Asthma
Conditions
Brief summary
The primary objective is to compare the effects of Symbicort SiT and treatment according to NHG-guidelines on bronchial hyperresponsiveness in asthmatic patients, as measured by PD20 histamine, and to validate the Bronchial Hyperresponsiveness Questionnaire (BHQ).
Interventions
Sponsors
Study design
Eligibility
Inclusion criteria
* diagnosis of mild to moderate asthma, FEV1 ³ 60% of predicted normal values pre-bronchodilator, daily use of inhaled GCS during the last 3 months
Exclusion criteria
* Regular need of \>4 inhalations of a short-acting b2-agonist/day, known or suspected hypersensitivity to any of the investigational drugs or inhaled lactose, use of any b-blocking agent, having smoked ³10 pack-years
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Change in PD20 histamine | — |
Secondary
| Measure | Time frame |
|---|---|
| number of asthma-control days, time to first mild asthma exacerbation, number of mild asthma exacerbation days, asthma symptom scores (day and night), FEV1, PEF (morning and evening), Number of inhalations with iGCS and mean dose of iGCS | — |
Countries
Netherlands