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  • Title: The oral food desensitization in the Italian allergy centres.
    Author: Meglio P, Caminiti L, Pajno GB, Dello Iacono I, Tripodi S, Verga MC, Martelli A, SIAIP Group.
    Journal: Eur Ann Allergy Clin Immunol; 2015 May; 47(3):68-76. PubMed ID: 25951144.
    Abstract:
    BACKGROUND: Attempts aimed at inducing food tolerance through oral food desensitization (OFD) for the treatment of IgE-mediated food allergies are increasing. In Italy, a number of allergy centres offer this procedure. OBJECTIVE: To collect information on how these centres are organized, how patients are selected, the methods used to administer OFD and how adverse reactions are managed. METHODS: A questionnaire was e-mailed to all the Italian allergy centres offering OFD. RESULTS: The survey shows a high degree of variability between centres. A correct diagnosis of food allergy is crucial for selecting patients for OFD. In the Italian allergy centres, oral food challenges are mostly open label (84%), but in 16% of cases they are single-blind (8%) or double-blind (8%). A high proportion of allergy centres (83%) offer OFD to children presenting forms of anaphylaxis triggered by traces--or very low doses--of food allergen. The majority of allergy centres (76%) enroll patients over 3 years of age, with 44% enrolling patients above the age of 5. Not-controlled asthma, unreliability of parents in the management of OFD and/or risk of adverse events, are the main reasons for exclusion from the procedure. CONCLUSION: Although OFD may sometimes be successful and may be considered a valid alternative to an elimination diet, further randomized controlled trials are needed, in order to clarify some controversial points, such as the characteristics of the child undergoing OFD, and the methods of food preparation and administration. Moreover, further studies should further investigate OFD safety, efficacy and costs.
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