Evaluating a new method to identify vespid venom allergy risks

Is the BAT Inhibition Able to Replace Sting Challenges?

Not applicable Interventional Medical University of Graz · NCT04438525

This study is testing a new blood test to see if it can help identify people at risk for severe allergic reactions to wasp and hornet stings without having to actually sting them.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment219 (estimated)
Ages18 Years to 70 Years
SexAll
SponsorMedical University of Graz Academic / other
Drugs / interventionsimmunotherapy
Locations1 site (Graz)
Trial IDNCT04438525 on ClinicalTrials.gov

What this trial studies

This study investigates whether BAT inhibition can serve as an alternative to traditional sting challenges for assessing vespid venom allergy. It aims to identify patients at risk of severe allergic reactions without the need for live insect stings, which are currently limited to a few centers in Europe. Participants will undergo blood donation and may be subjected to sting challenges as part of the evaluation process. The goal is to improve access to testing and enhance patient safety in managing insect venom allergies.

Who should consider this trial

Good fit: Ideal candidates include adults aged 18 to 70 who are currently receiving or have previously received vespid venom immunotherapy.

Not a fit: Patients who are pregnant, have autoimmune diseases, or have uncontrolled cardiovascular or asthma conditions may not benefit from this study.

Why it matters

Potential benefit: If successful, this approach could provide a safer and more accessible method for identifying patients at risk of severe allergic reactions to insect stings.

How similar studies have performed: While traditional sting challenges are well-established, this specific approach using BAT inhibition is novel and has not been extensively tested in prior studies.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Legally competent male and female subjects who are currently treated or who have been treated with vespid venom immunotherapy
* Age ≥18 and ≤70 years
* Written consent of the participant after being informed

Exclusion Criteria:

* Pregnancy
* Autoimmune disease
* Uncontrolled cardiovascular disease
* Uncontrolled asthma

Where this trial is running

Graz

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Vespid Venom Allergy
Last reviewed 2026-06-15 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.