Open Access Research Article Article ID: Allergy-3-118

    The Benefit of Montelukast in Atopic Dermatitis Induced by Food Allergies

    Isaac Melamed*, Lacey Robinson and Melinda Heffron

    Background: Cysteinyl leukotriene levels are elevated in patients with atopic dermatitis, which can lead to eosinophilic infiltration of the gastrointestinal tract. 

    Objective: We examined the role that montelukast (a leukotriene receptor antagonist) might play in improving symptoms of atopic dermatitis induced by food allergies.

    Methods: We conducted a randomized, double-blind, placebo-controlled, parallel group study in 20 children, aged 1 to 8 years, with 4 study visits every 3 weeks for 9 weeks. Primary inclusion criteria consisted of: 1) positive reactivity to food (indicated by skin or RAST test); 2) 10–25 % body area affected with atopic dermatitis; and 3) gastrointestinal symptoms. Liquid cetirizine and 1% hydrocortisone cream were both given as rescue medications for atopic dermatitis flare-ups. Pruritis and atopic dermatitis flare-up scores were used to collect clinical data. Laboratory values for nerve growth factor were evaluated pre- and post-treatment. 

    Results: Our main endpoints were the effects of montelukast on the clinical presentation of atopic dermatitis. When comparing the treatment group to placebo, we noted a significant reduction in the pruritis score (p=0.002); a trend toward a reduction in the use of rescue medication (cetirizine: p=0.056; hydrocortisone cream: p=0.056); and a reduction in the level of nerve growth factor; mean values: placebo=3.06 to montelukast=2.59.

    Conclusion: The inflammatory pathway triggered by food allergies that may lead to atopic dermatitis can be modulated with montelukast. Furthermore, nerve growth factor may play a role in the pathogenesis of atopic dermatitis and montelukast may modify this pathway.


    Published on: May 4, 2017 Pages: 13-18

    Full Text PDF Full Text HTML DOI: 10.17352/2455-8141.000018
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