alexa Effects of omalizumab in patients with food allergy.
Immunology

Immunology

Journal of Allergy & Therapy

Author(s): Rafi A, Do LT, Katz R, Sheinkopf LE, Simons CW

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Omalizumab is a novel therapy approved for treating patients with moderate to severe persistent allergic asthma with a serum IgE ranging from 30 to 700 IU/mL. We examined the efficacy of omalizumab as a treatment for IgE-mediated food allergy. An Institutional Review Board-approved prospective pilot study was performed to assess the efficacy of omalizumab in 22 patients with persistent asthma and concomitant IgE-mediated food allergy. All patients showed skin test positivity to foods and experienced allergic food reactions based on history. Patients were interviewed on unintentional and/or unauthorized exposures to sensitized foods. Thirteen female and nine male patients (range, 4-66 years old; mean, 38 years) were evaluated in a private practice setting. Mean IgE level was 1120.74 IU/mL. Sensitized allergens included fish, shellfish, peanuts, tree nuts, egg, soybean, and wheat. All 22 (100%) patients maintained significant improvement as shown by a decrease/lack of clinical symptoms on reexposure to sensitized foods. Clinical improvement by the sixth dosage of omalizumab (150-300 mg q. 2-4 weeks) was noted by history and physical examination. Eight patients noted a decrease in their food-induced atopic dermatitis, 13 patients noted a decrease in their food-induced asthma symptoms, 3 patients noted a decrease in their food-induced urticaria, 6 patients noted a decrease in their food-induced rhinosinusitis symptoms, and 9 patients showed efficacy for angioedema and/or anaphylaxis. While treating asthma patients with omalizumab, patients subjectively observed a reduction in their concomitant IgE-mediated food allergy symptoms.

This article was published in Allergy Asthma Proc. and referenced in Journal of Allergy & Therapy

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