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SFB/TR22 - Allergic immune reaction in the lung

SFB/TR22 - Allergic immune reaction in the lung - SFB A22: CLARA study

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
DRKS
Registry ID
DRKS00004635
Enrollment
1000
Registered
2014-04-23
Start date
2010-02-02
Completion date
Unknown
Last updated
2026-03-02

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

Conditions

J45.9 J45.0 J45.8

Interventions

Group 1: Allergic asthmatics (clinical examination, lung funciton, measurement of exhaled nitric oxide, blood withdrawal, throat swab) Group 2: Non-allergic asthmatics (clinical examination, lung fun

Sponsors

Dr. von Haunersches Kinderspital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
4 Years to 17 Years

Inclusion criteria

Inclusion criteria: Inclusion criteria: Age 4-17, recurrent pulmonary infections with airway obstruction / wheeze, more than 3 doctor´s diagnosed obstructive bronchitis. Intake of short-or long- acting beta 2-agonists, inhaled corticosteroides, leukotriene antagonists. Detailed clinical examination including lung-function.

Exclusion criteria

Exclusion criteria: Exclusion criteria for asthmatics: Any other pulmonary diseases (e.g. cystic fibrosis, bronchopulmonary dysplasia), any other chronic diseas, autoimmune diseases, immune deficiency, fever 14 day before inclusion, intake of antibiotics and probiotics 14 day before inclusion, intake of corticosteroides 14 days before inclusion, hypersensitization-therapy. /// Exclusion criteria for healthy controls: Any pulmonary diseases (e.g. cystic fibrosis, bronchopulmonary dysplasia), any allergic diseases, any other chronic diseas, autoimmune diseases, immune deficiency, fever 14 day before inclusion, intake of antibiotics or probiotics 14 day before inclusion.

Design outcomes

Primary

MeasureTime frame
Characterization of T cell marker

Secondary

MeasureTime frame
Characterization of immune regulation in peripheral blood mononuclear cells

Countries

Germany

Contacts

Public ContactBianca Schaub

Dr. von Haunersches Kinderspital

bianca.schaub@med.uni-muenchen.de089/4400 52857

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Mar 14, 2026