust each child's asthma therapy.

Original languageEnglish (US)
Pages (from-to)975-985
Number of pages11
JournalNew England Journal of Medicine
Volume362
Issue number11
DOIs
StatePublished - Mar 18 2010

All Science Journal Classification (ASJC) codes

  • Medicine(all)

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    Lemanske, R. F., Mauger, D. T., Sorkness, C. A., Jackson, D. J., Boehmer, S. J., Martinez, F. D., Strunk, R. C., Szefler, S. J., Zeiger, R. S., Bacharier, L. B., Covar, R. A., Guilbert, T. W., Larsen, G., Morgan, W. J., Moss, M. H., Spahn, J. D., & Taussig, L. M. (2010). Step-up therapy for children with uncontrolled asthma receiving inhaled corticosteroids. New England Journal of Medicine, 362(11), 975-985. https://doi.org/10.1056/NEJMoa1001278