Asthma
Conditions
Brief summary
The aim of the study was to compare the effect of fenoterol metered dose inhaler with disodium cromoglycate (DSCG) metered dose inhaler on the lymphocyte β2-receptor population as well as on the clinical findings in patients with bronchial asthma over a two-week period of treatment.
Interventions
Sponsors
Study design
Eligibility
Inclusion criteria
* sex: male and female * age: 18 years or over * bronchial asthma, diagnosis confirmed by history and positive inhalation challenge test (unspecific challenge with carbachol, PD100SRaw)) * severity of asthma mild to moderate or asthmatic in symptom-free intervals * Raw ≤ 5 cm H2O/l/s * no antiasthmatic treatment in the week (steroid therapy: two weeks) before the start of the study
Exclusion criteria
* clinically significant, concomitant haematological, cardiac, renal, hepatic or metabolic diseases * intercurrent diseases, e.g. severe respiratory infections * patients who cannot do without the following preparations during the 5-week trial: * inhaled/oral steroids * theophylline * antihistamine, antiallergic drugs * inhaled/oral sympathomimetics * anticholinergics
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Airway resistance (Raw) | after 2 weeks |
| Number of binding sites of the β2 receptors per lymphocytes (BS/LY) | after 2 weeks |