Case-control Study on Epidemiologic Factors Influencing The Occurrence of Immediate Wheat Allergy Among Thai Children

The questionnaire was used investigate the association between wheat allergy, demographic and environmental factors.

Status

Recruiting

Phases

Phase 4

Study type

Observational

Source

TCTR

Registry ID

TCTR20190524002

Enrollment

Registered

2019-05-24

Start date

2018-03-17

Completion date

Unknown

Last updated

2026-08-03

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

Conditions

wheat allergy under 5 year healthy control

Interventions

Patient have history of immediate reaction after wheat product consumption with at least 1 item followed by (1) Positive oral food challenge test (2) Positive skin prick test/sIgE Current age less

Prevention,Prevention

Wheat allergy group,Healthy control group

Eligibility

Sex/Gender

All

Age

No minimum to 5 Years

Inclusion criteria

Inclusion criteria: Patient have history of immediate reaction after wheat product consumption with at least 1 item followed by (1) Positive oral food challenge test (2) Positive skin prick test/sIgE Current age less than 5 years

Exclusion criteria

Exclusion criteria: Patient have allergic reaction occur more than 4 hours or Clinical compatible with wheat-dependence exercise-induced anaphylaxis

Design outcomes

Primary

Measure	Time frame
HWP baby product 1 year incidence HWP baby product	—

Secondary

Measure	Time frame
Epidemiologic Factors Influencing The Occurrence of Immediate Wheat Allergy 1 year differance demographic	—

Countries

Thailand

Contacts

Public ContactPunchama Pacharn

faculty of medicine siriraj hospital mahidol university

punchama@gmail.com090-9839104

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026

Case&#45;control Study on Epidemiologic Factors Influencing The Occurrence of Immediate Wheat Allergy Among Thai Children