Clinical and Epidemiological Study on Rare Allergen-Induced Anaphylaxis and Development of Novel Diagnostic Scheme for Unknown Anaphylaxis

Clinical and Epidemiological Study on Rare Allergen-Induced Anaphylaxis and Development of Novel Diagnostic Scheme for Unknown Anaphylaxis - Uncover Reality of Anaphylaxis induced by Rare Allergens (URARA) study

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000040831

Enrollment

100

Registered

2020-06-20

Start date

2020-06-20

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

Anaphylaxis

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1) Diagnosis of anaphylaxis based on the Japanese Society of Allergology's diagnostic criteria in anaphylaxis guideline. 2) Patients with rare or unknown allergen-induced anaphylaxis

Exclusion criteria

Exclusion criteria: 1) Patients who are diagnosed with anaphylaxis induced by common allergens (e.g. hen's egg, cow's milk, wheat, buckwheat, crustacean, peanuts, nuts, and bee). 2) Anaphylaxis-like diseases such as mastocytosis 3) Multiple chemical sensitivity

Design outcomes

Primary

Measure	Time frame
Basophile activation test (BAT), immunoassay platform (ISAC), detailed clinical information	—

Secondary

Measure	Time frame
1) Kind and prevalence of causal allergens 2) Age, gender, complication of comorbid allergic disease, primary illness, biomarker of allergy 3) Detailed information on induced symptom	—

Countries

Japan

Contacts

Public ContactShinobu Tanimura

National Hospital Organization Mie National Hospital Department of Clinical Research

mieclinicalresearch@gmail.com059-232-2531

Outcome results