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Comparison of nasal and bronchial house dust mite (HDM) provocation in childhood.

Comparison of nasal and bronchial house dust mite (HDM) provocation in childhood.

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
DRKS
Registry ID
DRKS00010531
Enrollment
65
Registered
2016-05-27
Start date
2015-01-05
Completion date
Unknown
Last updated
2025-04-07

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

Conditions

J30.3 J45.0

Interventions

Group 1: Patients with a positive skin prick test after bronchial allergen challenge will be asked to participate in the study. Within 12 weeks, the patient will be reinvited for the second visit. The

Sponsors

Klinikum der Johann Wolfgang Goethe-Universität Frankfurt am Main
Lead Sponsor

Eligibility

Sex/Gender
All
Age
5 Years to 24 Years

Inclusion criteria

Inclusion criteria: Diagnosis of mite allergy (skin prick test = 3mm) Known asthma and / or allergic rhinoconjunctivitis Bronchial allergen challenge performed in the preceding 12 weeks exacerbation free interval> 4 weeks before visit 1 Written informed consent of the parents and the child / adolescent

Exclusion criteria

Exclusion criteria: Age 25 years Exacerbation of asthma within the last 28 days Severe symptoms of allergic rhinitis or relevant deterioration of allergic symptoms Intake of the following drugs before testing: Decongestant nose drops one day, antihistamines three days, nasal steroids 14 days, oral cortisone four weeks, leukotriene antagonists and cromoglycic acid three days before nasal provocation challenge. Adenoids or nasal surgery in the last three months Serious deviation of the nasal septum Other serious diseases (for example, cystic fibrosis, diseases with immunosuppression, malignancies) Pregnancy, lactation Participation in another clinical trial <30 days Inability to understand the scope of the study

Design outcomes

Primary

MeasureTime frame
The Primary endpoint is the concordance of the nasal and bronchial allergen challenge for the grading negative, moderate and severe allergic reaction

Secondary

MeasureTime frame
Correlation of peak nasal inspiratory flow and nasal symptoms to the lokal and serum IgE. Comparison of the IgE repertoire (epitope spectrum) nasal vs. serum IgE.

Countries

Germany

Contacts

Public ContactAnna Buslau

Klinik für Kinder- und Jugendmedizin

anna.buslau@kgu.de069/630183063

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 4, 2026