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

Status

Completed

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT02640560

Enrollment

200

Registered

2015-12-29

Start date

2012-10-31

Completion date

2014-04-30

Last updated

2015-12-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Food Allergy

Keywords

Children, Allergy, Peanuts, Hazelnuts, Walnuts, Mollusks, Shellfish, Food

Brief summary

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.

Interventions

OTHERFood allergy questionnaire

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

OTHERControl Questionnaire

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.

Study design

Observational model

CASE_CONTROL

Time perspective

RETROSPECTIVE

Eligibility

Sex/Gender

ALL

Age

1 Years to 14 Years

Healthy volunteers

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

Design outcomes

Primary

Measure	Time frame	Description
Frequency of Anaphylaxis in 1 year	1 year	To determine the frequency of anaphylaxis in allergic outpatient children

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026