Understanding why some patients don't respond to bee venom allergy treatment

Predominant Sensitizations to Single Bee Venom Allergens as a Risk Factor for Therapy Failure

Observational Medical University of Graz · NCT04259359

This study looks at why some people with bee venom allergies don't get better with treatment and tries to find out if certain allergens make the treatment less effective.

Quick facts

Study typeObservational
Enrollment266 (estimated)
Ages18 Years to 70 Years
SexAll
SponsorMedical University of Graz Academic / other
Drugs / interventionsimmunotherapy
Locations3 sites (Graz and 2 other locations)
Trial IDNCT04259359 on ClinicalTrials.gov

What this trial studies

This observational study investigates the effectiveness of venom immunotherapy (VIT) for patients with bee venom allergy, focusing on the role of predominant sensitizations to specific bee venom allergens as potential risk factors for treatment failure. The study aims to analyze patients who have experienced systemic anaphylactic reactions to bee stings and are undergoing VIT. By identifying the relationship between allergen sensitization and treatment outcomes, the research seeks to optimize bee venom preparations for better efficacy in future therapies.

Who should consider this trial

Good fit: Ideal candidates for this study are adults aged 18 to 70 who have a history of severe allergic reactions to bee stings and are starting bee venom immunotherapy.

Not a fit: Patients who have contraindications to venom immunotherapy will not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to improved treatment strategies for patients with bee venom allergies, enhancing the effectiveness of immunotherapy.

How similar studies have performed: While there is existing research on venom immunotherapy, this specific focus on predominant sensitizations as a risk factor for treatment failure is relatively novel.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Legally competent male and female subjects aged from 18 to 70 years with a history of a systemic anaphylactic sting reaction (≥ grade I according to the classification of Ring and Messmer) after bee stings, who will receive bee venom immunotherapy

Exclusion Criteria:

* Contraindications to VIT

Where this trial is running

Graz and 2 other locations

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 Bee Venom Allergy
Last reviewed 2026-06-13 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.