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Host and Environmental Factors Influencing the Development of Walnut and Cashew Allergy / Multicenter prospective cohort study

Host and Environmental Factors Influencing the Development of Walnut and Cashew nut Allergy / Multicenter prospective cohort study - Elucidation of Factors Influencing the Development of Walnut and Cashew nut Allergy

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
JPRN
Registry ID
JPRN-UMIN000054017
Enrollment
170
Registered
2024-03-30
Start date
2024-03-01
Completion date
Unknown
Last updated
2026-06-29

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

Conditions

Food allergy

Interventions

None listed

Sponsors

Department of Pediatrics and Clinical Research Center for Allergy and Rheumatology, National Hospital Organization Sagamihara National Hospital
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Patients with suspected food allergy seen at each study site who meet all of the following criteria (1)Age: 3-11 months (at Visit 0) (2)At least one specific IgE antibody titer to a food allergen that is greater than or equal to 0.35 kUA/L (as measured by ImmunoCAP method) (3)Consent for this study was obtained from a surrogate (parents or legal guardians)

Exclusion criteria

Exclusion criteria: Patients with any of the following will not be included in this study (1)Patients with severe atopic dermatitis (Eczema Area and Severity Index: EASI > 20 points) (2)Children with a history of immediate symptoms of both walnut and cashew (3)Patients with complications of diseases affecting the immune system (autoimmune diseases, immune complex diseases, immunodeficiency diseases, etc.) (4)Patients with a history or complications of heart, liver, kidney, or blood (except iron deficiency anemia) disease (5)Patients who are taking steroids on a regular basis (6)Patients who are judged to be inappropriate by the principal investigator and physician in charge.

Design outcomes

Primary

MeasureTime frame
Percentage of positive sensitization to walnuts or cashews

Countries

Japan

Contacts

Public ContactAkira Kawai

National Hospital Organization Sagamihara National Hospital Department of Pediatrics and Clinical Research Center for Allergy and Rheumatology

akawai-ykh@umin.ac.jp042-742-8311

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026