PulseHaler Drug Deposition Study in Chronic Obstructive Pulmonary Disease Patients

Inclusion Criteria: * Diagnosis of Chronic Obstructive Pulmonary Disease (COPD), established for at least 1 year * Post-bronchodilator FEV1/FVC \< 0.7 * Post-bronchodilator FEV1 in the range 30% - 70% predicted * Age: 40 years or older * Patient signed the informed consent form Exclusion Criteria: * Pneumothorax in the past, per anamnesis. * Women at the age of fertility, who are pregnant, or plan pregnancy, or do not use contraceptive. * Severe cardiac disease, e.g., Congestive Heart Failure (CHF) grade 3 or higher * Coronary Artery Bypass Graft (CABG) or Acute Myocardial Infarction (MI) within last 3 months * Other severe systemic disease * Non-cooperative or non-compliant patient