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New registry aims to crack the code on sudden drug allergies

NCT ID NCT07390370

Knowledge-focused Sponsor: Yonsei University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study will create a registry of 200 adults who have had immediate allergic reactions to drugs, like hives or anaphylaxis within an hour of taking medication. Researchers will analyze blood samples and medical records to better understand the causes of these reactions. The goal is to improve diagnostic tests and develop personalized strategies for prevention and treatment.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

About 200 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Feb 2026

An estimate. Start dates often move.

Expected to finish

Dec 2030

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

Adult patients aged 19 years or older diagnosed with immediate hypersensitivity reactions (such as rash, urticaria, angioedema, anaphylaxis, etc.) within 1 hour after drug administration.

Ages

19 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: 1. Adult patients aged 19 years or older diagnosed with immediate hypersensitivity reactions (such as rash, urticaria, angioedema, anaphylaxis, etc.) within 1 hour after drug administration." 2. Utilization of samples and clinical data from patients with immediate drug hypersensitivity who consented to participate in secondary research, registered in the study 'Establishment of a Registry for Identifying Factors Related to Diagnosis, Treatment, and Prognosis in Allergic Disease Patients' (Project Number 4-2013-0397). Exclusion Criteria: 1. Participants who do not consent to participate in the study." 2. Children and adolescents under the age of 19." 3. Participants who are unable to read or understand the consent form."

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Conditions

The condition(s) this trial relates to.

drug allergy

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Drug hypersensitivity

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  2. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

More trials for these conditions

Other studies related to the condition(s) this trial covers.