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Evaluation of theophylline or pranlukast, a cysteinyl leukotriene receptor 1 antagonist, as add-on therapy in uncontrolled asthmatic patients with a medium dose of inhaled corticosteroids

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A few studies compared the additional effects of oral controller medicines on pulmonary function in asthmatic patients on a moderate dose of inhaled steroids. The aim of this study was to compare the additional effects of two oral asthma controllers, a leukotriene receptor antagonist and a sustained released theophylline (Theo), with a moderate dose of inhaled steroid on peak expiratory flow (PEF) and asthma-related symptoms. A total of 67 adult asthmatic patients with PEF <80% predicted during a 2-week run-in period with 800 g/day of beclomethasone dipropionate were randomized to receive either pranlukast, 450 mg/day (n = 33), or sustained released Theo, 200 mg/day (n = 34), for 4 weeks. Pranlukast and Theo did not significantly alter the symptom scores, use of rescue 2-agonist, and daily PEF variability. However, both agents significantly increased both morning and evening PEF compared with the run-in periods. The effects of both medications were comparable. For asthmatic patients even on a moderate dose of inhaled steroids, the addition of either leukotriene receptor antagonist or sustained released Theo does not improve asthma-related symptoms but significantly and equally increases PEF.

Document Type: Research Article

Publication date: July 1, 2005

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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