One-year Survey of Anaphylaxis in Outpatient Children Allergic to Peanuts, Walnuts/Hazelnuts, Shellfish

Study Overview
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Brief Summary
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In Italy, few data about anaphylaxis due to peanuts in pediatric age are available, conversely data about walnuts/hazelnuts, shellfish/mollusks anaphylaxis have not yet been collected. Children with physician-confirmed food allergy to peanuts, walnuts/hazelnuts and shellfish/mollusks will be recruited from 9 allergy clinics located in the Italian Territory (Bologna, Lecce, Napoli, Palermo, Parma, Pavia, Roma, Torino, Trento). Parent of food allergic children will compile a food allergy questionnaire (questions about general information on the family, on life and food habits, on indoor environment, on health status, on clinical aspects of the allergy, on the access to diagnostic and treatment resources). Parent of healthy children will compile a control questionnaire (questions about general information on the family, on life and food habits and on indoor environment) The 1-year survey will determine the frequency of anaphylaxis in allergic outpatient children.

Official Title
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One-year Survey of Anaphylaxis in Outpatient Children Allergic to Peanuts, Walnuts/Hazelnuts, Shellfish

Conditions
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Food Allergy

Intervention / Treatment
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* Other: Food allergy questionnaire
* Other: Control Questionnaire


Participation Criteria
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Eligibility Criteria
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Inclusion criteria Cases: 0-14 years old patients with food allergy to peanuts, walnuts/hazelnuts, shellfish/mollusks. Controls: 0-14 years old subjects without allergy to peanuts, walnuts/hazelnuts, shellfish/mollusks. Exclusion criteria Patients/subjects in acute phase of disease or with not controlled chronic pathologies; missing written informed consent by parents

Ages Eligible for Study
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Minimum Age: 1 Year
Maximum Age: 14 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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No

Study Plan
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How is the study designed?
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Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Children with food allergy<br>Children with food allergy to nuts, hazelnuts, walnuts, shellfish and mollusks (1-14 years old). The Parents of the cases children will compile a Food allergy questionnaire | Other: Food allergy questionnaire<br>* The Parents of the cases children will compile a questionnaire including questions about general information on the family, on life and food habits, on indoor environment, on health status, on clinical aspects of the allergy, on the access to diagnostic and treatment resources<br>|
| Healthy Children<br>Healthy Children (1-14 years old) The Parents of the control children will compile a Control questionnaire | Other: Control Questionnaire<br>* The Parents of the control children will compile a questionnaire including questions about general information on the family, on life and food habits and on indoor environment.<br>|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Frequency of Anaphylaxis in 1 year | To determine the frequency of anaphylaxis in allergic outpatient children | 1 year | 

 Terms related to the study
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Keywords Provided by Centre Hospitalier Valida
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Children, Allergy, Peanuts, Hazelnuts, Walnuts, Mollusks, Shellfish, Food