A Dose Range Finding Study to Evaluate the Efficacy and Safety of AZD9668 Administered Orally at Three Dose Levels to Patients With Chronic Obstructive Pulmonary Disease (COPD) on Treatment With Tiotropium
A Dose Range Finding Study to Evaluate the Efficacy and Safety of AZD9668 Administered Orally at Three Dose Levels to Patients With Chronic Obstructive Pulmonary Disease (COPD) on Treatment With Tiotropium
The primary objective is to evaluate the dose-response relationship and efficacy of AZD9668
 at 3 dose levels compared with placebo in symptomatic COPD patients by assessing effects on
 lung function and symptoms of COPD.
Inclusion Criteria:

 -  Diagnosis of COPD with symptoms over 1 year

 -  Smokers or ex-smokers

 -  Males or post-menopausal females between 40 and 80 years old

 -  Able to use electronic devices

 Exclusion Criteria:

 -  Past history or current evidence of clinically significant heart disease

 -  Current diagnosis of asthma

 -  Patients who require long term oxygen therapy

 -  Treatment with antibiotics within 4 weeks of study visit 1b