This is a crossover Study to investigate the effect of Formoterol versus Salmeterol on small airways physiological parameters in COPD patients.
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.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
QUADRUPLE
Enrollment
16
Airway Disease Section, NHLI, Imperial College London
London, United Kingdom
Respiratory Impedance by Impulse oscillometry
Time frame: from 5 minutes to 8 hours post dose
Exhaled Nitric Oxide
Time frame: from 30 minutes to 8 hours post dose
Multiple Breath Nitrogen Washout
Time frame: from 30 minutes to 8 hours post dose
Forced Expiratory Volume in the 1st second
Time frame: from 30 minutes to 8 hours post dose
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