Pulmonary Disease, Chronic Obstructive
Conditions
Brief summary
This is a crossover Study to investigate the effect of Formoterol versus Salmeterol on small airways physiological parameters in COPD patients.
Detailed description
A Single-centre, Double-blind, Double-dummy, Randomised, Crossover Study to investigate the effect of Formoterol HFA-pMDI versus Salmeterol HFA-pMDI on small airways physiological parameters in COPD patients.
Interventions
Formoterol 12 μg pMDI
Salmeterol 25 µg pMDI
placebo
Sponsors
Study design
Eligibility
Inclusion criteria
* Patients with a clinical diagnosis of COPD * Post bronchodilator FEV1 between 30% and 80% predicted values at screening * Post-bronchodilator FEV1/FVC \< 0.7
Exclusion criteria
* Positive FEV1 reversibility test: FEV1 change greater than 200 mL and 12% * History of another medical condition contraindicating participation in the study * Clinical evidence of heart failure
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Respiratory Impedance by Impulse oscillometry | from 5 minutes to 8 hours post dose |
Secondary
| Measure | Time frame |
|---|---|
| Exhaled Nitric Oxide | from 30 minutes to 8 hours post dose |
| Multiple Breath Nitrogen Washout | from 30 minutes to 8 hours post dose |
| Forced Expiratory Volume in the 1st second | from 30 minutes to 8 hours post dose |
Countries
United Kingdom