Effect of therapeutic doses of mometasone furoate on cortisol levels in children with mild asthma

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Abstract:

Corticosteroids are the foundation of pharmacologic treatment for children with asthma. However, high-dose inhaled corticosteroid treatment can cause hypothalamic-pituitary-adrenal (HPA) axis suppression. We investigated the effect of three doses of mometasone furoate administered via dry-powder inhaler (MF-DPI) on the HPA axis in children. Fifty children (6‐11 years) with mild asthma of ≥6 months' duration were randomized to MF-DPI, 100 (n = 13), 200 (n = 13), or 400 micrograms b.i.d. (n = 12), or placebo (n = 12) for 29 days. The primary end point was change from baseline in the 12-hour area under the plasma-cortisol-concentration-time curve (AUC). Secondary parameters included plasma cortisol response to cosyntropin stimulation and 24-hour urinary free cortisol concentrations. Compared with placebo, AUC changes associated with treatments of MF-DPI, 100 or 200 micrograms b.i.d., were not significant, whereas a significant change was observed with MF-DPI, 400 micrograms b.i.d. (27%; p = 0.05). Responses to cosyntropin stimulation and urinary cortisol measurements were similar to placebo with all MF-DPI doses. All regimens were well tolerated. MF-DPI did not have a significant effect on plasma or urinary cortisol levels at doses up to 200 micrograms b.i.d. in children with mild asthma. Higher MF-DPI doses may potentially suppress the HPA axis.

Keywords: AUC; Asthma; children; cortisol; cosyntropin; hypothalamic pituitary axis; inhaled corticosteroids; mometasone furoate; plasma cortisol; urinary free cortisol

Document Type: Research Article

DOI: http://dx.doi.org/10.2500/aap.2010.31.3305

Affiliations: Allegheny General Hospital, Pittsburgh, Pennsylvania, USA; Drexel University College of Medicine, Philadelphia, Pennsylvania, USA. dskoner@wpahs.org

Publication date: January 1, 2010

More about this publication?
  • Allergy and Asthma Proceedings is a peer reviewed publication dedicated to distributing timely scientific research regarding advancements in the knowledge and practice of allergy, asthma and immunology. Its primary readership consists of allergists and pulmonologists.

    The goal of the Proceedings is to publish articles with a predominantly clinical focus which directly impact quality of care for patients with allergic disease and asthma.

    Featured topics include asthma, rhinitis, sinusitis, food allergies, allergic skin diseases, diagnostic techniques, allergens, and treatment modalities. Published material includes peer-reviewed original research, clinical trials and review articles.

    Articles marked "F" offer free full text for personal noncommercial use only.

    The journal is indexed in Thomson Reuters Web of Science and Science Citation Index Expanded, plus the National Library of Medicine's PubMed service.
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